diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0c7a55b148..4cc2ad7dc4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -79,10 +79,10 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup Haskell
-        uses: haskell-actions/setup@v2
+        uses: haskell/actions/setup@v2
         with:
-          ghc-version: "9.6.2"
-          cabal-version: "3.10.1.0"
+          ghc-version: "8.10.7"
+          cabal-version: "latest"
 
       - name: Cache dependencies
         uses: actions/cache@v3
@@ -188,7 +188,7 @@ jobs:
           APPLE_SIMPLEX_NOTARIZATION_APPLE_ID: ${{ secrets.APPLE_SIMPLEX_NOTARIZATION_APPLE_ID }}
           APPLE_SIMPLEX_NOTARIZATION_PASSWORD: ${{ secrets.APPLE_SIMPLEX_NOTARIZATION_PASSWORD }}
         run: |
-          scripts/ci/build-desktop-mac.sh
+          scripts/build-desktop-mac.sh
           path=$(echo $PWD/apps/multiplatform/release/main/dmg/SimpleX-*.dmg)
           echo "package_path=$path" >> $GITHUB_OUTPUT
           echo "package_hash=$(echo SHA2-512\(${{ matrix.desktop_asset_name }}\)= $(openssl sha512 $path | cut -d' ' -f 2))" >> $GITHUB_OUTPUT
@@ -259,15 +259,15 @@ jobs:
       # Unix /
 
       # / Windows
-      # rm -rf dist-newstyle/src/direct-sq* is here because of the bug in cabal's dependency which prevents second build from finishing
+
+      # * In powershell multiline commands do not fail if individual commands fail - https://github.community/t/multiline-commands-on-windows-do-not-fail-if-individual-commands-fail/16753
+      # * And GitHub Actions does not support parameterizing shell in a matrix job - https://github.community/t/using-matrix-to-specify-shell-is-it-possible/17065
 
       - name: Windows build
         id: windows_build
         if: matrix.os == 'windows-latest'
-        shell: bash
+        shell: cmd
         run: |
-          rm -rf dist-newstyle/src/direct-sq*
-          sed -i "s/, unix /--, unix /" simplex-chat.cabal
           cabal build --enable-tests
           rm -rf dist-newstyle/src/direct-sq*
           path=$(cabal list-bin simplex-chat | tail -n 1)
diff --git a/apps/multiplatform/common/src/commonMain/cpp/desktop/CMakeLists.txt b/apps/multiplatform/common/src/commonMain/cpp/desktop/CMakeLists.txt
index cfbc1ed320..849a6c98a7 100644
--- a/apps/multiplatform/common/src/commonMain/cpp/desktop/CMakeLists.txt
+++ b/apps/multiplatform/common/src/commonMain/cpp/desktop/CMakeLists.txt
@@ -67,7 +67,7 @@ if(NOT APPLE)
 else()
 	# Without direct linking it can't find hs_init in linking step
 	add_library( rts SHARED IMPORTED )
-	FILE(GLOB RTSLIB ${CMAKE_SOURCE_DIR}/libs/${OS_LIB_PATH}-${OS_LIB_ARCH}/deps/libHSrts*_thr-*.${OS_LIB_EXT})
+	FILE(GLOB RTSLIB ${CMAKE_SOURCE_DIR}/libs/${OS_LIB_PATH}-${OS_LIB_ARCH}/deps/libHSrts_thr-*.${OS_LIB_EXT})
 	set_target_properties( rts PROPERTIES IMPORTED_LOCATION ${RTSLIB})
 
 	target_link_libraries(app-lib rts simplex)
diff --git a/apps/simplex-bot-advanced/Main.hs b/apps/simplex-bot-advanced/Main.hs
index 04d8e4ffa1..f30438c384 100644
--- a/apps/simplex-bot-advanced/Main.hs
+++ b/apps/simplex-bot-advanced/Main.hs
@@ -8,7 +8,7 @@ module Main where
 
 import Control.Concurrent.Async
 import Control.Concurrent.STM
-import Control.Monad
+import Control.Monad.Reader
 import qualified Data.Text as T
 import Simplex.Chat.Bot
 import Simplex.Chat.Controller
diff --git a/apps/simplex-broadcast-bot/src/Broadcast/Bot.hs b/apps/simplex-broadcast-bot/src/Broadcast/Bot.hs
index 04b6627f38..3a1be2ae08 100644
--- a/apps/simplex-broadcast-bot/src/Broadcast/Bot.hs
+++ b/apps/simplex-broadcast-bot/src/Broadcast/Bot.hs
@@ -9,7 +9,7 @@ module Broadcast.Bot where
 import Control.Concurrent (forkIO)
 import Control.Concurrent.Async
 import Control.Concurrent.STM
-import Control.Monad
+import Control.Monad.Reader
 import qualified Data.Text as T
 import Broadcast.Options
 import Simplex.Chat.Bot
diff --git a/apps/simplex-chat/Server.hs b/apps/simplex-chat/Server.hs
index 6f198340f8..d59adc04e7 100644
--- a/apps/simplex-chat/Server.hs
+++ b/apps/simplex-chat/Server.hs
@@ -8,7 +8,6 @@
 
 module Server where
 
-import Control.Monad
 import Control.Monad.Except
 import Control.Monad.Reader
 import Data.Aeson (FromJSON, ToJSON)
diff --git a/apps/simplex-directory-service/src/Directory/Service.hs b/apps/simplex-directory-service/src/Directory/Service.hs
index 46abc4652d..09ab424cf0 100644
--- a/apps/simplex-directory-service/src/Directory/Service.hs
+++ b/apps/simplex-directory-service/src/Directory/Service.hs
@@ -15,7 +15,7 @@ where
 import Control.Concurrent (forkIO)
 import Control.Concurrent.Async
 import Control.Concurrent.STM
-import Control.Monad
+import Control.Monad.Reader
 import qualified Data.ByteString.Char8 as B
 import Data.List (sortOn)
 import Data.Maybe (fromMaybe, maybeToList)
diff --git a/cabal.project b/cabal.project
index b4024f088c..7c8886d94a 100644
--- a/cabal.project
+++ b/cabal.project
@@ -2,14 +2,14 @@ packages: .
 -- packages: . ../simplexmq
 -- packages: . ../simplexmq ../direct-sqlcipher ../sqlcipher-simple
 
-with-compiler: ghc-9.6.2
+with-compiler: ghc-8.10.7
 
 constraints: zip +disable-bzip2 +disable-zstd
 
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/simplexmq.git
-    tag: 8d47f690838371bc848e4b31a4b09ef6bf67ccc5
+    tag: 53c793d5590d3c781aa3fbf72993eee262c7aa83
 
 source-repository-package
     type: git
@@ -24,17 +24,17 @@ source-repository-package
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/direct-sqlcipher.git
-    tag: f814ee68b16a9447fbb467ccc8f29bdd3546bfd9
+    tag: 34309410eb2069b029b8fc1872deb1e0db123294
 
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/sqlcipher-simple.git
-    tag: a46bd361a19376c5211f1058908fc0ae6bf42446
+    tag: 5e154a2aeccc33ead6c243ec07195ab673137221
 
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/aeson.git
-    tag: 68330dce8208173c6acf5f62b23acb500ab5d873
+    tag: 3eb66f9a68f103b5f1489382aad89f5712a64db7
 
 source-repository-package
     type: git
@@ -43,10 +43,5 @@ source-repository-package
 
 source-repository-package
     type: git
-    location: https://github.com/simplex-chat/android-support.git
-    tag: 9aa09f148089d6752ce563b14c2df1895718d806
-
-source-repository-package
-    type: git
-    location: https://github.com/simplex-chat/network-transport.git
-    tag: 0013798272a683e35ca38d2fdaf480942311fba8
+    location: https://github.com/zw3rk/android-support.git
+    tag: 3c3a5ab0b8b137a072c98d3d0937cbdc96918ddb
diff --git a/package.yaml b/package.yaml
index 406f9aabaa..ba87c449a8 100644
--- a/package.yaml
+++ b/package.yaml
@@ -13,25 +13,25 @@ extra-source-files:
   - cabal.project
 
 dependencies:
-  - aeson == 2.2.*
+  - aeson == 2.0.*
   - ansi-terminal >= 0.10 && < 0.12
   - async == 2.2.*
   - attoparsec == 0.14.*
   - base >= 4.7 && < 5
   - base64-bytestring >= 1.0 && < 1.3
-  - bytestring == 0.11.*
+  - bytestring == 0.10.*
   - composition == 1.0.*
   - constraints >= 0.12 && < 0.14
   - containers == 0.6.*
-  - cryptonite == 0.30.*
+  - cryptonite >= 0.27 && < 0.30
   - directory == 1.3.*
   - direct-sqlcipher == 2.3.*
   - email-validate == 2.3.*
   - exceptions == 0.10.*
   - filepath == 1.4.*
   - http-types == 0.12.*
-  - memory == 0.18.*
-  - mtl == 2.3.*
+  - memory == 0.15.*
+  - mtl == 2.2.*
   - network >= 3.1.2.7 && < 3.2
   - optparse-applicative >= 0.15 && < 0.17
   - process == 1.6.*
@@ -42,13 +42,13 @@ dependencies:
   - socks == 0.6.*
   - sqlcipher-simple == 0.4.*
   - stm == 2.5.*
-  - template-haskell == 2.20.*
+  - template-haskell == 2.16.*
   - terminal == 0.2.*
-  - text == 2.0.*
+  - text == 1.2.*
   - time == 1.9.*
   - unliftio == 0.2.*
   - unliftio-core == 0.2.*
-  - zip == 2.0.*
+  - zip == 1.7.*
 
 flags:
   swift:
@@ -118,7 +118,7 @@ tests:
       - simplex-chat
       - async == 2.2.*
       - deepseq == 1.4.*
-      - hspec == 2.11.*
+      - hspec == 2.7.*
       - network == 3.1.*
       - silently == 1.2.*
       - stm == 2.5.*
diff --git a/scripts/ci/prepare-keychain-mac.sh b/scripts/ci/prepare-keychain-mac.sh
deleted file mode 100644
index 912e6285af..0000000000
--- a/scripts/ci/prepare-keychain-mac.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-
-security create-keychain -p "" simplex.keychain
-security set-keychain-settings -u simplex.keychain
-security add-certificates -k simplex.keychain "Developer ID Application: SimpleX Chat Ltd (5NN7GUYB6T).cer"
-security add-certificates -k simplex.keychain "Developer ID Certification Authority.cer"
-# Private key with access from any app
-security import "SimpleX Chat.p12" -P "" -k simplex.keychain -A
-# Public key
-security import "SimpleX Chat.pem" -k simplex.keychain
diff --git a/scripts/ci/build-desktop-mac.sh b/scripts/desktop/build-desktop-mac-ci.sh
similarity index 63%
rename from scripts/ci/build-desktop-mac.sh
rename to scripts/desktop/build-desktop-mac-ci.sh
index 259b946228..07a3db9c8e 100755
--- a/scripts/ci/build-desktop-mac.sh
+++ b/scripts/desktop/build-desktop-mac-ci.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-trap "rm apps/multiplatform/local.properties 2> /dev/null || true; rm local.properties 2> /dev/null || true; rm /tmp/simplex.keychain" EXIT
+trap "rm apps/multiplatform/local.properties || true; rm local.properties || true; rm /tmp/simplex.keychain || true" EXIT
 echo "desktop.mac.signing.identity=Developer ID Application: SimpleX Chat Ltd (5NN7GUYB6T)" >> apps/multiplatform/local.properties
 echo "desktop.mac.signing.keychain=/tmp/simplex.keychain" >> apps/multiplatform/local.properties
 echo "desktop.mac.notarization.apple_id=$APPLE_SIMPLEX_NOTARIZATION_APPLE_ID" >> apps/multiplatform/local.properties
@@ -10,10 +10,6 @@ echo "desktop.mac.notarization.password=$APPLE_SIMPLEX_NOTARIZATION_PASSWORD" >>
 echo "desktop.mac.notarization.team_id=5NN7GUYB6T" >> apps/multiplatform/local.properties
 echo "$APPLE_SIMPLEX_SIGNING_KEYCHAIN" | base64 --decode - > /tmp/simplex.keychain
 
-security unlock-keychain -p "" /tmp/simplex.keychain
-# Adding keychain to the list of keychains.
-# Otherwise, it can find cert but exits while signing with "error: The specified item could not be found in the keychain."
-security list-keychains -s `security list-keychains | xargs` /tmp/simplex.keychain
 scripts/desktop/build-lib-mac.sh
 cd apps/multiplatform
 ./gradlew packageDmg
diff --git a/scripts/desktop/build-lib-linux.sh b/scripts/desktop/build-lib-linux.sh
index 2d9681fc6f..f69b897736 100755
--- a/scripts/desktop/build-lib-linux.sh
+++ b/scripts/desktop/build-lib-linux.sh
@@ -2,12 +2,12 @@
 
 OS=linux
 ARCH=${1:-`uname -a | rev | cut -d' ' -f2 | rev`}
-GHC_VERSION=9.6.2
+GHC_VERSION=8.10.7
 
 BUILD_DIR=dist-newstyle/build/$ARCH-$OS/ghc-${GHC_VERSION}/simplex-chat-*
 
 rm -rf $BUILD_DIR
-cabal build lib:simplex-chat --ghc-options='-optl-Wl,-rpath,$ORIGIN -flink-rts -threaded'
+cabal build lib:simplex-chat --ghc-options='-optl-Wl,-rpath,$ORIGIN' --ghc-options="-optl-L$(ghc --print-libdir)/rts -optl-Wl,--as-needed,-lHSrts_thr-ghc$GHC_VERSION"
 cd $BUILD_DIR/build
 #patchelf --add-needed libHSrts_thr-ghc${GHC_VERSION}.so libHSsimplex-chat-*-inplace-ghc${GHC_VERSION}.so
 #patchelf --add-rpath '$ORIGIN' libHSsimplex-chat-*-inplace-ghc${GHC_VERSION}.so
diff --git a/scripts/desktop/build-lib-mac.sh b/scripts/desktop/build-lib-mac.sh
index 50bc09df57..b5d738be98 100755
--- a/scripts/desktop/build-lib-mac.sh
+++ b/scripts/desktop/build-lib-mac.sh
@@ -2,12 +2,9 @@
 
 OS=mac
 ARCH="${1:-`uname -a | rev | cut -d' ' -f1 | rev`}"
-GHC_VERSION=9.6.2
-
 if [ "$ARCH" == "arm64" ]; then
     ARCH=aarch64
 fi
-
 LIB_EXT=dylib
 LIB=libHSsimplex-chat-*-inplace-ghc*.$LIB_EXT
 GHC_LIBS_DIR=$(ghc --print-libdir)
@@ -15,26 +12,13 @@ GHC_LIBS_DIR=$(ghc --print-libdir)
 BUILD_DIR=dist-newstyle/build/$ARCH-*/ghc-*/simplex-chat-*
 
 rm -rf $BUILD_DIR
-cabal build lib:simplex-chat lib:simplex-chat --ghc-options="-optl-Wl,-rpath,@loader_path -optl-Wl,-L$GHC_LIBS_DIR/$ARCH-osx-ghc-$GHC_VERSION -optl-lHSrts_thr-ghc$GHC_VERSION -optl-lffi"
+cabal build lib:simplex-chat lib:simplex-chat --ghc-options="-optl-Wl,-rpath,@loader_path -optl-Wl,-L$GHC_LIBS_DIR/rts -optl-lHSrts_thr-ghc8.10.7 -optl-lffi"
 
 cd $BUILD_DIR/build
 mkdir deps 2> /dev/null
 
 # It's not included by default for some reason. Compiled lib tries to find system one but it's not always available
-#cp $GHC_LIBS_DIR/libffi.dylib ./deps
-(
-  BUILD=$PWD
-  cp /tmp/libffi-3.4.4/*-apple-darwin*/.libs/libffi.dylib $BUILD/deps || \
-    ( \
-    cd /tmp && \
-    curl "https://gitlab.haskell.org/ghc/libffi-tarballs/-/raw/libffi-3.4.4/libffi-3.4.4.tar.gz?inline=false" -o libffi.tar.gz && \
-    tar -xzvf libffi.tar.gz && \
-    cd "libffi-3.4.4" && \
-    ./configure && \
-    make && \
-    cp *-apple-darwin*/.libs/libffi.dylib $BUILD/deps \
-    )
-)
+cp $GHC_LIBS_DIR/rts/libffi.dylib ./deps
 
 DYLIBS=`otool -L $LIB | grep @rpath | tail -n +2 | cut -d' ' -f 1 | cut -d'/' -f2`
 RPATHS=`otool -l $LIB | grep "path "| cut -d' ' -f11`
@@ -75,13 +59,11 @@ function copy_deps() {
 }
 
 copy_deps $LIB
-# Special case
-cp $(ghc --print-libdir)/$ARCH-osx-ghc-$GHC_VERSION/libHSghc-boot-th-$GHC_VERSION-ghc$GHC_VERSION.dylib deps
 rm deps/`basename $LIB`
 
 if [ -e deps/libHSdrct-*.$LIB_EXT ]; then
     LIBCRYPTO_PATH=$(otool -l deps/libHSdrct-*.$LIB_EXT | grep libcrypto | cut -d' ' -f11)
-    install_name_tool -change $LIBCRYPTO_PATH @rpath/libcrypto.1.1.$LIB_EXT deps/libHSdrct-*.$LIB_EXT
+    install_name_tool -change $LIBCRYPTO_PATH @rpath/libcrypto.1.1.$LIB_EXT deps/libHSdrct*.$LIB_EXT
     cp $LIBCRYPTO_PATH deps/libcrypto.1.1.$LIB_EXT
     chmod 755 deps/libcrypto.1.1.$LIB_EXT
 fi
diff --git a/scripts/nix/sha256map.nix b/scripts/nix/sha256map.nix
index 26f4ea1122..2ac9c9f1f3 100644
--- a/scripts/nix/sha256map.nix
+++ b/scripts/nix/sha256map.nix
@@ -1,11 +1,10 @@
 {
-  "https://github.com/simplex-chat/simplexmq.git"."8d47f690838371bc848e4b31a4b09ef6bf67ccc5" = "1pwasv22ii3wy4xchaknlwczmy5ws7adx7gg2g58lxzrgdjm3650";
+  "https://github.com/simplex-chat/simplexmq.git"."53c793d5590d3c781aa3fbf72993eee262c7aa83" = "0f0ldlgqwrapgfw5gnaj00xvb14c8nykyjr9fhy79h4r16g614x8";
   "https://github.com/simplex-chat/hs-socks.git"."a30cc7a79a08d8108316094f8f2f82a0c5e1ac51" = "0yasvnr7g91k76mjkamvzab2kvlb1g5pspjyjn2fr6v83swjhj38";
   "https://github.com/kazu-yamamoto/http2.git"."b5a1b7200cf5bc7044af34ba325284271f6dff25" = "0dqb50j57an64nf4qcf5vcz4xkd1vzvghvf8bk529c1k30r9nfzb";
-  "https://github.com/simplex-chat/direct-sqlcipher.git"."f814ee68b16a9447fbb467ccc8f29bdd3546bfd9" = "0kiwhvml42g9anw4d2v0zd1fpc790pj9syg5x3ik4l97fnkbbwpp";
-  "https://github.com/simplex-chat/sqlcipher-simple.git"."a46bd361a19376c5211f1058908fc0ae6bf42446" = "1z0r78d8f0812kxbgsm735qf6xx8lvaz27k1a0b4a2m0sshpd5gl";
-  "https://github.com/simplex-chat/aeson.git"."68330dce8208173c6acf5f62b23acb500ab5d873" = "1l51p1v54c88c1jmxcvbz4gy0cns7l46ihzzfjwxxrvcrrrxgcjp";
+  "https://github.com/simplex-chat/direct-sqlcipher.git"."34309410eb2069b029b8fc1872deb1e0db123294" = "0kwkmhyfsn2lixdlgl15smgr1h5gjk7fky6abzh8rng2h5ymnffd";
+  "https://github.com/simplex-chat/sqlcipher-simple.git"."5e154a2aeccc33ead6c243ec07195ab673137221" = "1d1gc5wax4vqg0801ajsmx1sbwvd9y7p7b8mmskvqsmpbwgbh0m0";
+  "https://github.com/simplex-chat/aeson.git"."3eb66f9a68f103b5f1489382aad89f5712a64db7" = "0kilkx59fl6c3qy3kjczqvm8c3f4n3p0bdk9biyflf51ljnzp4yp";
   "https://github.com/simplex-chat/haskell-terminal.git"."f708b00009b54890172068f168bf98508ffcd495" = "0zmq7lmfsk8m340g47g5963yba7i88n4afa6z93sg9px5jv1mijj";
-  "https://github.com/simplex-chat/android-support.git"."9aa09f148089d6752ce563b14c2df1895718d806" = "0pbf2pf13v2kjzi397nr13f1h3jv0imvsq8rpiyy2qyx5vd50pqn";
-  "https://github.com/simplex-chat/network-transport.git"."0013798272a683e35ca38d2fdaf480942311fba8" = "0dnn62apgvc248df0m8ib7phrzn63wm0xs71xvlypv52j6cgwzkb";
+  "https://github.com/zw3rk/android-support.git"."3c3a5ab0b8b137a072c98d3d0937cbdc96918ddb" = "1r6jyxbim3dsvrmakqfyxbd6ms6miaghpbwyl0sr6dzwpgaprz97";
 }
diff --git a/simplex-chat.cabal b/simplex-chat.cabal
index 338346b655..3b5bce6dd7 100644
--- a/simplex-chat.cabal
+++ b/simplex-chat.cabal
@@ -145,25 +145,25 @@ library
       src
   ghc-options: -Wall -Wcompat -Werror=incomplete-patterns -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns -Wunused-type-patterns
   build-depends:
-      aeson ==2.2.*
+      aeson ==2.0.*
     , ansi-terminal >=0.10 && <0.12
     , async ==2.2.*
     , attoparsec ==0.14.*
     , base >=4.7 && <5
     , base64-bytestring >=1.0 && <1.3
-    , bytestring ==0.11.*
+    , bytestring ==0.10.*
     , composition ==1.0.*
     , constraints >=0.12 && <0.14
     , containers ==0.6.*
-    , cryptonite ==0.30.*
+    , cryptonite >=0.27 && <0.30
     , direct-sqlcipher ==2.3.*
     , directory ==1.3.*
     , email-validate ==2.3.*
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , memory ==0.18.*
-    , mtl ==2.3.*
+    , memory ==0.15.*
+    , mtl ==2.2.*
     , network >=3.1.2.7 && <3.2
     , optparse-applicative >=0.15 && <0.17
     , process ==1.6.*
@@ -174,13 +174,13 @@ library
     , socks ==0.6.*
     , sqlcipher-simple ==0.4.*
     , stm ==2.5.*
-    , template-haskell ==2.20.*
+    , template-haskell ==2.16.*
     , terminal ==0.2.*
-    , text ==2.0.*
+    , text ==1.2.*
     , time ==1.9.*
     , unliftio ==0.2.*
     , unliftio-core ==0.2.*
-    , zip ==2.0.*
+    , zip ==1.7.*
   default-language: Haskell2010
   if flag(swift)
     cpp-options: -DswiftJSON
@@ -193,25 +193,25 @@ executable simplex-bot
       apps/simplex-bot
   ghc-options: -Wall -Wcompat -Werror=incomplete-patterns -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns -Wunused-type-patterns -threaded
   build-depends:
-      aeson ==2.2.*
+      aeson ==2.0.*
     , ansi-terminal >=0.10 && <0.12
     , async ==2.2.*
     , attoparsec ==0.14.*
     , base >=4.7 && <5
     , base64-bytestring >=1.0 && <1.3
-    , bytestring ==0.11.*
+    , bytestring ==0.10.*
     , composition ==1.0.*
     , constraints >=0.12 && <0.14
     , containers ==0.6.*
-    , cryptonite ==0.30.*
+    , cryptonite >=0.27 && <0.30
     , direct-sqlcipher ==2.3.*
     , directory ==1.3.*
     , email-validate ==2.3.*
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , memory ==0.18.*
-    , mtl ==2.3.*
+    , memory ==0.15.*
+    , mtl ==2.2.*
     , network >=3.1.2.7 && <3.2
     , optparse-applicative >=0.15 && <0.17
     , process ==1.6.*
@@ -223,13 +223,13 @@ executable simplex-bot
     , socks ==0.6.*
     , sqlcipher-simple ==0.4.*
     , stm ==2.5.*
-    , template-haskell ==2.20.*
+    , template-haskell ==2.16.*
     , terminal ==0.2.*
-    , text ==2.0.*
+    , text ==1.2.*
     , time ==1.9.*
     , unliftio ==0.2.*
     , unliftio-core ==0.2.*
-    , zip ==2.0.*
+    , zip ==1.7.*
   default-language: Haskell2010
   if flag(swift)
     cpp-options: -DswiftJSON
@@ -242,25 +242,25 @@ executable simplex-bot-advanced
       apps/simplex-bot-advanced
   ghc-options: -Wall -Wcompat -Werror=incomplete-patterns -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns -Wunused-type-patterns -threaded
   build-depends:
-      aeson ==2.2.*
+      aeson ==2.0.*
     , ansi-terminal >=0.10 && <0.12
     , async ==2.2.*
     , attoparsec ==0.14.*
     , base >=4.7 && <5
     , base64-bytestring >=1.0 && <1.3
-    , bytestring ==0.11.*
+    , bytestring ==0.10.*
     , composition ==1.0.*
     , constraints >=0.12 && <0.14
     , containers ==0.6.*
-    , cryptonite ==0.30.*
+    , cryptonite >=0.27 && <0.30
     , direct-sqlcipher ==2.3.*
     , directory ==1.3.*
     , email-validate ==2.3.*
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , memory ==0.18.*
-    , mtl ==2.3.*
+    , memory ==0.15.*
+    , mtl ==2.2.*
     , network >=3.1.2.7 && <3.2
     , optparse-applicative >=0.15 && <0.17
     , process ==1.6.*
@@ -272,13 +272,13 @@ executable simplex-bot-advanced
     , socks ==0.6.*
     , sqlcipher-simple ==0.4.*
     , stm ==2.5.*
-    , template-haskell ==2.20.*
+    , template-haskell ==2.16.*
     , terminal ==0.2.*
-    , text ==2.0.*
+    , text ==1.2.*
     , time ==1.9.*
     , unliftio ==0.2.*
     , unliftio-core ==0.2.*
-    , zip ==2.0.*
+    , zip ==1.7.*
   default-language: Haskell2010
   if flag(swift)
     cpp-options: -DswiftJSON
@@ -293,25 +293,25 @@ executable simplex-broadcast-bot
       apps/simplex-broadcast-bot/src
   ghc-options: -Wall -Wcompat -Werror=incomplete-patterns -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns -Wunused-type-patterns -threaded
   build-depends:
-      aeson ==2.2.*
+      aeson ==2.0.*
     , ansi-terminal >=0.10 && <0.12
     , async ==2.2.*
     , attoparsec ==0.14.*
     , base >=4.7 && <5
     , base64-bytestring >=1.0 && <1.3
-    , bytestring ==0.11.*
+    , bytestring ==0.10.*
     , composition ==1.0.*
     , constraints >=0.12 && <0.14
     , containers ==0.6.*
-    , cryptonite ==0.30.*
+    , cryptonite >=0.27 && <0.30
     , direct-sqlcipher ==2.3.*
     , directory ==1.3.*
     , email-validate ==2.3.*
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , memory ==0.18.*
-    , mtl ==2.3.*
+    , memory ==0.15.*
+    , mtl ==2.2.*
     , network >=3.1.2.7 && <3.2
     , optparse-applicative >=0.15 && <0.17
     , process ==1.6.*
@@ -323,13 +323,13 @@ executable simplex-broadcast-bot
     , socks ==0.6.*
     , sqlcipher-simple ==0.4.*
     , stm ==2.5.*
-    , template-haskell ==2.20.*
+    , template-haskell ==2.16.*
     , terminal ==0.2.*
-    , text ==2.0.*
+    , text ==1.2.*
     , time ==1.9.*
     , unliftio ==0.2.*
     , unliftio-core ==0.2.*
-    , zip ==2.0.*
+    , zip ==1.7.*
   default-language: Haskell2010
   if flag(swift)
     cpp-options: -DswiftJSON
@@ -343,25 +343,25 @@ executable simplex-chat
       apps/simplex-chat
   ghc-options: -Wall -Wcompat -Werror=incomplete-patterns -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns -Wunused-type-patterns -threaded
   build-depends:
-      aeson ==2.2.*
+      aeson ==2.0.*
     , ansi-terminal >=0.10 && <0.12
     , async ==2.2.*
     , attoparsec ==0.14.*
     , base >=4.7 && <5
     , base64-bytestring >=1.0 && <1.3
-    , bytestring ==0.11.*
+    , bytestring ==0.10.*
     , composition ==1.0.*
     , constraints >=0.12 && <0.14
     , containers ==0.6.*
-    , cryptonite ==0.30.*
+    , cryptonite >=0.27 && <0.30
     , direct-sqlcipher ==2.3.*
     , directory ==1.3.*
     , email-validate ==2.3.*
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , memory ==0.18.*
-    , mtl ==2.3.*
+    , memory ==0.15.*
+    , mtl ==2.2.*
     , network ==3.1.*
     , optparse-applicative >=0.15 && <0.17
     , process ==1.6.*
@@ -373,14 +373,14 @@ executable simplex-chat
     , socks ==0.6.*
     , sqlcipher-simple ==0.4.*
     , stm ==2.5.*
-    , template-haskell ==2.20.*
+    , template-haskell ==2.16.*
     , terminal ==0.2.*
-    , text ==2.0.*
+    , text ==1.2.*
     , time ==1.9.*
     , unliftio ==0.2.*
     , unliftio-core ==0.2.*
     , websockets ==0.12.*
-    , zip ==2.0.*
+    , zip ==1.7.*
   default-language: Haskell2010
   if flag(swift)
     cpp-options: -DswiftJSON
@@ -397,25 +397,25 @@ executable simplex-directory-service
       apps/simplex-directory-service/src
   ghc-options: -Wall -Wcompat -Werror=incomplete-patterns -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns -Wunused-type-patterns -threaded
   build-depends:
-      aeson ==2.2.*
+      aeson ==2.0.*
     , ansi-terminal >=0.10 && <0.12
     , async ==2.2.*
     , attoparsec ==0.14.*
     , base >=4.7 && <5
     , base64-bytestring >=1.0 && <1.3
-    , bytestring ==0.11.*
+    , bytestring ==0.10.*
     , composition ==1.0.*
     , constraints >=0.12 && <0.14
     , containers ==0.6.*
-    , cryptonite ==0.30.*
+    , cryptonite >=0.27 && <0.30
     , direct-sqlcipher ==2.3.*
     , directory ==1.3.*
     , email-validate ==2.3.*
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , memory ==0.18.*
-    , mtl ==2.3.*
+    , memory ==0.15.*
+    , mtl ==2.2.*
     , network >=3.1.2.7 && <3.2
     , optparse-applicative >=0.15 && <0.17
     , process ==1.6.*
@@ -427,13 +427,13 @@ executable simplex-directory-service
     , socks ==0.6.*
     , sqlcipher-simple ==0.4.*
     , stm ==2.5.*
-    , template-haskell ==2.20.*
+    , template-haskell ==2.16.*
     , terminal ==0.2.*
-    , text ==2.0.*
+    , text ==1.2.*
     , time ==1.9.*
     , unliftio ==0.2.*
     , unliftio-core ==0.2.*
-    , zip ==2.0.*
+    , zip ==1.7.*
   default-language: Haskell2010
   if flag(swift)
     cpp-options: -DswiftJSON
@@ -470,27 +470,27 @@ test-suite simplex-chat-test
       apps/simplex-directory-service/src
   ghc-options: -Wall -Wcompat -Werror=incomplete-patterns -Wredundant-constraints -Wincomplete-record-updates -Wincomplete-uni-patterns -Wunused-type-patterns -threaded
   build-depends:
-      aeson ==2.2.*
+      aeson ==2.0.*
     , ansi-terminal >=0.10 && <0.12
     , async ==2.2.*
     , attoparsec ==0.14.*
     , base >=4.7 && <5
     , base64-bytestring >=1.0 && <1.3
-    , bytestring ==0.11.*
+    , bytestring ==0.10.*
     , composition ==1.0.*
     , constraints >=0.12 && <0.14
     , containers ==0.6.*
-    , cryptonite ==0.30.*
+    , cryptonite >=0.27 && <0.30
     , deepseq ==1.4.*
     , direct-sqlcipher ==2.3.*
     , directory ==1.3.*
     , email-validate ==2.3.*
     , exceptions ==0.10.*
     , filepath ==1.4.*
-    , hspec ==2.11.*
+    , hspec ==2.7.*
     , http-types ==0.12.*
-    , memory ==0.18.*
-    , mtl ==2.3.*
+    , memory ==0.15.*
+    , mtl ==2.2.*
     , network ==3.1.*
     , optparse-applicative >=0.15 && <0.17
     , process ==1.6.*
@@ -503,13 +503,13 @@ test-suite simplex-chat-test
     , socks ==0.6.*
     , sqlcipher-simple ==0.4.*
     , stm ==2.5.*
-    , template-haskell ==2.20.*
+    , template-haskell ==2.16.*
     , terminal ==0.2.*
-    , text ==2.0.*
+    , text ==1.2.*
     , time ==1.9.*
     , unliftio ==0.2.*
     , unliftio-core ==0.2.*
-    , zip ==2.0.*
+    , zip ==1.7.*
   default-language: Haskell2010
   if flag(swift)
     cpp-options: -DswiftJSON
diff --git a/src/Simplex/Chat.hs b/src/Simplex/Chat.hs
index e74eaa0f5c..b331faf5df 100644
--- a/src/Simplex/Chat.hs
+++ b/src/Simplex/Chat.hs
@@ -5,7 +5,6 @@
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE MultiWayIf #-}
 {-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE ScopedTypeVariables #-}
@@ -13,15 +12,12 @@
 {-# LANGUAGE TupleSections #-}
 {-# LANGUAGE TypeApplications #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module Simplex.Chat where
 
 import Control.Applicative (optional, (<|>))
-import Control.Concurrent.STM (retry)
+import Control.Concurrent.STM (retry, stateTVar)
 import qualified Control.Exception as E
 import Control.Logger.Simple
-import Control.Monad
 import Control.Monad.Except
 import Control.Monad.IO.Unlift
 import Control.Monad.Reader
@@ -217,8 +213,8 @@ newChatController ChatDatabase {chatStore, agentStore} user cfg@ChatConfig {agen
   where
     configServers :: DefaultAgentServers
     configServers =
-      let smp' = fromMaybe (defaultServers.smp) (nonEmpty smpServers)
-          xftp' = fromMaybe (defaultServers.xftp) (nonEmpty xftpServers)
+      let smp' = fromMaybe (smp (defaultServers :: DefaultAgentServers)) (nonEmpty smpServers)
+          xftp' = fromMaybe (xftp (defaultServers :: DefaultAgentServers)) (nonEmpty xftpServers)
        in defaultServers {smp = smp', xftp = xftp', netCfg = networkConfig}
     agentServers :: ChatConfig -> IO InitialAgentServers
     agentServers config@ChatConfig {defaultServers = defServers@DefaultAgentServers {ntf, netCfg}} = do
@@ -245,9 +241,9 @@ activeAgentServers ChatConfig {defaultServers} p =
     . filter (\ServerCfg {enabled} -> enabled)
 
 cfgServers :: UserProtocol p => SProtocolType p -> (DefaultAgentServers -> NonEmpty (ProtoServerWithAuth p))
-cfgServers p s = case p of
-  SPSMP -> s.smp
-  SPXFTP -> s.xftp
+cfgServers = \case
+  SPSMP -> smp
+  SPXFTP -> xftp
 
 startChatController :: forall m. ChatMonad' m => Bool -> Bool -> Bool -> m (Async ())
 startChatController subConns enableExpireCIs startXFTPWorkers = do
@@ -703,9 +699,7 @@ processChatCommand = \case
             MCVoice {} -> False
             MCUnknown {} -> True
           qText = msgContentText qmc
-          getFileName :: CIFile d -> String
-          getFileName CIFile{fileName} = fileName
-          qFileName = maybe qText (T.pack . getFileName) ciFile_
+          qFileName = maybe qText (T.pack . (fileName :: CIFile d -> String)) ciFile_
           qTextOrFile = if T.null qText then qFileName else qText
       xftpSndFileTransfer :: User -> CryptoFile -> Integer -> Int -> ContactOrGroup -> m (FileInvitation, CIFile 'MDSnd, FileTransferMeta)
       xftpSndFileTransfer user file@(CryptoFile filePath cfArgs) fileSize n contactOrGroup = do
@@ -918,7 +912,7 @@ processChatCommand = \case
       pure $ CRContactConnectionDeleted user conn
     CTGroup -> do
       Group gInfo@GroupInfo {membership} members <- withStore $ \db -> getGroup db user chatId
-      let isOwner = membership.memberRole == GROwner
+      let isOwner = memberRole (membership :: GroupMember) == GROwner
           canDelete = isOwner || not (memberCurrent membership)
       unless canDelete $ throwChatError $ CEGroupUserRole gInfo GROwner
       filesInfo <- withStore' $ \db -> getGroupFileInfo db user gInfo
@@ -1095,9 +1089,7 @@ processChatCommand = \case
   APIGetNtfMessage nonce encNtfInfo -> withUser $ \_ -> do
     (NotificationInfo {ntfConnId, ntfMsgMeta}, msgs) <- withAgent $ \a -> getNotificationMessage a nonce encNtfInfo
     let ntfMessages = map (\SMP.SMPMsgMeta {msgTs, msgFlags} -> NtfMsgInfo {msgTs = systemToUTCTime msgTs, msgFlags}) msgs
-        getMsgTs :: SMP.NMsgMeta -> SystemTime
-        getMsgTs SMP.NMsgMeta{msgTs} = msgTs
-        msgTs' = systemToUTCTime . getMsgTs <$> ntfMsgMeta
+        msgTs' = systemToUTCTime . (SMP.msgTs :: SMP.NMsgMeta -> SystemTime) <$> ntfMsgMeta
         agentConnId = AgentConnId ntfConnId
     user_ <- withStore' (`getUserByAConnId` agentConnId)
     connEntity <-
@@ -1504,7 +1496,7 @@ processChatCommand = \case
         Contact {activeConn = Connection {peerChatVRange}} = ct
     withChatLock "joinGroup" . procCmd $ do
       subMode <- chatReadVar subscriptionMode
-      dm <- directMessage $ XGrpAcpt membership.memberId
+      dm <- directMessage $ XGrpAcpt (memberId (membership :: GroupMember))
       agentConnId <- withAgent $ \a -> joinConnection a (aUserId user) True connRequest dm subMode
       withStore' $ \db -> do
         createMemberConnection db userId fromMember agentConnId (fromJVersionRange peerChatVRange) subMode
@@ -1658,7 +1650,7 @@ processChatCommand = \case
     case memberConn m of
       Just mConn -> do
         let msg = XGrpDirectInv cReq msgContent_
-        (sndMsg, _) <- sendDirectMessage mConn msg (GroupId $ g.groupId)
+        (sndMsg, _) <- sendDirectMessage mConn msg (GroupId $ groupId (g :: GroupInfo))
         withStore' $ \db -> setContactGrpInvSent db ct True
         let ct' = ct {contactGrpInvSent = True}
         forM_ msgContent_ $ \mc -> do
@@ -2022,7 +2014,7 @@ processChatCommand = \case
       pure $ CRGroupUpdated user g g' Nothing
     assertUserGroupRole :: GroupInfo -> GroupMemberRole -> m ()
     assertUserGroupRole g@GroupInfo {membership} requiredRole = do
-      when (membership.memberRole < requiredRole) $ throwChatError $ CEGroupUserRole g requiredRole
+      when (memberRole (membership :: GroupMember) < requiredRole) $ throwChatError $ CEGroupUserRole g requiredRole
       when (memberStatus membership == GSMemInvited) $ throwChatError (CEGroupNotJoined g)
       when (memberRemoved membership) $ throwChatError CEGroupMemberUserRemoved
       unless (memberActive membership) $ throwChatError CEGroupMemberNotActive
@@ -2040,7 +2032,7 @@ processChatCommand = \case
       runUpdateGroupProfile user g $ update p
     isReady :: Contact -> Bool
     isReady ct =
-      let s = connStatus $ ct.activeConn
+      let s = connStatus $ activeConn (ct :: Contact)
        in s == ConnReady || s == ConnSndReady
     withCurrentCall :: ContactId -> (User -> Contact -> Call -> m (Maybe Call)) -> m ChatResponse
     withCurrentCall ctId action = do
@@ -3222,7 +3214,7 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
                 | sameMemberId memId m -> do
                   -- TODO update member profile
                   -- [async agent commands] no continuation needed, but command should be asynchronous for stability
-                  allowAgentConnectionAsync user conn' confId $ XGrpMemInfo membership.memberId (fromLocalProfile $ memberProfile membership)
+                  allowAgentConnectionAsync user conn' confId $ XGrpMemInfo (memberId (membership :: GroupMember)) (fromLocalProfile $ memberProfile membership)
                 | otherwise -> messageError "x.grp.mem.info: memberId is different from expected"
               _ -> messageError "CONF from member must have x.grp.mem.info"
       INFO connInfo -> do
@@ -3261,7 +3253,7 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
             toView $ CRJoinedGroupMember user gInfo m {memberStatus = GSMemConnected}
             whenGroupNtfs user gInfo $ do
               setActive $ ActiveG gName
-              showToast ("#" <> gName) $ "member " <> m.localDisplayName <> " is connected"
+              showToast ("#" <> gName) $ "member " <> localDisplayName (m :: GroupMember) <> " is connected"
             intros <- withStore' $ \db -> createIntroductions db members m
             void . sendGroupMessage user gInfo members . XGrpMemNew $ memberInfo m
             forM_ intros $ \intro ->
@@ -3321,9 +3313,8 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
               && hasDeliveryReceipt (toCMEventTag event)
               && currentMemCount <= smallGroupsRcptsMemLimit
         where
-          canSend :: GroupMember -> m () -> m ()
           canSend mem a
-            | mem.memberRole <= GRObserver = messageError "member is not allowed to send messages"
+            | memberRole (mem :: GroupMember) <= GRObserver = messageError "member is not allowed to send messages"
             | otherwise = a
       RCVD msgMeta msgRcpt ->
         withAckMessage' agentConnId conn msgMeta $
@@ -4520,7 +4511,7 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
       withStore' $ \db -> saveMemberInvitation db toMember introInv
       subMode <- chatReadVar subscriptionMode
       -- [incognito] send membership incognito profile, create direct connection as incognito
-      dm <- directMessage $ XGrpMemInfo membership.memberId (fromLocalProfile $ memberProfile membership)
+      dm <- directMessage $ XGrpMemInfo (memberId (membership :: GroupMember)) (fromLocalProfile $ memberProfile membership)
       -- [async agent commands] no continuation needed, but commands should be asynchronous for stability
       groupConnIds <- joinAgentConnectionAsync user enableNtfs groupConnReq dm subMode
       directConnIds <- forM directConnReq $ \dcr -> joinAgentConnectionAsync user enableNtfs dcr dm subMode
@@ -4530,7 +4521,7 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
 
     xGrpMemRole :: GroupInfo -> GroupMember -> MemberId -> GroupMemberRole -> RcvMessage -> MsgMeta -> m ()
     xGrpMemRole gInfo@GroupInfo {membership} m@GroupMember {memberRole = senderRole} memId memRole msg msgMeta
-      | membership.memberId == memId =
+      | memberId (membership :: GroupMember) == memId =
         let gInfo' = gInfo {membership = membership {memberRole = memRole}}
          in changeMemberRole gInfo' membership $ RGEUserRole memRole
       | otherwise = do
@@ -4554,7 +4545,7 @@ processAgentMessageConn user@User {userId} corrId agentConnId agentMessage = do
     xGrpMemDel :: GroupInfo -> GroupMember -> MemberId -> RcvMessage -> MsgMeta -> m ()
     xGrpMemDel gInfo@GroupInfo {membership} m@GroupMember {memberRole = senderRole} memId msg msgMeta = do
       members <- withStore' $ \db -> getGroupMembers db user gInfo
-      if membership.memberId == memId
+      if memberId (membership :: GroupMember) == memId
         then checkRole membership $ do
           deleteGroupLinkIfExists user gInfo
           -- member records are not deleted to keep history
@@ -4796,7 +4787,7 @@ parseFileChunk :: ChatMonad m => ByteString -> m FileChunk
 parseFileChunk = liftEither . first (ChatError . CEFileRcvChunk) . smpDecode
 
 appendFileChunk :: forall m. ChatMonad m => RcvFileTransfer -> Integer -> ByteString -> Bool -> m ()
-appendFileChunk ft@RcvFileTransfer {fileId, fileStatus, cryptoArgs} chunkNo chunk final =
+appendFileChunk ft@RcvFileTransfer {fileId, fileInvitation, fileStatus, cryptoArgs} chunkNo chunk final =
   case fileStatus of
     RFSConnected RcvFileInfo {filePath} -> append_ filePath
     -- sometimes update of file transfer status to FSConnected
@@ -4814,7 +4805,7 @@ appendFileChunk ft@RcvFileTransfer {fileId, fileStatus, cryptoArgs} chunkNo chun
       when final $ do
         closeFileHandle fileId rcvFiles
         forM_ cryptoArgs $ \cfArgs -> do
-          tmpFile <- getChatTempDirectory >>= (`uniqueCombine` ft.fileInvitation.fileName)
+          tmpFile <- getChatTempDirectory >>= (`uniqueCombine` fileName (fileInvitation :: FileInvitation))
           tryChatError (liftError encryptErr $ encryptFile fsFilePath tmpFile cfArgs) >>= \case
             Right () -> do
               removeFile fsFilePath `catchChatError` \_ -> pure ()
@@ -5153,7 +5144,7 @@ createSndFeatureItems :: forall m. ChatMonad m => User -> Contact -> Contact ->
 createSndFeatureItems user ct ct' =
   createFeatureItems user ct ct' CDDirectSnd CISndChatFeature CISndChatPreference getPref
   where
-    getPref u = (userPreference u).preference
+    getPref = (preference :: ContactUserPref (FeaturePreference f) -> FeaturePreference f) . userPreference
 
 type FeatureContent a d = ChatFeature -> a -> Maybe Int -> CIContent d
 
@@ -5238,7 +5229,7 @@ getCreateActiveUser st testView = do
             Right user -> pure user
     selectUser :: [User] -> IO User
     selectUser [user] = do
-      withTransaction st (`setActiveUser` user.userId)
+      withTransaction st (`setActiveUser` userId (user :: User))
       pure user
     selectUser users = do
       putStrLn "Select user profile:"
@@ -5253,7 +5244,7 @@ getCreateActiveUser st testView = do
               | n <= 0 || n > length users -> putStrLn "invalid user number" >> loop
               | otherwise -> do
                 let user = users !! (n - 1)
-                withTransaction st (`setActiveUser` user.userId)
+                withTransaction st (`setActiveUser` userId (user :: User))
                 pure user
     userStr :: User -> String
     userStr User {localDisplayName, profile = LocalProfile {fullName}} =
diff --git a/src/Simplex/Chat/Archive.hs b/src/Simplex/Chat/Archive.hs
index f8fa0d152a..2444785501 100644
--- a/src/Simplex/Chat/Archive.hs
+++ b/src/Simplex/Chat/Archive.hs
@@ -13,7 +13,6 @@ module Simplex.Chat.Archive
 where
 
 import qualified Codec.Archive.Zip as Z
-import Control.Monad
 import Control.Monad.Except
 import Control.Monad.Reader
 import Data.Functor (($>))
diff --git a/src/Simplex/Chat/Bot.hs b/src/Simplex/Chat/Bot.hs
index ecd1659bca..df9c66ceee 100644
--- a/src/Simplex/Chat/Bot.hs
+++ b/src/Simplex/Chat/Bot.hs
@@ -8,7 +8,7 @@ module Simplex.Chat.Bot where
 
 import Control.Concurrent.Async
 import Control.Concurrent.STM
-import Control.Monad
+import Control.Monad.Reader
 import qualified Data.ByteString.Char8 as B
 import qualified Data.Text as T
 import Simplex.Chat.Controller
diff --git a/src/Simplex/Chat/Messages.hs b/src/Simplex/Chat/Messages.hs
index 79463d2107..45e5f9ff74 100644
--- a/src/Simplex/Chat/Messages.hs
+++ b/src/Simplex/Chat/Messages.hs
@@ -6,14 +6,11 @@
 {-# LANGUAGE KindSignatures #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE StandaloneDeriving #-}
 {-# LANGUAGE TypeApplications #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module Simplex.Chat.Messages where
 
 import Control.Applicative ((<|>))
@@ -376,7 +373,7 @@ contactTimedTTL Contact {mergedPreferences = ContactUserPreferences {timedMessag
   | forUser enabled && forContact enabled = Just ttl
   | otherwise = Nothing
   where
-    TimedMessagesPreference {ttl} =  userPreference.preference
+    TimedMessagesPreference {ttl} = preference (userPreference :: ContactUserPref TimedMessagesPreference)
 
 groupTimedTTL :: GroupInfo -> Maybe (Maybe Int)
 groupTimedTTL GroupInfo {fullGroupPreferences = FullGroupPreferences {timedMessages = TimedMessagesGroupPreference {enable, ttl}}}
diff --git a/src/Simplex/Chat/Mobile/File.hs b/src/Simplex/Chat/Mobile/File.hs
index 73978549ff..f385e14f4d 100644
--- a/src/Simplex/Chat/Mobile/File.hs
+++ b/src/Simplex/Chat/Mobile/File.hs
@@ -16,9 +16,7 @@ module Simplex.Chat.Mobile.File
   )
 where
 
-import Control.Monad
 import Control.Monad.Except
-import Control.Monad.IO.Class
 import Data.Aeson (ToJSON)
 import qualified Data.Aeson as J
 import Data.ByteString (ByteString)
diff --git a/src/Simplex/Chat/Mobile/Shared.hs b/src/Simplex/Chat/Mobile/Shared.hs
index d0c5b0b86e..d1f60ffce5 100644
--- a/src/Simplex/Chat/Mobile/Shared.hs
+++ b/src/Simplex/Chat/Mobile/Shared.hs
@@ -16,12 +16,12 @@ type JSONByteString = LB.ByteString
 getByteString :: Ptr Word8 -> CInt -> IO ByteString
 getByteString ptr len = do
   fp <- newForeignPtr_ ptr
-  pure $ BS fp $ fromIntegral len
+  pure $ PS fp 0 $ fromIntegral len
 {-# INLINE getByteString #-}
 
 putByteString :: Ptr Word8 -> ByteString -> IO ()
-putByteString ptr (BS fp len) =
-  withForeignPtr fp $ \p -> memcpy ptr p len
+putByteString ptr (PS fp offset len) =
+  withForeignPtr fp $ \p -> memcpy ptr (p `plusPtr` offset) len
 {-# INLINE putByteString #-}
 
 putLazyByteString :: Ptr Word8 -> LB.ByteString -> IO ()
diff --git a/src/Simplex/Chat/Mobile/WebRTC.hs b/src/Simplex/Chat/Mobile/WebRTC.hs
index 7840a069fa..19ba2b751b 100644
--- a/src/Simplex/Chat/Mobile/WebRTC.hs
+++ b/src/Simplex/Chat/Mobile/WebRTC.hs
@@ -8,9 +8,7 @@ module Simplex.Chat.Mobile.WebRTC (
   reservedSize,
 ) where
 
-import Control.Monad
 import Control.Monad.Except
-import Control.Monad.IO.Class
 import qualified Crypto.Cipher.Types as AES
 import Data.Bifunctor (bimap)
 import qualified Data.ByteArray as BA
diff --git a/src/Simplex/Chat/Protocol.hs b/src/Simplex/Chat/Protocol.hs
index 6e725e6c26..660f52cdff 100644
--- a/src/Simplex/Chat/Protocol.hs
+++ b/src/Simplex/Chat/Protocol.hs
@@ -13,8 +13,6 @@
 {-# LANGUAGE StrictData #-}
 {-# LANGUAGE TypeApplications #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module Simplex.Chat.Protocol where
 
 import Control.Applicative ((<|>))
diff --git a/src/Simplex/Chat/Store/Connections.hs b/src/Simplex/Chat/Store/Connections.hs
index 7da0d1ca85..842c57838e 100644
--- a/src/Simplex/Chat/Store/Connections.hs
+++ b/src/Simplex/Chat/Store/Connections.hs
@@ -5,8 +5,6 @@
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE TypeOperators #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module Simplex.Chat.Store.Connections
   ( getConnectionEntity,
     getConnectionsToSubscribe,
@@ -15,7 +13,6 @@ module Simplex.Chat.Store.Connections
 where
 
 import Control.Applicative ((<|>))
-import Control.Monad
 import Control.Monad.Except
 import Data.Int (Int64)
 import Data.Maybe (catMaybes, fromMaybe)
diff --git a/src/Simplex/Chat/Store/Direct.hs b/src/Simplex/Chat/Store/Direct.hs
index 7e8cee0e74..9c45129385 100644
--- a/src/Simplex/Chat/Store/Direct.hs
+++ b/src/Simplex/Chat/Store/Direct.hs
@@ -1,5 +1,4 @@
 {-# LANGUAGE DuplicateRecordFields #-}
-{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE NamedFieldPuns #-}
@@ -8,8 +7,6 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TupleSections #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module Simplex.Chat.Store.Direct
   ( updateContact_,
     updateContactProfile_,
@@ -64,9 +61,7 @@ module Simplex.Chat.Store.Direct
   )
 where
 
-import Control.Monad
 import Control.Monad.Except
-import Control.Monad.IO.Class
 import Data.Either (rights)
 import Data.Functor (($>))
 import Data.Int (Int64)
@@ -461,7 +456,7 @@ createOrUpdateContactRequest db user@User {userId} userContactLinkId invId (Vers
         ExceptT $
           maybeM getContactRequestByXContactId xContactId_ >>= \case
             Nothing -> createContactRequest
-            Just cr -> updateContactRequest cr $> Right cr.contactRequestId
+            Just cr -> updateContactRequest cr $> Right (contactRequestId (cr :: UserContactRequest))
       getContactRequest db user cReqId
     createContactRequest :: IO (Either StoreError Int64)
     createContactRequest = do
diff --git a/src/Simplex/Chat/Store/Files.hs b/src/Simplex/Chat/Store/Files.hs
index a710696dad..b45da44a49 100644
--- a/src/Simplex/Chat/Store/Files.hs
+++ b/src/Simplex/Chat/Store/Files.hs
@@ -76,9 +76,7 @@ module Simplex.Chat.Store.Files
 where
 
 import Control.Applicative ((<|>))
-import Control.Monad
 import Control.Monad.Except
-import Control.Monad.IO.Class
 import Data.Either (rights)
 import Data.Int (Int64)
 import Data.Maybe (fromMaybe, isJust, listToMaybe)
@@ -486,7 +484,7 @@ createRcvFileTransfer :: DB.Connection -> UserId -> Contact -> FileInvitation ->
 createRcvFileTransfer db userId Contact {contactId, localDisplayName = c} f@FileInvitation {fileName, fileSize, fileConnReq, fileInline, fileDescr} rcvFileInline chunkSize = do
   currentTs <- liftIO getCurrentTime
   rfd_ <- mapM (createRcvFD_ db userId currentTs) fileDescr
-  let rfdId = (\RcvFileDescr {fileDescrId} -> fileDescrId) <$> rfd_
+  let rfdId = (fileDescrId :: RcvFileDescr -> Int64) <$> rfd_
       -- cryptoArgs = Nothing here, the decision to encrypt is made when receiving it
       xftpRcvFile = (\rfd -> XFTPRcvFile {rcvFileDescription = rfd, agentRcvFileId = Nothing, agentRcvFileDeleted = False}) <$> rfd_
       fileProtocol = if isJust rfd_ then FPXFTP else FPSMP
@@ -507,7 +505,7 @@ createRcvGroupFileTransfer :: DB.Connection -> UserId -> GroupMember -> FileInvi
 createRcvGroupFileTransfer db userId GroupMember {groupId, groupMemberId, localDisplayName = c} f@FileInvitation {fileName, fileSize, fileConnReq, fileInline, fileDescr} rcvFileInline chunkSize = do
   currentTs <- liftIO getCurrentTime
   rfd_ <- mapM (createRcvFD_ db userId currentTs) fileDescr
-  let rfdId = (\RcvFileDescr {fileDescrId} -> fileDescrId) <$> rfd_
+  let rfdId = (fileDescrId :: RcvFileDescr -> Int64) <$> rfd_
       -- cryptoArgs = Nothing here, the decision to encrypt is made when receiving it
       xftpRcvFile = (\rfd -> XFTPRcvFile {rcvFileDescription = rfd, agentRcvFileId = Nothing, agentRcvFileDeleted = False}) <$> rfd_
       fileProtocol = if isJust rfd_ then FPXFTP else FPSMP
diff --git a/src/Simplex/Chat/Store/Groups.hs b/src/Simplex/Chat/Store/Groups.hs
index d6aa3a5b92..f4ae569e19 100644
--- a/src/Simplex/Chat/Store/Groups.hs
+++ b/src/Simplex/Chat/Store/Groups.hs
@@ -8,9 +8,6 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TupleSections #-}
 {-# LANGUAGE TypeOperators #-}
-{-# LANGUAGE OverloadedRecordDot #-}
-
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 module Simplex.Chat.Store.Groups
   ( -- * Util methods
@@ -98,9 +95,7 @@ module Simplex.Chat.Store.Groups
   )
 where
 
-import Control.Monad
 import Control.Monad.Except
-import Control.Monad.IO.Class
 import Crypto.Random (ChaChaDRG)
 import Data.Either (rights)
 import Data.Int (Int64)
@@ -890,7 +885,7 @@ saveIntroInvitation db reMember toMember introInv = do
         WHERE group_member_intro_id = :intro_id
       |]
       [ ":intro_status" := GMIntroInvReceived,
-        ":group_queue_info" := introInv.groupConnReq,
+        ":group_queue_info" := groupConnReq (introInv :: IntroInvitation),
         ":direct_queue_info" := directConnReq introInv,
         ":updated_at" := currentTs,
         ":intro_id" := introId intro
@@ -938,7 +933,7 @@ getIntroduction_ db reMember toMember = ExceptT $ do
 createIntroReMember :: DB.Connection -> User -> GroupInfo -> GroupMember -> MemberInfo -> (CommandId, ConnId) -> Maybe (CommandId, ConnId) -> Maybe ProfileId -> SubscriptionMode -> ExceptT StoreError IO GroupMember
 createIntroReMember db user@User {userId} gInfo@GroupInfo {groupId} _host@GroupMember {memberContactId, activeConn} memInfo@(MemberInfo _ _ memberChatVRange memberProfile) (groupCmdId, groupAgentConnId) directConnIds customUserProfileId subMode = do
   let mcvr = maybe chatInitialVRange fromChatVRange memberChatVRange
-      cLevel = 1 + maybe 0 (\Connection {connLevel} -> connLevel) activeConn
+      cLevel = 1 + maybe 0 (connLevel :: Connection -> Int) activeConn
   currentTs <- liftIO getCurrentTime
   newMember <- case directConnIds of
     Just (directCmdId, directAgentConnId) -> do
@@ -957,7 +952,7 @@ createIntroReMember db user@User {userId} gInfo@GroupInfo {groupId} _host@GroupM
 
 createIntroToMemberContact :: DB.Connection -> User -> GroupMember -> GroupMember -> VersionRange -> (CommandId, ConnId) -> Maybe (CommandId, ConnId) -> Maybe ProfileId -> SubscriptionMode -> IO ()
 createIntroToMemberContact db user@User {userId} GroupMember {memberContactId = viaContactId, activeConn} _to@GroupMember {groupMemberId, localDisplayName} mcvr (groupCmdId, groupAgentConnId) directConnIds customUserProfileId subMode = do
-  let cLevel = 1 + maybe 0 (\Connection {connLevel} -> connLevel) activeConn
+  let cLevel = 1 + maybe 0 (connLevel :: Connection -> Int) activeConn
   currentTs <- getCurrentTime
   Connection {connId = groupConnId} <- createMemberConnection_ db userId groupMemberId groupAgentConnId mcvr viaContactId cLevel currentTs subMode
   setCommandConnId db user groupCmdId groupConnId
diff --git a/src/Simplex/Chat/Store/Messages.hs b/src/Simplex/Chat/Store/Messages.hs
index c08e6b11d3..5f64b9e390 100644
--- a/src/Simplex/Chat/Store/Messages.hs
+++ b/src/Simplex/Chat/Store/Messages.hs
@@ -10,8 +10,6 @@
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeOperators #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module Simplex.Chat.Store.Messages
   ( getContactConnIds_,
     getDirectChatReactions_,
@@ -98,9 +96,7 @@ module Simplex.Chat.Store.Messages
   )
 where
 
-import Control.Monad
 import Control.Monad.Except
-import Control.Monad.IO.Class
 import Crypto.Random (ChaChaDRG)
 import Data.Bifunctor (first)
 import Data.ByteString.Char8 (ByteString)
diff --git a/src/Simplex/Chat/Store/Profiles.hs b/src/Simplex/Chat/Store/Profiles.hs
index e521cb43cf..7f3c9841c0 100644
--- a/src/Simplex/Chat/Store/Profiles.hs
+++ b/src/Simplex/Chat/Store/Profiles.hs
@@ -7,8 +7,6 @@
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeOperators #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module Simplex.Chat.Store.Profiles
   ( AutoAccept (..),
     UserMsgReceiptSettings (..),
@@ -56,9 +54,7 @@ module Simplex.Chat.Store.Profiles
   )
 where
 
-import Control.Monad
 import Control.Monad.Except
-import Control.Monad.IO.Class
 import Data.Aeson (ToJSON)
 import qualified Data.Aeson as J
 import Data.Functor (($>))
@@ -294,7 +290,7 @@ getUserContactProfiles db User {userId} =
       |]
       (Only userId)
   where
-    toContactProfile :: (ContactName, Text, Maybe ImageData, Maybe ConnReqContact, Maybe Preferences) -> Profile
+    toContactProfile :: (ContactName, Text, Maybe ImageData, Maybe ConnReqContact, Maybe Preferences) -> (Profile)
     toContactProfile (displayName, fullName, image, contactLink, preferences) = Profile {displayName, fullName, image, contactLink, preferences}
 
 createUserContactLink :: DB.Connection -> User -> ConnId -> ConnReqContact -> SubscriptionMode -> ExceptT StoreError IO ()
diff --git a/src/Simplex/Chat/Store/Shared.hs b/src/Simplex/Chat/Store/Shared.hs
index e979c90067..0e146bb992 100644
--- a/src/Simplex/Chat/Store/Shared.hs
+++ b/src/Simplex/Chat/Store/Shared.hs
@@ -10,11 +10,10 @@
 
 module Simplex.Chat.Store.Shared where
 
+import Control.Concurrent.STM (stateTVar)
 import Control.Exception (Exception)
 import qualified Control.Exception as E
-import Control.Monad
 import Control.Monad.Except
-import Control.Monad.IO.Class
 import Crypto.Random (ChaChaDRG, randomBytesGenerate)
 import Data.Aeson (ToJSON)
 import qualified Data.Aeson as J
diff --git a/src/Simplex/Chat/Terminal.hs b/src/Simplex/Chat/Terminal.hs
index 0ef3d3bace..6a148e8778 100644
--- a/src/Simplex/Chat/Terminal.hs
+++ b/src/Simplex/Chat/Terminal.hs
@@ -5,7 +5,7 @@
 module Simplex.Chat.Terminal where
 
 import Control.Exception (handle, throwIO)
-import Control.Monad
+import Control.Monad.Except
 import qualified Data.List.NonEmpty as L
 import Database.SQLite.Simple (SQLError (..))
 import qualified Database.SQLite.Simple as DB
diff --git a/src/Simplex/Chat/Terminal/Input.hs b/src/Simplex/Chat/Terminal/Input.hs
index 8841f15ffd..36cec49d7c 100644
--- a/src/Simplex/Chat/Terminal/Input.hs
+++ b/src/Simplex/Chat/Terminal/Input.hs
@@ -12,7 +12,6 @@ module Simplex.Chat.Terminal.Input where
 
 import Control.Applicative (optional, (<|>))
 import Control.Concurrent (forkFinally, forkIO, killThread, mkWeakThreadId, threadDelay)
-import Control.Monad
 import Control.Monad.Except
 import Control.Monad.Reader
 import qualified Data.Attoparsec.ByteString.Char8 as A
diff --git a/src/Simplex/Chat/Terminal/Output.hs b/src/Simplex/Chat/Terminal/Output.hs
index db6f16f3ca..ce68d715fe 100644
--- a/src/Simplex/Chat/Terminal/Output.hs
+++ b/src/Simplex/Chat/Terminal/Output.hs
@@ -9,7 +9,6 @@
 module Simplex.Chat.Terminal.Output where
 
 import Control.Concurrent (ThreadId)
-import Control.Monad
 import Control.Monad.Catch (MonadMask)
 import Control.Monad.Except
 import Control.Monad.Reader
diff --git a/src/Simplex/Chat/Types.hs b/src/Simplex/Chat/Types.hs
index 93964316cc..dea948e842 100644
--- a/src/Simplex/Chat/Types.hs
+++ b/src/Simplex/Chat/Types.hs
@@ -16,8 +16,6 @@
 {-# LANGUAGE StrictData #-}
 {-# LANGUAGE TypeFamilyDependencies #-}
 {-# LANGUAGE UndecidableInstances #-}
-{-# LANGUAGE OverloadedRecordDot #-}
-
 {-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
 
 {-# HLINT ignore "Use newtype instead of data" #-}
@@ -58,21 +56,21 @@ class IsContact a where
   preferences' :: a -> Maybe Preferences
 
 instance IsContact User where
-  contactId' u = u.userContactId
+  contactId' = userContactId
   {-# INLINE contactId' #-}
-  profile' u = u.profile
+  profile' = profile
   {-# INLINE profile' #-}
-  localDisplayName' u = u.localDisplayName
+  localDisplayName' = localDisplayName
   {-# INLINE localDisplayName' #-}
   preferences' User {profile = LocalProfile {preferences}} = preferences
   {-# INLINE preferences' #-}
 
 instance IsContact Contact where
-  contactId' c = c.contactId
+  contactId' = contactId
   {-# INLINE contactId' #-}
-  profile' c = c.profile
+  profile' = profile
   {-# INLINE profile' #-}
-  localDisplayName' c = c.localDisplayName
+  localDisplayName' = localDisplayName
   {-# INLINE localDisplayName' #-}
   preferences' Contact {profile = LocalProfile {preferences}} = preferences
   {-# INLINE preferences' #-}
@@ -185,7 +183,7 @@ instance ToJSON Contact where
   toEncoding = J.genericToEncoding J.defaultOptions {J.omitNothingFields = True}
 
 contactConn :: Contact -> Connection
-contactConn Contact{activeConn} = activeConn
+contactConn = activeConn
 
 contactConnId :: Contact -> ConnId
 contactConnId = aConnId . contactConn
@@ -468,7 +466,7 @@ instance ToJSON LocalProfile where
   toEncoding = J.genericToEncoding J.defaultOptions {J.omitNothingFields = True}
 
 localProfileId :: LocalProfile -> ProfileId
-localProfileId LocalProfile{profileId} = profileId
+localProfileId = profileId
 
 toLocalProfile :: ProfileId -> Profile -> LocalAlias -> LocalProfile
 toLocalProfile profileId Profile {displayName, fullName, image, contactLink, preferences} localAlias =
@@ -629,7 +627,7 @@ groupMemberRef GroupMember {groupMemberId, memberProfile = p} =
   GroupMemberRef {groupMemberId, profile = fromLocalProfile p}
 
 memberConn :: GroupMember -> Maybe Connection
-memberConn GroupMember{activeConn} = activeConn
+memberConn = activeConn
 
 memberConnId :: GroupMember -> Maybe ConnId
 memberConnId GroupMember {activeConn} = aConnId <$> activeConn
diff --git a/src/Simplex/Chat/Types/Preferences.hs b/src/Simplex/Chat/Types/Preferences.hs
index c53e4476f4..a89e383242 100644
--- a/src/Simplex/Chat/Types/Preferences.hs
+++ b/src/Simplex/Chat/Types/Preferences.hs
@@ -8,15 +8,12 @@
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE StandaloneDeriving #-}
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilyDependencies #-}
-
 {-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
 
 {-# HLINT ignore "Use newtype instead of data" #-}
 
@@ -88,12 +85,12 @@ allChatFeatures =
   ]
 
 chatPrefSel :: SChatFeature f -> Preferences -> Maybe (FeaturePreference f)
-chatPrefSel f ps = case f of
-  SCFTimedMessages -> ps.timedMessages
-  SCFFullDelete -> ps.fullDelete
-  SCFReactions -> ps.reactions
-  SCFVoice -> ps.voice
-  SCFCalls -> ps.calls
+chatPrefSel = \case
+  SCFTimedMessages -> timedMessages
+  SCFFullDelete -> fullDelete
+  SCFReactions -> reactions
+  SCFVoice -> voice
+  SCFCalls -> calls
 
 chatFeature :: SChatFeature f -> ChatFeature
 chatFeature = \case
@@ -113,12 +110,12 @@ instance PreferenceI (Maybe Preferences) where
   getPreference f prefs = fromMaybe (getPreference f defaultChatPrefs) (chatPrefSel f =<< prefs)
 
 instance PreferenceI FullPreferences where
-  getPreference f ps = case f of
-    SCFTimedMessages -> ps.timedMessages
-    SCFFullDelete -> ps.fullDelete
-    SCFReactions -> ps.reactions
-    SCFVoice -> ps.voice
-    SCFCalls -> ps.calls
+  getPreference = \case
+    SCFTimedMessages -> timedMessages
+    SCFFullDelete -> fullDelete
+    SCFReactions -> reactions
+    SCFVoice -> voice
+    SCFCalls -> calls
   {-# INLINE getPreference #-}
 
 setPreference :: forall f. FeatureI f => SChatFeature f -> Maybe FeatureAllowed -> Maybe Preferences -> Preferences
@@ -218,13 +215,13 @@ allGroupFeatures =
   ]
 
 groupPrefSel :: SGroupFeature f -> GroupPreferences -> Maybe (GroupFeaturePreference f)
-groupPrefSel f ps = case f of
-  SGFTimedMessages -> ps.timedMessages
-  SGFDirectMessages -> ps.directMessages
-  SGFFullDelete -> ps.fullDelete
-  SGFReactions -> ps.reactions
-  SGFVoice -> ps.voice
-  SGFFiles -> ps.files
+groupPrefSel = \case
+  SGFTimedMessages -> timedMessages
+  SGFDirectMessages -> directMessages
+  SGFFullDelete -> fullDelete
+  SGFReactions -> reactions
+  SGFVoice -> voice
+  SGFFiles -> files
 
 toGroupFeature :: SGroupFeature f -> GroupFeature
 toGroupFeature = \case
@@ -245,13 +242,13 @@ instance GroupPreferenceI (Maybe GroupPreferences) where
   getGroupPreference pt prefs = fromMaybe (getGroupPreference pt defaultGroupPrefs) (groupPrefSel pt =<< prefs)
 
 instance GroupPreferenceI FullGroupPreferences where
-  getGroupPreference f ps = case f of
-    SGFTimedMessages -> ps.timedMessages
-    SGFDirectMessages -> ps.directMessages
-    SGFFullDelete -> ps.fullDelete
-    SGFReactions -> ps.reactions
-    SGFVoice -> ps.voice
-    SGFFiles -> ps.files
+  getGroupPreference = \case
+    SGFTimedMessages -> timedMessages
+    SGFDirectMessages -> directMessages
+    SGFFullDelete -> fullDelete
+    SGFReactions -> reactions
+    SGFVoice -> voice
+    SGFFiles -> files
   {-# INLINE getGroupPreference #-}
 
 -- collection of optional group preferences
@@ -431,19 +428,19 @@ class (Eq (FeaturePreference f), HasField "allow" (FeaturePreference f) FeatureA
   prefParam :: FeaturePreference f -> Maybe Int
 
 instance HasField "allow" TimedMessagesPreference FeatureAllowed where
-  hasField p = (\allow -> p {allow}, p.allow)
+  hasField p = (\allow -> p {allow}, allow (p :: TimedMessagesPreference))
 
 instance HasField "allow" FullDeletePreference FeatureAllowed where
-  hasField p = (\allow -> p {allow}, p.allow)
+  hasField p = (\allow -> p {allow}, allow (p :: FullDeletePreference))
 
 instance HasField "allow" ReactionsPreference FeatureAllowed where
-  hasField p = (\allow -> p {allow}, p.allow)
+  hasField p = (\allow -> p {allow}, allow (p :: ReactionsPreference))
 
 instance HasField "allow" VoicePreference FeatureAllowed where
-  hasField p = (\allow -> p {allow}, p.allow)
+  hasField p = (\allow -> p {allow}, allow (p :: VoicePreference))
 
 instance HasField "allow" CallsPreference FeatureAllowed where
-  hasField p = (\allow -> p {allow}, p.allow)
+  hasField p = (\allow -> p {allow}, allow (p :: CallsPreference))
 
 instance FeatureI 'CFTimedMessages where
   type FeaturePreference 'CFTimedMessages = TimedMessagesPreference
@@ -520,25 +517,25 @@ class (Eq (GroupFeaturePreference f), HasField "enable" (GroupFeaturePreference
   groupPrefParam :: GroupFeaturePreference f -> Maybe Int
 
 instance HasField "enable" GroupPreference GroupFeatureEnabled where
-  hasField p = (\enable -> p {enable}, p.enable)
+  hasField p = (\enable -> p {enable}, enable (p :: GroupPreference))
 
 instance HasField "enable" TimedMessagesGroupPreference GroupFeatureEnabled where
-  hasField p = (\enable -> p {enable}, p.enable)
+  hasField p = (\enable -> p {enable}, enable (p :: TimedMessagesGroupPreference))
 
 instance HasField "enable" DirectMessagesGroupPreference GroupFeatureEnabled where
-  hasField p = (\enable -> p {enable}, p.enable)
+  hasField p = (\enable -> p {enable}, enable (p :: DirectMessagesGroupPreference))
 
 instance HasField "enable" ReactionsGroupPreference GroupFeatureEnabled where
-  hasField p = (\enable -> p {enable}, p.enable)
+  hasField p = (\enable -> p {enable}, enable (p :: ReactionsGroupPreference))
 
 instance HasField "enable" FullDeleteGroupPreference GroupFeatureEnabled where
-  hasField p = (\enable -> p {enable}, p.enable)
+  hasField p = (\enable -> p {enable}, enable (p :: FullDeleteGroupPreference))
 
 instance HasField "enable" VoiceGroupPreference GroupFeatureEnabled where
-  hasField p = (\enable -> p {enable}, p.enable)
+  hasField p = (\enable -> p {enable}, enable (p :: VoiceGroupPreference))
 
 instance HasField "enable" FilesGroupPreference GroupFeatureEnabled where
-  hasField p = (\enable -> p {enable}, p.enable)
+  hasField p = (\enable -> p {enable}, enable (p :: FilesGroupPreference))
 
 instance GroupFeatureI 'GFTimedMessages where
   type GroupFeaturePreference 'GFTimedMessages = TimedMessagesGroupPreference
@@ -773,9 +770,9 @@ preferenceState pref =
    in (allow, param)
 
 getContactUserPreference :: SChatFeature f -> ContactUserPreferences -> ContactUserPreference (FeaturePreference f)
-getContactUserPreference f ps = case f of
-  SCFTimedMessages -> ps.timedMessages
-  SCFFullDelete -> ps.fullDelete
-  SCFReactions -> ps.reactions
-  SCFVoice -> ps.voice
-  SCFCalls -> ps.calls
+getContactUserPreference = \case
+  SCFTimedMessages -> timedMessages
+  SCFFullDelete -> fullDelete
+  SCFReactions -> reactions
+  SCFVoice -> voice
+  SCFCalls -> calls
diff --git a/src/Simplex/Chat/View.hs b/src/Simplex/Chat/View.hs
index 5db0c317e8..e985156290 100644
--- a/src/Simplex/Chat/View.hs
+++ b/src/Simplex/Chat/View.hs
@@ -7,7 +7,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TypeApplications #-}
-{-# LANGUAGE OverloadedRecordDot #-}
 
 module Simplex.Chat.View where
 
@@ -192,7 +191,7 @@ responseToView user_ ChatConfig {logLevel, showReactions, showReceipts, testView
   CRContactConnecting u _ -> ttyUser u []
   CRContactConnected u ct userCustomProfile -> ttyUser u $ viewContactConnected ct userCustomProfile testView
   CRContactAnotherClient u c -> ttyUser u [ttyContact' c <> ": contact is connected to another client"]
-  CRSubscriptionEnd u acEntity -> ttyUser u [sShow ((entityConnection acEntity).connId) <> ": END"]
+  CRSubscriptionEnd u acEntity -> ttyUser u [sShow (connId (entityConnection acEntity :: Connection)) <> ": END"]
   CRContactsDisconnected srv cs -> [plain $ "server disconnected " <> showSMPServer srv <> " (" <> contactList cs <> ")"]
   CRContactsSubscribed srv cs -> [plain $ "server connected " <> showSMPServer srv <> " (" <> contactList cs <> ")"]
   CRContactSubError u c e -> ttyUser u [ttyContact' c <> ": contact error " <> sShow e]
@@ -687,9 +686,7 @@ viewChatCleared (AChatInfo _ chatInfo) = case chatInfo of
 
 viewContactsList :: [Contact] -> [StyledString]
 viewContactsList =
-  let getLDN :: Contact -> ContactName
-      getLDN Contact{localDisplayName} = localDisplayName
-      ldn = T.toLower . getLDN
+  let ldn = T.toLower . (localDisplayName :: Contact -> ContactName)
    in map (\ct -> ctIncognito ct <> ttyFullContact ct <> muted' ct <> alias ct) . sortOn ldn
   where
     muted' Contact {chatSettings, localDisplayName = ldn}
@@ -827,8 +824,7 @@ viewGroupMembers (Group GroupInfo {membership} members) = map groupMember . filt
   where
     removedOrLeft m = let s = memberStatus m in s == GSMemRemoved || s == GSMemLeft
     groupMember m = memIncognito m <> ttyFullMember m <> ": " <> role m <> ", " <> category m <> status m
-    role :: GroupMember -> StyledString
-    role m = plain . strEncode $ m.memberRole
+    role m = plain . strEncode $ memberRole (m :: GroupMember)
     category m = case memberCategory m of
       GCUserMember -> "you, "
       GCInviteeMember -> "invited, "
@@ -860,10 +856,9 @@ viewContactConnected ct@Contact {localDisplayName} userIncognitoProfile testView
 
 viewGroupsList :: [(GroupInfo, GroupSummary)] -> [StyledString]
 viewGroupsList [] = ["you have no groups!", "to create: " <> highlight' "/g <name>"]
-viewGroupsList gs = map groupSS $ sortOn (ldn_ . fst) gs
+viewGroupsList gs = map groupSS $ sortOn ldn_ gs
   where
-    ldn_ :: GroupInfo -> Text
-    ldn_ g = T.toLower g.localDisplayName
+    ldn_ = T.toLower . (localDisplayName :: GroupInfo -> GroupName) . fst
     groupSS (g@GroupInfo {localDisplayName = ldn, groupProfile = GroupProfile {fullName}, membership, chatSettings}, GroupSummary {currentMembers}) =
       case memberStatus membership of
         GSMemInvited -> groupInvitation' g
@@ -1411,8 +1406,7 @@ viewFileTransferStatus (FTSnd FileTransferMeta {cancelled} fts@(ft : _), chunksN
       case concatMap recipientsTransferStatus $ groupBy ((==) `on` fs) $ sortOn fs fts of
         [recipientsStatus] -> ["sending " <> sndFile ft <> " " <> recipientsStatus]
         recipientsStatuses -> ("sending " <> sndFile ft <> ": ") : map ("  " <>) recipientsStatuses
-    fs :: SndFileTransfer -> FileStatus
-    fs SndFileTransfer{fileStatus} = fileStatus
+    fs = fileStatus :: SndFileTransfer -> FileStatus
     recipientsTransferStatus [] = []
     recipientsTransferStatus ts@(SndFileTransfer {fileStatus, fileSize, chunkSize} : _) = [sndStatus <> ": " <> listRecipients ts]
       where
@@ -1675,8 +1669,7 @@ viewChatError logLevel = \case
         Just entity@(UserContactConnection conn UserContact {userContactLinkId}) ->
           "[" <> connEntityLabel entity <> ", userContactLinkId: " <> sShow userContactLinkId <> ", connId: " <> cId conn <> "] "
         Nothing -> ""
-      cId :: Connection -> StyledString
-      cId conn = sShow conn.connId
+      cId conn = sShow (connId (conn :: Connection))
   where
     fileNotFound fileId = ["file " <> sShow fileId <> " not found"]
     sqliteError' = \case
diff --git a/stack.yaml b/stack.yaml
index 0840970e49..868e19faf5 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -49,24 +49,20 @@ extra-deps:
   # - simplexmq-1.0.0@sha256:34b2004728ae396e3ae449cd090ba7410781e2b3cefc59259915f4ca5daa9ea8,8561
   # - ../simplexmq
   - github: simplex-chat/simplexmq
-    commit: 8d47f690838371bc848e4b31a4b09ef6bf67ccc5
+    commit: 53c793d5590d3c781aa3fbf72993eee262c7aa83
   - github: kazu-yamamoto/http2
     commit: b5a1b7200cf5bc7044af34ba325284271f6dff25
   # - ../direct-sqlcipher
   - github: simplex-chat/direct-sqlcipher
-    commit: f814ee68b16a9447fbb467ccc8f29bdd3546bfd9
+    commit: 34309410eb2069b029b8fc1872deb1e0db123294
   # - ../sqlcipher-simple
   - github: simplex-chat/sqlcipher-simple
-    commit: a46bd361a19376c5211f1058908fc0ae6bf42446
+    commit: 5e154a2aeccc33ead6c243ec07195ab673137221
   # - terminal-0.2.0.0@sha256:de6770ecaae3197c66ac1f0db5a80cf5a5b1d3b64a66a05b50f442de5ad39570,2977
   - github: simplex-chat/aeson
-    commit: 68330dce8208173c6acf5f62b23acb500ab5d873
+    commit: 3eb66f9a68f103b5f1489382aad89f5712a64db7
   - github: simplex-chat/haskell-terminal
     commit: f708b00009b54890172068f168bf98508ffcd495
-  - github: simplex-chat/android-support
-    commit: 9aa09f148089d6752ce563b14c2df1895718d806
-  - github: simplex-chat/network-transport
-    commit: 0013798272a683e35ca38d2fdaf480942311fba8
 #
 # extra-deps: []
 
diff --git a/tests/Bots/BroadcastTests.hs b/tests/Bots/BroadcastTests.hs
index ae2d67c7f0..69ec10a7ab 100644
--- a/tests/Bots/BroadcastTests.hs
+++ b/tests/Bots/BroadcastTests.hs
@@ -1,6 +1,5 @@
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE OverloadedStrings #-}
 
 module Bots.BroadcastTests where
@@ -34,7 +33,7 @@ broadcastBotProfile = Profile {displayName = "broadcast_bot", fullName = "Broadc
 mkBotOpts :: FilePath -> [KnownContact] -> BroadcastBotOpts
 mkBotOpts tmp publishers =
   BroadcastBotOpts
-    { coreOptions = testOpts.coreOptions {dbFilePrefix = tmp </> botDbPrefix},
+    { coreOptions = (coreOptions (testOpts :: ChatOpts)) {dbFilePrefix = tmp </> botDbPrefix},
       publishers,
       welcomeMessage = defaultWelcomeMessage publishers,
       prohibitedMessage = defaultWelcomeMessage publishers
diff --git a/tests/Bots/DirectoryTests.hs b/tests/Bots/DirectoryTests.hs
index 0e315190c5..f34ab042e8 100644
--- a/tests/Bots/DirectoryTests.hs
+++ b/tests/Bots/DirectoryTests.hs
@@ -1,6 +1,5 @@
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE OverloadedRecordDot #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE PostfixOperators #-}
 
@@ -61,7 +60,7 @@ directoryProfile = Profile {displayName = "SimpleX-Directory", fullName = "", im
 mkDirectoryOpts :: FilePath -> [KnownContact] -> DirectoryOpts
 mkDirectoryOpts tmp superUsers =
   DirectoryOpts
-    { coreOptions = testOpts.coreOptions {dbFilePrefix = tmp </> serviceDbPrefix},
+    { coreOptions = (coreOptions (testOpts :: ChatOpts)) {dbFilePrefix = tmp </> serviceDbPrefix},
       superUsers,
       directoryLog = Just $ tmp </> "directory_service.log",
       serviceName = "SimpleX-Directory",
diff --git a/tests/ChatClient.hs b/tests/ChatClient.hs
index 7da5263253..de6353d2e0 100644
--- a/tests/ChatClient.hs
+++ b/tests/ChatClient.hs
@@ -6,15 +6,12 @@
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE TypeApplications #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module ChatClient where
 
 import Control.Concurrent (forkIOWithUnmask, killThread, threadDelay)
 import Control.Concurrent.Async
 import Control.Concurrent.STM
 import Control.Exception (bracket, bracket_)
-import Control.Monad
 import Control.Monad.Except
 import Data.Functor (($>))
 import Data.List (dropWhileEnd, find)
diff --git a/tests/ChatTests/Files.hs b/tests/ChatTests/Files.hs
index f84d4dcb40..949e745d2a 100644
--- a/tests/ChatTests/Files.hs
+++ b/tests/ChatTests/Files.hs
@@ -2,8 +2,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE PostfixOperators #-}
 
-{-# OPTIONS_GHC -fno-warn-ambiguous-fields #-}
-
 module ChatTests.Files where
 
 import ChatClient