diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b78a3ef04043..8b27282451dd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -173,13 +173,6 @@ x86_64-w64-mingw32:
   variables:
     HOST: x86_64-w64-mingw32
 
-i686-pc-linux-gnu:
-  extends:
-    - .build-depends-template
-    - .skip-in-fast-mode-template
-  variables:
-    HOST: i686-pc-linux-gnu
-
 x86_64-pc-linux-gnu-debug:
   extends: .build-depends-template
   variables:
@@ -219,24 +212,6 @@ win64-build:
   variables:
     BUILD_TARGET: win64
 
-linux32-build:
-  extends:
-    - .build-template
-    - .skip-in-fast-mode-template
-  needs:
-    - i686-pc-linux-gnu
-  variables:
-    BUILD_TARGET: linux32
-
-linux32_ubsan-build:
-  extends:
-    - .build-template
-    - .skip-in-fast-mode-template
-  needs:
-    - i686-pc-linux-gnu
-  variables:
-    BUILD_TARGET: linux32_ubsan
-
 linux64-build:
   extends: .build-template
   needs:
@@ -280,6 +255,15 @@ linux64_tsan-build:
   variables:
     BUILD_TARGET: linux64_tsan
 
+linux64_ubsan-build:
+  extends:
+    - .build-template
+    - .skip-in-fast-mode-template
+  needs:
+    - x86_64-pc-linux-gnu-debug
+  variables:
+    BUILD_TARGET: linux64_ubsan
+
 linux64_nowallet-build:
   extends:
     - .build-template
@@ -300,24 +284,6 @@ mac-build:
 
 ###
 
-linux32-test:
-  extends:
-    - .test-template
-    - .skip-in-fast-mode-template
-  needs:
-    - linux32-build
-  variables:
-    BUILD_TARGET: linux32
-
-linux32_ubsan-test:
-  extends:
-    - .test-template
-    - .skip-in-fast-mode-template
-  needs:
-    - linux32_ubsan-build
-  variables:
-    BUILD_TARGET: linux32_ubsan
-
 linux64-test:
   extends: .test-template
   needs:
@@ -342,3 +308,12 @@ linux64_tsan-test:
     - linux64_tsan-build
   variables:
     BUILD_TARGET: linux64_tsan
+
+linux64_ubsan-test:
+  extends:
+    - .test-template
+    - .skip-in-fast-mode-template
+  needs:
+    - linux64_ubsan-build
+  variables:
+    BUILD_TARGET: linux64_ubsan
diff --git a/.travis.yml b/.travis.yml
index 26bb19160315..309b9cdbb051 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -97,9 +97,6 @@ jobs:
     - <<: *builddepends
       name: depends-win64
       env: BUILD_TARGET=win64
-    - <<: *builddepends
-      name: depends-linux32
-      env: BUILD_TARGET=linux32
     - <<: *builddepends
       name: depends-linux64
       env: BUILD_TARGET=linux64
@@ -121,9 +118,6 @@ jobs:
     - <<: *buildsrc
       name: src-win64
       env: BUILD_TARGET=win64
-    - <<: *buildsrc
-      name: src-linux32
-      env: BUILD_TARGET=linux32
     - <<: *buildsrc
       name: src-linux64
       env: BUILD_TARGET=linux64
@@ -142,9 +136,6 @@ jobs:
     - <<: *runtests
       name: tests-win64
       env: BUILD_TARGET=win64
-    - <<: *runtests
-      name: tests-linux32
-      env: BUILD_TARGET=linux32
     - <<: *runtests
       name: tests-linux64
       env: BUILD_TARGET=linux64
@@ -233,11 +224,6 @@ after_success:
       env: >-
         FILE_ENV="./ci/test/00_setup_env_win64.sh"
 
-    - stage: test
-      name: '32-bit + dash  [GOAL: install]  [CentOS 7]  [GUI]'
-      env: >-
-        FILE_ENV="./ci/test/00_setup_env_i686_centos.sh"
-
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [focal]  [uses qt5 dev package instead of depends Qt to speed up build and avoid timeout] [unsigned char]'
       env: >-
diff --git a/ci/dash/build_src.sh b/ci/dash/build_src.sh
index 9ee0860eefb4..d4dd37c55c5a 100755
--- a/ci/dash/build_src.sh
+++ b/ci/dash/build_src.sh
@@ -55,4 +55,7 @@ cd dashcore-$BUILD_TARGET
 ./configure --cache-file=../config.cache $BITCOIN_CONFIG_ALL $BITCOIN_CONFIG || ( cat config.log && false)
 
 make $MAKEJOBS $GOAL || ( echo "Build failure. Verbose build follows." && make $GOAL V=1 ; false )
-make $MAKEJOBS -C src check-symbols
+
+if [ "$RUN_SYMBOL_TESTS" = "true" ]; then
+  make $MAKEJOBS -C src check-symbols
+fi
diff --git a/ci/dash/matrix.sh b/ci/dash/matrix.sh
index 61b2559fe365..3f8f35bc4b27 100755
--- a/ci/dash/matrix.sh
+++ b/ci/dash/matrix.sh
@@ -18,14 +18,12 @@ if [ "$BUILD_TARGET" = "arm-linux" ]; then
   source ./ci/test/00_setup_env_arm.sh
 elif [ "$BUILD_TARGET" = "win64" ]; then
   source ./ci/test/00_setup_env_win64.sh
-elif [ "$BUILD_TARGET" = "linux32" ]; then
-  source ./ci/test/00_setup_env_i686_centos.sh
-elif [ "$BUILD_TARGET" = "linux32_ubsan" ]; then
-  source ./ci/test/00_setup_env_i686_ubsan.sh
 elif [ "$BUILD_TARGET" = "linux64" ]; then
   source ./ci/test/00_setup_env_native_qt5.sh
 elif [ "$BUILD_TARGET" = "linux64_tsan" ]; then
   source ./ci/test/00_setup_env_native_tsan.sh
+elif [ "$BUILD_TARGET" = "linux64_ubsan" ]; then
+  source ./ci/test/00_setup_env_native_ubsan.sh
 elif [ "$BUILD_TARGET" = "linux64_fuzz" ]; then
   source ./ci/test/00_setup_env_native_fuzz.sh
 elif [ "$BUILD_TARGET" = "linux64_cxx20" ]; then
diff --git a/ci/test/00_setup_env.sh b/ci/test/00_setup_env.sh
index 21fa373fcb06..e7b3dc43c745 100755
--- a/ci/test/00_setup_env.sh
+++ b/ci/test/00_setup_env.sh
@@ -39,6 +39,7 @@ export USE_BUSY_BOX=${USE_BUSY_BOX:-false}
 export RUN_UNIT_TESTS=${RUN_UNIT_TESTS:-true}
 export RUN_INTEGRATION_TESTS=${RUN_INTEGRATION_TESTS:-true}
 export RUN_FUZZ_TESTS=${RUN_FUZZ_TESTS:-false}
+export RUN_SYMBOL_TESTS=${RUN_SYMBOL_TESTS:-true}
 export CONTAINER_NAME=${CONTAINER_NAME:-ci_unnamed}
 export DOCKER_NAME_TAG=${DOCKER_NAME_TAG:-ubuntu:focal}
 # Randomize test order.
diff --git a/ci/test/00_setup_env_arm.sh b/ci/test/00_setup_env_arm.sh
index 743fbb955813..10d9be695f5e 100755
--- a/ci/test/00_setup_env_arm.sh
+++ b/ci/test/00_setup_env_arm.sh
@@ -26,4 +26,4 @@ export RUN_INTEGRATION_TESTS=false
 export GOAL="install"
 # -Wno-psabi is to disable ABI warnings: "note: parameter passing for argument of type ... changed in GCC 7.1"
 # This could be removed once the ABI change warning does not show up by default
-export BITCOIN_CONFIG="--enable-reduce-exports --enable-suppress-external-warnings --enable-werror CXXFLAGS=-Wno-psabi"
+export BITCOIN_CONFIG="--enable-glibc-back-compat --enable-reduce-exports --enable-suppress-external-warnings --enable-werror CXXFLAGS=-Wno-psabi"
diff --git a/ci/test/00_setup_env_i686_centos.sh b/ci/test/00_setup_env_i686_centos.sh
deleted file mode 100644
index 210e15968b49..000000000000
--- a/ci/test/00_setup_env_i686_centos.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env bash
-#
-# Copyright (c) 2020 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
-# file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-export LC_ALL=C.UTF-8
-
-export HOST=i686-pc-linux-gnu
-export CONTAINER_NAME=ci_i686_centos_7
-export DOCKER_NAME_TAG=centos:7
-export DOCKER_PACKAGES="gcc-c++ glibc-devel.x86_64 libstdc++-devel.x86_64 glibc-devel.i686 libstdc++-devel.i686 ccache libtool make git python3 python36-zmq which patch lbzip2 dash"
-export GOAL="install"
-export BITCOIN_CONFIG="--enable-zmq --enable-reduce-exports --enable-crash-hooks --with-sanitizers=undefined"
-export CONFIG_SHELL="/bin/dash"
-export PYZMQ=true
diff --git a/ci/test/00_setup_env_i686_ubsan.sh b/ci/test/00_setup_env_i686_ubsan.sh
deleted file mode 100755
index 2c23666d21a0..000000000000
--- a/ci/test/00_setup_env_i686_ubsan.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-#
-# Copyright (c) 2019 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
-# file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-export LC_ALL=C.UTF-8
-
-export HOST=i686-pc-linux-gnu
-export PACKAGES="g++-multilib python3-zmq"
-export GOAL="install"
-export BITCOIN_CONFIG="--enable-zmq --disable-bip70 --enable-reduce-exports --enable-crash-hooks --with-sanitizers=undefined"
-export CONFIG_SHELL="/bin/dash"
-export PYZMQ=true
diff --git a/ci/test/00_setup_env_native_cxx20.sh b/ci/test/00_setup_env_native_cxx20.sh
index 6de18f16ee7b..3a970f89eddc 100755
--- a/ci/test/00_setup_env_native_cxx20.sh
+++ b/ci/test/00_setup_env_native_cxx20.sh
@@ -13,5 +13,5 @@ export CPPFLAGS="-DDEBUG_LOCKORDER -DENABLE_DASH_DEBUG -DARENA_DEBUG"
 export PYZMQ=true
 export RUN_INTEGRATION_TESTS=false
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-zmq --enable-reduce-exports --enable-crash-hooks --enable-c++20 --enable-suppress-external-warnings --enable-werror"
+export BITCOIN_CONFIG="--enable-glibc-back-compat --enable-zmq --enable-reduce-exports --enable-crash-hooks --enable-c++20 --enable-suppress-external-warnings --enable-werror"
 
diff --git a/ci/test/00_setup_env_native_fuzz.sh b/ci/test/00_setup_env_native_fuzz.sh
index d552a9b91271..7aad5ca06b53 100755
--- a/ci/test/00_setup_env_native_fuzz.sh
+++ b/ci/test/00_setup_env_native_fuzz.sh
@@ -16,4 +16,4 @@ export RUN_UNIT_TESTS=false
 export RUN_INTEGRATION_TESTS=false
 export RUN_FUZZ_TESTS=true
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-zmq --disable-ccache --enable-fuzz --with-sanitizers=fuzzer,address,undefined --enable-c++17 CC=clang CXX=clang++"
+export BITCOIN_CONFIG="--enable-glibc-back-compat --enable-zmq --disable-ccache --enable-fuzz --with-sanitizers=fuzzer,address,undefined --enable-c++17 CC=clang CXX=clang++"
diff --git a/ci/test/00_setup_env_native_nowallet.sh b/ci/test/00_setup_env_native_nowallet.sh
index 832884f0de85..6bb371920ccc 100755
--- a/ci/test/00_setup_env_native_nowallet.sh
+++ b/ci/test/00_setup_env_native_nowallet.sh
@@ -10,4 +10,4 @@ export CONTAINER_NAME=ci_native_nowallet
 export PACKAGES="python3-zmq"
 export DEP_OPTS="NO_WALLET=1"
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-reduce-exports"
+export BITCOIN_CONFIG="--enable-glibc-back-compat --enable-reduce-exports"
diff --git a/ci/test/00_setup_env_native_qt5.sh b/ci/test/00_setup_env_native_qt5.sh
index 943fc494e209..38c9921a6bea 100755
--- a/ci/test/00_setup_env_native_qt5.sh
+++ b/ci/test/00_setup_env_native_qt5.sh
@@ -12,4 +12,4 @@ export DEP_OPTS="NO_UPNP=1 DEBUG=1"
 # TODO: we have few rpcs that aren't covered by any test, re-enable the line below once it's fixed
 # export TEST_RUNNER_EXTRA="--coverage --extended --exclude feature_pruning,feature_dbcrash"  # Run extended tests so that coverage does not fail, but exclude the very slow dbcrash
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-zmq --enable-glibc-back-compat --enable-reduce-exports LDFLAGS=-static-libstdc++"
+export BITCOIN_CONFIG="--enable-glibc-back-compat --enable-zmq --enable-reduce-exports LDFLAGS=-static-libstdc++"
diff --git a/ci/test/00_setup_env_native_sqlite.sh b/ci/test/00_setup_env_native_sqlite.sh
index a455ada8712c..2b1bcdbc663b 100644
--- a/ci/test/00_setup_env_native_sqlite.sh
+++ b/ci/test/00_setup_env_native_sqlite.sh
@@ -10,4 +10,4 @@ export CONTAINER_NAME=ci_native_sqlite
 export PACKAGES="python3-zmq qtbase5-dev qttools5-dev-tools libdbus-1-dev libharfbuzz-dev"
 export DEP_OPTS="NO_BDB=1 NO_UPNP=1 DEBUG=1"
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-zmq --enable-glibc-back-compat --enable-reduce-exports --with-sqlite --without-bdb LDFLAGS=-static-libstdc++"
+export BITCOIN_CONFIG="--enable-glibc-back-compat --enable-zmq --enable-reduce-exports --with-sqlite --without-bdb LDFLAGS=-static-libstdc++"
diff --git a/ci/test/00_setup_env_native_tsan.sh b/ci/test/00_setup_env_native_tsan.sh
index 55bffa86e612..29c217bf806e 100755
--- a/ci/test/00_setup_env_native_tsan.sh
+++ b/ci/test/00_setup_env_native_tsan.sh
@@ -15,3 +15,4 @@ export BITCOIN_CONFIG="--enable-zmq --enable-reduce-exports --enable-crash-hooks
 export BITCOIN_CONFIG="${BITCOIN_CONFIG} CC=clang-15 CXX=clang++-15 CXXFLAGS=-Werror=thread-safety"
 export CPPFLAGS="-DDEBUG_LOCKORDER -DENABLE_DASH_DEBUG -DARENA_DEBUG"
 export PYZMQ=true
+export RUN_SYMBOL_TESTS=false
diff --git a/ci/test/00_setup_env_native_ubsan.sh b/ci/test/00_setup_env_native_ubsan.sh
new file mode 100755
index 000000000000..0976c6c08ab9
--- /dev/null
+++ b/ci/test/00_setup_env_native_ubsan.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2019 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+export LC_ALL=C.UTF-8
+
+export CONTAINER_NAME=ci_native_ubsan
+export PACKAGES="clang-8 llvm-8 python3-zmq qtbase5-dev qttools5-dev-tools libevent-dev bsdmainutils libboost-filesystem-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libzmq3-dev libqrencode-dev"
+export DEP_OPTS="NO_UPNP=1 DEBUG=1"
+export GOAL="install"
+export BITCOIN_CONFIG="--enable-zmq --enable-reduce-exports --enable-crash-hooks --with-sanitizers=undefined"
+export PYZMQ=true
+export RUN_SYMBOL_TESTS=false
diff --git a/configure.ac b/configure.ac
index 9f7d7a35e5d6..08c0452d23e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -779,6 +779,18 @@ case $host in
    *android*)
      dnl make sure android stays above linux for hosts like *linux-android*
      TARGET_OS=android
+     case $host in
+       *x86_64*)
+          ANDROID_ARCH=x86_64
+          ;;
+        *aarch64*)
+          ANDROID_ARCH=arm64-v8a
+          ;;
+        *armv7a*)
+          ANDROID_ARCH=armeabi-v7a
+          ;;
+        *) AC_MSG_ERROR("Could not determine Android arch") ;;
+      esac
      ;;
    *linux*)
      TARGET_OS=linux
@@ -857,6 +869,11 @@ AX_GCC_FUNC_ATTRIBUTE([dllimport])
 if test x$use_glibc_compat != xno; then
   AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=__divmoddi4"])
   AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"])
+  case $host in
+    powerpc64* | ppc64*)
+      AX_CHECK_LINK_FLAG([[-Wl,--no-tls-get-addr-optimize]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--no-tls-get-addr-optimize"])
+    ;;
+  esac
   AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2"])
   AX_CHECK_LINK_FLAG([[-Wl,--wrap=log]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log"])
   AX_CHECK_LINK_FLAG([[-Wl,--wrap=pow]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=pow"])
@@ -1803,6 +1820,7 @@ AC_SUBST(HAVE_MM_PREFETCH)
 AC_SUBST(HAVE_STRONG_GETAUXVAL)
 AC_SUBST(HAVE_WEAK_GETAUXVAL)
 AC_SUBST(HAVE_GMTIME_R)
+AC_SUBST(ANDROID_ARCH)
 AC_CONFIG_FILES([Makefile src/Makefile doc/man/Makefile share/setup.nsi share/qt/Info.plist test/config.ini])
 AC_CONFIG_FILES([contrib/devtools/split-debug.sh],[chmod +x contrib/devtools/split-debug.sh])
 AM_COND_IF([HAVE_DOXYGEN], [AC_CONFIG_FILES([doc/Doxyfile])])
diff --git a/contrib/devtools/symbol-check.py b/contrib/devtools/symbol-check.py
index aafdd8078939..136c122901f1 100755
--- a/contrib/devtools/symbol-check.py
+++ b/contrib/devtools/symbol-check.py
@@ -33,13 +33,19 @@
 # - libc version 2.28 (http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/)
 #
 # See https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html for more info.
+#
+# For 32-bit systems the minimum libc version is 2.28 to embrace new fcntl{64} symbols.
+# It is safer than handling them in the glibc_compat.cpp due to their variadic arguments
+# with possible different sizes.
+# See: https://stackoverflow.com/a/58472959
+#
 
 MAX_VERSIONS = {
 'GCC':       (4,8,0),
 'GLIBC': {
-    pixie.EM_386:    (2,18),
+    pixie.EM_386:    (2,28),
     pixie.EM_X86_64: (2,18),
-    pixie.EM_ARM:    (2,18),
+    pixie.EM_ARM:    (2,28),
     pixie.EM_AARCH64:(2,18),
     pixie.EM_PPC64:  (2,18),
     pixie.EM_RISCV:  (2,27),
@@ -54,6 +60,8 @@
 IGNORE_EXPORTS = {
 '_edata', '_end', '__end__', '_init', '__bss_start', '__bss_start__', '_bss_end__', '__bss_end__', '_fini', '_IO_stdin_used', 'stdin', 'stdout', 'stderr',
 'environ', '_environ', '__environ',
+# Used in stacktraces.cpp
+'__cxa_demangle'
 }
 CPPFILT_CMD = os.getenv('CPPFILT', '/usr/bin/c++filt')
 OBJDUMP_CMD = os.getenv('OBJDUMP', '/usr/bin/objdump')
@@ -75,8 +83,10 @@
 'ld64.so.1', # POWER64 ABIv1 dynamic linker
 'ld64.so.2', # POWER64 ABIv2 dynamic linker
 'ld-linux-riscv64-lp64d.so.1', # 64-bit RISC-V dynamic linker
+'libz.so.1', # zlib
 # dash-qt only
 'libxcb.so.1', # part of X11
+'libxcb-shm.so.0', # X11 shared memory extension
 'libxkbcommon.so.0', # keyboard keymapping
 'libxkbcommon-x11.so.0', # keyboard keymapping
 'libfontconfig.so.1', # font support
diff --git a/contrib/gitian-descriptors/gitian-linux.yml b/contrib/gitian-descriptors/gitian-linux.yml
index d8af2c9e52a1..4268a71bd73b 100755
--- a/contrib/gitian-descriptors/gitian-linux.yml
+++ b/contrib/gitian-descriptors/gitian-linux.yml
@@ -85,7 +85,7 @@ script: |
     echo "REAL=\`which -a ${prog} | grep -v ${WRAP_DIR}/${prog} | head -1\`" >> ${WRAP_DIR}/${prog}
     echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${prog}
     echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${prog}
-    echo "\$REAL \$@" >> $WRAP_DIR/${prog}
+    echo "exec \"\$REAL\" \"\$@\"" >> $WRAP_DIR/${prog}
     chmod +x ${WRAP_DIR}/${prog}
     touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${prog}
   done
@@ -101,7 +101,7 @@ script: |
             echo "REAL=\`which -a ${i}-${prog}-8 | grep -v ${WRAP_DIR}/${i}-${prog} | head -1\`" >> ${WRAP_DIR}/${i}-${prog}
             echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${i}-${prog}
             echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
-            echo "\$REAL \"\$@\"" >> $WRAP_DIR/${i}-${prog}
+            echo "exec \"\$REAL\" \"\$@\"" >> $WRAP_DIR/${i}-${prog}
             chmod +x ${WRAP_DIR}/${i}-${prog}
             touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${i}-${prog}
         fi
@@ -142,7 +142,7 @@ script: |
   # Extract the git archive into a dir for each host and build
   for i in ${HOSTS}; do
     export PATH=${BASEPREFIX}/${i}/native/bin:${ORIGPATH}
-    if [ "${i}" = "powerpc64-linux-gnu" ]; then
+    if [ "${i}" = "powerpc64-linux-gnu" ] || [ "${i}" = "powerpc64le-linux-gnu" ]; then
       # Workaround for https://bugs.launchpad.net/ubuntu/+source/gcc-8-cross-ports/+bug/1853740
       # TODO: remove this when no longer needed
       HOST_LDFLAGS="${HOST_LDFLAGS_BASE} -Wl,-z,noexecstack"
diff --git a/contrib/gitian-descriptors/gitian-osx-signer.yml b/contrib/gitian-descriptors/gitian-osx-signer.yml
index 886d6553c092..6615e0369a26 100644
--- a/contrib/gitian-descriptors/gitian-osx-signer.yml
+++ b/contrib/gitian-descriptors/gitian-osx-signer.yml
@@ -31,7 +31,7 @@ script: |
     echo "REAL=\`which -a ${prog} | grep -v ${WRAP_DIR}/${prog} | head -1\`" >> ${WRAP_DIR}/${prog}
     echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${prog}
     echo "export FAKETIME=\"${REFERENCE_DATETIME}\"" >> ${WRAP_DIR}/${prog}
-    echo "\$REAL \$@" >> $WRAP_DIR/${prog}
+    echo "exec \"\$REAL\" \"\$@\"" >> $WRAP_DIR/${prog}
     chmod +x ${WRAP_DIR}/${prog}
   done
 
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index 9ea53a8e3087..d130d8e550bc 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -78,7 +78,7 @@ script: |
     echo "REAL=\`which -a ${prog} | grep -v ${WRAP_DIR}/${prog} | head -1\`" >> ${WRAP_DIR}/${prog}
     echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${prog}
     echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${prog}
-    echo "\$REAL \$@" >> $WRAP_DIR/${prog}
+    echo "exec \"\$REAL\" \"\$@\"" >> $WRAP_DIR/${prog}
     chmod +x ${WRAP_DIR}/${prog}
     touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${prog}
   done
@@ -91,7 +91,7 @@ script: |
         echo "REAL=\`which -a ${i}-${prog} | grep -v ${WRAP_DIR}/${i}-${prog} | head -1\`" >> ${WRAP_DIR}/${i}-${prog}
         echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${i}-${prog}
         echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
-        echo "\$REAL \$@" >> $WRAP_DIR/${i}-${prog}
+        echo "exec \"\$REAL\" \"\$@\"" >> $WRAP_DIR/${i}-${prog}
         chmod +x ${WRAP_DIR}/${i}-${prog}
         touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${i}-${prog}
     done
diff --git a/contrib/gitian-descriptors/gitian-win.yml b/contrib/gitian-descriptors/gitian-win.yml
index 393a18e4e185..99edd8077116 100755
--- a/contrib/gitian-descriptors/gitian-win.yml
+++ b/contrib/gitian-descriptors/gitian-win.yml
@@ -75,7 +75,7 @@ script: |
     echo "REAL=\`which -a ${prog} | grep -v ${WRAP_DIR}/${prog} | head -1\`" >> ${WRAP_DIR}/${prog}
     echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${prog}
     echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${prog}
-    echo "\$REAL \$@" >> $WRAP_DIR/${prog}
+    echo "exec \"\$REAL\" \"\$@\"" >> $WRAP_DIR/${prog}
     chmod +x ${WRAP_DIR}/${prog}
     touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${prog}
   done
@@ -89,7 +89,7 @@ script: |
         echo "REAL=\`which -a ${i}-${prog} | grep -v ${WRAP_DIR}/${i}-${prog} | head -1\`" >> ${WRAP_DIR}/${i}-${prog}
         echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${i}-${prog}
         echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
-        echo "\$REAL \$@" >> $WRAP_DIR/${i}-${prog}
+        echo "exec \"\$REAL\" \"\$@\"" >> $WRAP_DIR/${i}-${prog}
         chmod +x ${WRAP_DIR}/${i}-${prog}
         touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${i}-${prog}
     done
@@ -107,7 +107,7 @@ script: |
         echo "# $(${prog} --version | head -1)" >> ${WRAP_DIR}/${i}-${prog}
         echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${i}-${prog}
         echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
-        echo "\$REAL \"\$@\"" >> $WRAP_DIR/${i}-${prog}
+        echo "exec \"\$REAL\" \"\$@\"" >> $WRAP_DIR/${i}-${prog}
         chmod +x ${WRAP_DIR}/${i}-${prog}
         touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${i}-${prog}
     done
diff --git a/contrib/guix/libexec/build.sh b/contrib/guix/libexec/build.sh
index 46042be6c1ca..ce80a71a01b0 100644
--- a/contrib/guix/libexec/build.sh
+++ b/contrib/guix/libexec/build.sh
@@ -164,7 +164,6 @@ case "$HOST" in
     *linux*)
         glibc_dynamic_linker=$(
             case "$HOST" in
-                i686-linux-gnu)        echo /lib/ld-linux.so.2 ;;
                 x86_64-linux-gnu)      echo /lib64/ld-linux-x86-64.so.2 ;;
                 arm-linux-gnueabihf)   echo /lib/ld-linux-armhf.so.3 ;;
                 aarch64-linux-gnu)     echo /lib/ld-linux-aarch64.so.1 ;;
@@ -201,19 +200,12 @@ make -C depends --jobs="$JOBS" HOST="$HOST" \
                                    ${SOURCES_PATH+SOURCES_PATH="$SOURCES_PATH"} \
                                    ${BASE_CACHE+BASE_CACHE="$BASE_CACHE"} \
                                    ${SDK_PATH+SDK_PATH="$SDK_PATH"} \
-                                   i686_linux_CC=i686-linux-gnu-gcc \
-                                   i686_linux_CXX=i686-linux-gnu-g++ \
-                                   i686_linux_AR=i686-linux-gnu-ar \
-                                   i686_linux_RANLIB=i686-linux-gnu-ranlib \
-                                   i686_linux_NM=i686-linux-gnu-nm \
-                                   i686_linux_STRIP=i686-linux-gnu-strip \
                                    x86_64_linux_CC=x86_64-linux-gnu-gcc \
                                    x86_64_linux_CXX=x86_64-linux-gnu-g++ \
                                    x86_64_linux_AR=x86_64-linux-gnu-ar \
                                    x86_64_linux_RANLIB=x86_64-linux-gnu-ranlib \
                                    x86_64_linux_NM=x86_64-linux-gnu-nm \
                                    x86_64_linux_STRIP=x86_64-linux-gnu-strip \
-                                   qt_config_opts_i686_linux='-platform linux-g++ -xplatform bitcoin-linux-g++' \
                                    qt_config_opts_x86_64_linux='-platform linux-g++ -xplatform bitcoin-linux-g++' \
                                    FORCE_USE_SYSTEM_CLANG=1
 
diff --git a/depends/README.md b/depends/README.md
index 47da59fac528..0e0b3da0cfd0 100644
--- a/depends/README.md
+++ b/depends/README.md
@@ -35,7 +35,6 @@ Common `host-platform-triplets` for cross compilation are:
 - `s390x-linux-gnu` for Linux S390X
 - `armv7a-linux-android` for Android ARM 32 bit
 - `aarch64-linux-android` for Android ARM 64 bit
-- `i686-linux-android` for Android x86 32 bit
 - `x86_64-linux-android` for Android x86 64 bit
 
 The paths are automatically configured and no other options are needed unless targeting [Android](#Android).
diff --git a/depends/packages/qt.mk b/depends/packages/qt.mk
index 7c64e8b65da7..ac66191045f6 100644
--- a/depends/packages/qt.mk
+++ b/depends/packages/qt.mk
@@ -185,7 +185,6 @@ $(package)_config_opts_android += -no-feature-vulkan
 $(package)_config_opts_aarch64_android += -android-arch arm64-v8a
 $(package)_config_opts_armv7a_android += -android-arch armeabi-v7a
 $(package)_config_opts_x86_64_android += -android-arch x86_64
-$(package)_config_opts_i686_android += -android-arch i686
 endef
 
 define $(package)_fetch_cmds
diff --git a/src/compat/glibc_compat.cpp b/src/compat/glibc_compat.cpp
index 198b445071e2..029d48a858c3 100644
--- a/src/compat/glibc_compat.cpp
+++ b/src/compat/glibc_compat.cpp
@@ -55,6 +55,12 @@ extern "C" int fcntl_old(int fd, int cmd, ...);
 #define SYMVER "GLIBC_2.4"
 #elif defined(__aarch64__)
 #define SYMVER "GLIBC_2.17"
+#elif defined(__powerpc64__)
+#  ifdef WORDS_BIGENDIAN
+#define SYMVER "GLIBC_2.3"
+#  else
+#define SYMVER "GLIBC_2.17"
+#  endif
 #elif defined(__riscv)
 #define SYMVER "GLIBC_2.27"
 #endif // __i386__