Crypt-iQ · Crypt-iQ · Sep 2, 2026 · Sep 2, 2026 · Sep 2, 2026 · Sep 2, 2026
diff --git a/.github/ci-windows-cross.py b/.github/ci-windows-cross.py
@@ -41,17 +41,9 @@ def check_imports():
 
     # Ensure the executable is linked against the expected C runtime.
     dlls = {name.lower() for name in dlls}
-    uses_msvcrt = "msvcrt.dll" in dlls
     uses_ucrt = any(name.startswith("api-ms-win-crt-") for name in dlls)
-    crt = os.environ["CRT"]
-    if crt == "msvcrt":
-        crt_ok = uses_msvcrt and not uses_ucrt
-    elif crt == "ucrt":
-        crt_ok = uses_ucrt and not uses_msvcrt
-    else:
-        sys.exit(f"Unexpected CRT value: {crt!r}")
-    if not crt_ok:
-        sys.exit(f"Imported DLLs do not match the expected {crt!r} C runtime.")
+    if not uses_ucrt:
+        sys.exit("Imported DLLs do not match the expected UCRT C runtime.")
 
 
 def check_manifests():
@@ -99,12 +91,9 @@ def prepare_tests():
     content = "\n".join(lines) + "\n"
     config_path.write_text(content)
     print(content)
-    previous_releases_dir = Path(os.environ["PREVIOUS_RELEASES_DIR"])
     cmd_download_prev_rel = [
         sys.executable,
         str(workspace / "test" / "get_previous_releases.py"),
-        "--target-dir",
-        str(previous_releases_dir),
     ]
     run(cmd_download_prev_rel)
     run([sys.executable, "-m", "pip", "install", "pyzmq"])

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -304,25 +304,13 @@ jobs:
         run: echo "commit=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
 
   windows-cross:
-    name: 'Windows-cross to x86_64, ${{ matrix.crt }}'
+    name: 'Windows-cross to x86_64'
     needs: record-frozen-commit
     runs-on: ${{ github.repository == 'bitcoin/bitcoin' && 'warp-ubuntu-latest-x64-4x' || 'ubuntu-latest' }}
     if: ${{ vars.SKIP_BRANCH_PUSH != 'true' || github.event_name == 'pull_request' }}
 
-    strategy:
-      fail-fast: false
-      matrix:
-        crt: [msvcrt, ucrt]
-        include:
-          - crt: msvcrt
-            file-env: './ci/test/00_setup_env_win64_msvcrt.sh'
-            artifact-name: 'x86_64-w64-mingw32-executables'
-          - crt: ucrt
-            file-env: './ci/test/00_setup_env_win64.sh'
-            artifact-name: 'x86_64-w64-mingw32ucrt-executables'
-
     env:
-      FILE_ENV: ${{ matrix.file-env }}
+      FILE_ENV: './ci/test/00_setup_env_win64.sh'
       DANGER_CI_ON_HOST_FOLDERS: 1
 
     steps:
@@ -358,7 +346,7 @@ jobs:
       - name: Upload built executables
         uses: actions/upload-artifact@v7
         with:
-          name: ${{ matrix.artifact-name }}-${{ github.run_id }}
+          name: x86_64-w64-mingw32ucrt-executables-${{ github.run_id }}
           path: |
             ${{ env.BASE_BUILD_DIR }}/bin/*.dll
             ${{ env.BASE_BUILD_DIR }}/bin/*.exe
@@ -367,20 +355,10 @@ jobs:
             ${{ env.BASE_BUILD_DIR }}/test/config.ini
 
   windows-native-test:
-    name: 'Windows, ${{ matrix.crt }}, test cross-built'
+    name: 'Windows, test cross-built'
     runs-on: windows-2022
     needs: [windows-cross, record-frozen-commit]
 
-    strategy:
-      fail-fast: false
-      matrix:
-        crt: [msvcrt, ucrt]
-        include:
-          - crt: msvcrt
-            artifact-name: 'x86_64-w64-mingw32-executables'
-          - crt: ucrt
-            artifact-name: 'x86_64-w64-mingw32ucrt-executables'
-
     env:
       PYTHONUTF8: 1
       TEST_RUNNER_TIMEOUT_FACTOR: 40
@@ -396,16 +374,14 @@ jobs:
       - name: Download built executables
         uses: actions/download-artifact@v8
         with:
-          name: ${{ matrix.artifact-name }}-${{ github.run_id }}
+          name: x86_64-w64-mingw32ucrt-executables-${{ github.run_id }}
 
       - name: Run bitcoind.exe
         run: py -3 .github/ci-windows-cross.py print_version
 
       - *IMPORT_VS_ENV
 
       - name: Check imported DLLs
-        env:
-          CRT: ${{ matrix.crt }}
         run: py -3 .github/ci-windows-cross.py check_imports
 
       - name: Check executable manifests

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -27,7 +27,7 @@ get_directory_property(precious_variables CACHE_VARIABLES)
 # Project / Package metadata
 #=============================
 set(CLIENT_NAME "Bitcoin Core")
-set(CLIENT_VERSION_MAJOR 31)
+set(CLIENT_VERSION_MAJOR 32)
 set(CLIENT_VERSION_MINOR 99)
 set(CLIENT_VERSION_BUILD 0)
 set(CLIENT_VERSION_RC 0)
@@ -371,7 +371,6 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SIZEOF_VOID_P EQUAL 4)
 endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
-  target_compile_definitions(core_interface INTERFACE OBJC_OLD_DISPATCH_PROTOTYPES=0)
   # These flags are specific to ld64, and may cause issues with other linkers.
   # For example: GNU ld will interpret -dead_strip as -de and then try and use
   # "ad_strip" as the symbol for the entry point.

diff --git a/ci/lint/01_install.sh b/ci/lint/01_install.sh
@@ -4,7 +4,7 @@
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-export LC_ALL=C
+export LC_ALL=C.UTF-8
 
 set -o errexit -o pipefail -o xtrace
 

diff --git a/ci/lint/06_script.sh b/ci/lint/06_script.sh
@@ -4,7 +4,7 @@
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-export LC_ALL=C
+export LC_ALL=C.UTF-8
 
 set -o errexit -o pipefail -o xtrace
 

diff --git a/ci/test/00_setup_env_freebsd_cross.sh b/ci/test/00_setup_env_freebsd_cross.sh
@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CONTAINER_NAME=ci_freebsd_cross
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"
-export APT_LLVM_V="22"
+export APT_LLVM_V="23"
 export HOST=x86_64-unknown-freebsd
 export FREEBSD_VERSION=15.1
 export FREEBSD_SDK_BASENAME="freebsd-${HOST}-${FREEBSD_VERSION}"

diff --git a/ci/test/00_setup_env_mac_native.sh b/ci/test/00_setup_env_mac_native.sh
@@ -9,6 +9,7 @@ export LC_ALL=C.UTF-8
 export CONTAINER_NAME="ci_mac_native"  # macos does not use a container, but the env var is needed for logging
 export PIP_PACKAGES="--break-system-packages pycapnp pyzmq"
 export GOAL="install deploy"
+export RUN_MACOS_CODESIGN=true
 export CMAKE_GENERATOR="Ninja"
 export CI_OS_NAME="macos"
 export NO_DEPENDS=1

diff --git a/ci/test/00_setup_env_native_asan.sh b/ci/test/00_setup_env_native_asan.sh
@@ -19,7 +19,7 @@ else
 fi
 
 export CONTAINER_NAME=ci_native_asan
-export APT_LLVM_V="22"
+export APT_LLVM_V="23"
 export PACKAGES="systemtap-sdt-dev clang-${APT_LLVM_V} llvm-${APT_LLVM_V} libclang-rt-${APT_LLVM_V}-dev mold python3-zmq qt6-base-dev qt6-tools-dev qt6-l10n-tools libboost-dev libzmq3-dev libqrencode-dev libsqlite3-dev ${BPFCC_PACKAGE} libcapnp-dev capnproto python3-pip"
 export PIP_PACKAGES="--break-system-packages pycapnp"
 export NO_DEPENDS=1

diff --git a/ci/test/00_setup_env_native_fuzz.sh b/ci/test/00_setup_env_native_fuzz.sh
@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"
 export CONTAINER_NAME=ci_native_fuzz
-export APT_LLVM_V="22"
+export APT_LLVM_V="23"
 export PACKAGES="clang-${APT_LLVM_V} llvm-${APT_LLVM_V} libclang-rt-${APT_LLVM_V}-dev libboost-dev libsqlite3-dev libcapnp-dev capnproto"
 export NO_DEPENDS=1
 export RUN_UNIT_TESTS=false

diff --git a/ci/test/00_setup_env_native_fuzz_with_msan.sh b/ci/test/00_setup_env_native_fuzz_with_msan.sh
@@ -7,7 +7,7 @@
 export LC_ALL=C.UTF-8
 
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"
-export APT_LLVM_V="22"
+export APT_LLVM_V="23"
 LIBCXX_DIR="/cxx_build/"
 export MSAN_FLAGS="-fsanitize=memory -fsanitize-memory-track-origins=2 -fno-omit-frame-pointer -g -O1 -fno-optimize-sibling-calls"
 LIBCXX_FLAGS="-nostdinc++ -nostdlib++ -isystem ${LIBCXX_DIR}include/c++/v1 -L${LIBCXX_DIR}lib -Wl,-rpath,${LIBCXX_DIR}lib -lc++ -lc++abi -lpthread -Wno-unused-command-line-argument"

diff --git a/ci/test/00_setup_env_native_iwyu.sh b/ci/test/00_setup_env_native_iwyu.sh
@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"  # To build codegen, CMake must be 3.31 or newer.
 export CONTAINER_NAME=ci_native_iwyu
-export IWYU_LLVM_V="22"
+export IWYU_LLVM_V="23"
 export APT_LLVM_V="${IWYU_LLVM_V}"
 export PACKAGES="clang-${IWYU_LLVM_V} clang-format-${IWYU_LLVM_V} libclang-${IWYU_LLVM_V}-dev llvm-${IWYU_LLVM_V}-dev jq libboost-dev libzmq3-dev systemtap-sdt-dev qt6-base-dev qt6-tools-dev qt6-l10n-tools libqrencode-dev libsqlite3-dev libcapnp-dev capnproto"
 export NO_DEPENDS=1
@@ -17,7 +17,10 @@ export RUN_FUNCTIONAL_TESTS=false
 export RUN_FUZZ_TESTS=false
 export RUN_CHECK_DEPS=false
 export RUN_IWYU=true
-export GOAL="codegen"
+# Adding non-codegen targets to the build goal is a workaround
+# for https://gitlab.kitware.com/cmake/cmake/-/work_items/27862
+# and https://github.com/bitcoin-core/libmultiprocess/issues/284.
+export GOAL="codegen bitcoin_node_raw_data_headers mp_headers mptest_headers bitcoin_ipc_headers bitcoin_ipc_test_headers bitcoin_ipc_fuzz_headers"
 export BITCOIN_CONFIG="\
  --preset dev-mode -DBUILD_GUI=OFF \
  -DCMAKE_C_COMPILER=clang-${IWYU_LLVM_V} \

diff --git a/ci/test/00_setup_env_native_msan.sh b/ci/test/00_setup_env_native_msan.sh
@@ -7,7 +7,7 @@
 export LC_ALL=C.UTF-8
 
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"
-export APT_LLVM_V="22"
+export APT_LLVM_V="23"
 LIBCXX_DIR="/cxx_build/"
 export MSAN_FLAGS="-fsanitize=memory -fsanitize-memory-track-origins=2 -fno-omit-frame-pointer -g -O1 -fno-optimize-sibling-calls"
 LIBCXX_FLAGS="-nostdinc++ -nostdlib++ -isystem ${LIBCXX_DIR}include/c++/v1 -L${LIBCXX_DIR}lib -Wl,-rpath,${LIBCXX_DIR}lib -lc++ -lc++abi -lpthread -Wno-unused-command-line-argument"

diff --git a/ci/test/00_setup_env_native_previous_releases.sh b/ci/test/00_setup_env_native_previous_releases.sh
@@ -9,8 +9,9 @@ export LC_ALL=C.UTF-8
 export CONTAINER_NAME=ci_native_previous_releases
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:22.04"
 # Use minimum supported python3.10 and gcc-12, see doc/dependencies.md
-export PACKAGES="gcc-12 g++-12 python3-zmq"
+export PACKAGES="gcc-12 g++-12 python3-zmq libleveldb-dev python3-pip"
 export DEP_OPTS="CC=gcc-12 CXX=g++-12"
+export PIP_PACKAGES="plyvel"
 export TEST_RUNNER_EXTRA="--previous-releases --coverage --extended --exclude feature_dbcrash"  # Run extended tests so that coverage does not fail, but exclude the very slow dbcrash
 export GOAL="install"
 export CI_LIMIT_STACK_SIZE=1

diff --git a/ci/test/00_setup_env_native_tidy.sh b/ci/test/00_setup_env_native_tidy.sh
@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"
 export CONTAINER_NAME=ci_native_tidy
-export TIDY_LLVM_V="22"
+export TIDY_LLVM_V="23"
 export APT_LLVM_V="${TIDY_LLVM_V}"
 export PACKAGES="clang-${TIDY_LLVM_V} libclang-${TIDY_LLVM_V}-dev llvm-${TIDY_LLVM_V}-dev libomp-${TIDY_LLVM_V}-dev clang-tidy-${TIDY_LLVM_V} jq libboost-dev libzmq3-dev systemtap-sdt-dev qt6-base-dev qt6-tools-dev qt6-l10n-tools libqrencode-dev libsqlite3-dev libcapnp-dev capnproto"
 export NO_DEPENDS=1

diff --git a/ci/test/00_setup_env_native_tsan.sh b/ci/test/00_setup_env_native_tsan.sh
@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CONTAINER_NAME=ci_native_tsan
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"
-export APT_LLVM_V="22"
+export APT_LLVM_V="23"
 LIBCXX_DIR="/cxx_build/"
 LIBCXX_FLAGS="-fsanitize=thread -nostdinc++ -nostdlib++ -isystem ${LIBCXX_DIR}include/c++/v1 -L${LIBCXX_DIR}lib -Wl,-rpath,${LIBCXX_DIR}lib -lc++ -lc++abi -lpthread -Wno-unused-command-line-argument"
 export PACKAGES="clang-${APT_LLVM_V} llvm-${APT_LLVM_V} llvm-${APT_LLVM_V}-dev libclang-${APT_LLVM_V}-dev libclang-rt-${APT_LLVM_V}-dev python3-zmq python3-pip"

diff --git a/ci/test/00_setup_env_netbsd_cross.sh b/ci/test/00_setup_env_netbsd_cross.sh
@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CONTAINER_NAME=ci_netbsd_cross
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"
-export APT_LLVM_V="22"
+export APT_LLVM_V="23"
 export HOST=x86_64-unknown-netbsd
 export NETBSD_VERSION=11.0
 export NETBSD_SDK_BASENAME="netbsd-${HOST}-${NETBSD_VERSION}"

diff --git a/ci/test/00_setup_env_openbsd_cross.sh b/ci/test/00_setup_env_openbsd_cross.sh
@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export CONTAINER_NAME=ci_openbsd_cross
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:26.04"
-export APT_LLVM_V="22"
+export APT_LLVM_V="23"
 export HOST=x86_64-unknown-openbsd
 export OPENBSD_VERSION=7.9
 export OPENBSD_SDK_BASENAME="openbsd-${HOST}-${OPENBSD_VERSION}"

diff --git a/ci/test/00_setup_env_win64_msvcrt.sh b/ci/test/00_setup_env_win64_msvcrt.sh
diff --git a/ci/test/01_base_install.sh b/ci/test/01_base_install.sh
@@ -67,7 +67,7 @@ if [ -n "$PIP_PACKAGES" ]; then
 fi
 
 if [[ -n "${USE_INSTRUMENTED_LIBCPP}" ]]; then
-  ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-22.1.7" /llvm-project
+  ${CI_RETRY_EXE} git clone --depth=1 https://github.com/llvm/llvm-project -b "llvmorg-23.1.0" /llvm-project
 
 # LLVM is configured with LIBCXXABI_USE_LLVM_UNWINDER=OFF,
 # because libunwind doesn't handle exceptions under MSAN.
@@ -83,6 +83,7 @@ if [[ -n "${USE_INSTRUMENTED_LIBCPP}" ]]; then
     -DLIBCXXABI_USE_LLVM_UNWINDER=OFF \
     -DLIBCXX_ABI_DEFINES="_LIBCPP_ABI_BOUNDED_ITERATORS;_LIBCPP_ABI_BOUNDED_ITERATORS_IN_STD_ARRAY;_LIBCPP_ABI_BOUNDED_ITERATORS_IN_STRING;_LIBCPP_ABI_BOUNDED_ITERATORS_IN_VECTOR;_LIBCPP_ABI_BOUNDED_UNIQUE_PTR" \
     -DLIBCXX_HARDENING_MODE=debug \
+    -DLIBCXX_INCLUDE_TESTS=OFF \
     -S /llvm-project/runtimes
 
   ninja -C /cxx_build/ "$MAKEJOBS"
@@ -93,26 +94,17 @@ if [[ -n "${USE_INSTRUMENTED_LIBCPP}" ]]; then
 fi
 
 if [[ ${BARE_METAL_RISCV} == "true" ]]; then
-    # Use a mirror for these submodules as sourceware blocks too many requests combating AI.
-    ${CI_RETRY_EXE} git clone --depth=1 https://github.com/riscv-collab/riscv-gnu-toolchain -b 2026.06.06 /riscv/gcc
-    ( cd /riscv/gcc;
-      export GIT_CONFIG_COUNT=3
-      export GIT_CONFIG_KEY_0=url.https://git.fish.foo/mirrors/binutils-gdb.git.insteadOf
-      export GIT_CONFIG_VALUE_0=https://sourceware.org/git/binutils-gdb.git
-      export GIT_CONFIG_KEY_1=url.https://git.fish.foo/mirrors/glibc.git.insteadOf
-      export GIT_CONFIG_VALUE_1=https://sourceware.org/git/glibc.git
-      export GIT_CONFIG_KEY_2=url.https://git.fish.foo/mirrors/newlib-cygwin.git.insteadOf
-      export GIT_CONFIG_VALUE_2=https://sourceware.org/git/newlib-cygwin.git
-      ./configure --prefix=/opt/riscv-ilp32 --with-arch=rv32gc --with-abi=ilp32 --disable-gdb;
-      make "$MAKEJOBS"; )
+    ${CI_RETRY_EXE} git clone --depth=1 https://github.com/riscv-collab/riscv-gnu-toolchain -b 2026.08.25 /riscv/gcc
+    ( cd /riscv/gcc
+      ./configure --prefix=/opt/riscv-ilp32 --with-arch=rv32gc --with-abi=ilp32 --disable-gdb
+      make "$MAKEJOBS" )
     rm -rf /riscv/gcc
 fi
 
 if [[ "${RUN_IWYU}" == true ]]; then
   ${CI_RETRY_EXE} git clone --depth=1 https://github.com/include-what-you-use/include-what-you-use -b clang_"${IWYU_LLVM_V}" /include-what-you-use
   pushd /include-what-you-use
   patch -p1 < "${BASE_ROOT_DIR}/ci/test/01_iwyu.patch"
-  patch -p1 < "${BASE_ROOT_DIR}/ci/test/02_iwyu_hash.patch"
   popd
   cmake -B /iwyu-build/ -G 'Unix Makefiles' -DCMAKE_PREFIX_PATH=/usr/lib/llvm-"${IWYU_LLVM_V}" -S /include-what-you-use
   make -C /iwyu-build/ install "$MAKEJOBS"