Issues

• msys2-runtime: SIGCHLD intermittently not delivered to sshd's privsep session parent on aarch64

  bugdifficulty: hardpriority: medium
  Multicorewareinc/MSYS2-packages#51 · Filter by author aswin-mcw opened on Sep 24, 2026

• git filter-branch --tree-filter fails on a corrupted temp path under the aarch64 POSIX layer

  bugdifficulty: moderatepriority: low
  Multicorewareinc/MSYS2-packages#49 · Filter by author aswin-mcw opened on Sep 24, 2026
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• cross-msysarm64-gcc: libgcc has no BID decimal-float helpers, so _Decimal128 code compiles but fails to link

  bugdifficulty: hardpriority: medium
  Multicorewareinc/MSYS2-packages#48 · Filter by author aswin-mcw opened on Sep 24, 2026

• cross-msysarm64-gcc: internal compiler error on pcre-8.45/pcre_exec.c at every optimisation level, so pcre has no aarch64 build

  bugdifficulty: hardpriority: high
  Multicorewareinc/MSYS2-packages#47 · Filter by author aswin-mcw opened on Sep 24, 2026

• libcbor: the branch builds 0.14 (msys-cbor-0.14.dll) while the shipped release carries 0.11, so the output is not a drop-in replacement

  difficulty: easypriority: mediumquestion
  Multicorewareinc/MSYS2-packages#46 · Filter by author aswin-mcw opened on Sep 24, 2026

• sqlite: tcl-sqlite and lemon cannot be produced for aarch64 and are dropped from the package set

  difficulty: moderateenhancementpriority: low
  Multicorewareinc/MSYS2-packages#45 · Filter by author aswin-mcw opened on Sep 24, 2026

• cross chain: nothing stages the ARM64 runtime's objects and import libraries into /usr/aarch64-pc-cygwin

  bugdifficulty: moderatepriority: high
  Multicorewareinc/MSYS2-packages#44 · Filter by author aswin-mcw opened on Sep 24, 2026

• heimdal 7.8: does not build with GCC 14+ because newlib's vasnprintf has an incompatible prototype (affects the native build too)

  bugdifficulty: easypriority: high
  Multicorewareinc/MSYS2-packages#43 · Filter by author aswin-mcw opened on Sep 24, 2026

• libfido2: the Windows Hello backend aborts with stack smashing on aarch64, so device enumeration is unusable

  bugdifficulty: hardpriority: medium
  Multicorewareinc/MSYS2-packages#42 · Filter by author aswin-mcw opened on Sep 24, 2026

• ncurses: the DLL exports cygwin_premain0, which collides with textreadmode.o and costs openssh its text mode

  bugdifficulty: moderatepriority: high
  Multicorewareinc/MSYS2-packages#41 · Filter by author aswin-mcw opened on Sep 24, 2026

• ncurses: the cross build produces cyg- prefixed DLLs instead of msys-

  bugdifficulty: moderatepriority: medium
  Multicorewareinc/MSYS2-packages#40 · Filter by author aswin-mcw opened on Sep 24, 2026

• cross-msysarm64-gcc: the integrated preprocessor hangs on sources including <windows.h>

  bugdifficulty: hardpriority: medium
  Multicorewareinc/MSYS2-packages#39 · Filter by author aswin-mcw opened on Sep 24, 2026

• cross-msysarm64-gcc: at -O2 and above GCC 17 emits SEH unwind directives with unaligned offsets that its own assembler rejects

  bugdifficulty: hardpriority: high
  Multicorewareinc/MSYS2-packages#38 · Filter by author aswin-mcw opened on Sep 24, 2026

• cross-msysarm64-gcc: the cross compiler does not append .exe, so libtool's make install fails for every package that installs programs

  bugdifficulty: moderatepriority: high
  Multicorewareinc/MSYS2-packages#37 · Filter by author aswin-mcw opened on Sep 24, 2026

• cross-msysarm64-curl: builds and links, but cannot perform any network transfer

  difficulty: easypriority: high
  Multicorewareinc/MSYS2-packages#35 · Filter by author aswin-mcw opened on Aug 13, 2026

• git 2.55: cargo under makepkg resolves TMPDIR to C:\Windows and cannot create a temp dir

  difficulty: easypriority: low
  Multicorewareinc/MSYS2-packages#34 · Filter by author aswin-mcw opened on Aug 13, 2026

• libassuan 2.5.7 and 3.0.2 do not build with gcc 15 (funopen callback prototype, C23)

  difficulty: easypriority: medium
  Multicorewareinc/MSYS2-packages#33 · Filter by author aswin-mcw opened on Aug 13, 2026

• cross-msysarm64-w32api-runtime / gcc: Win32 import libraries are in a directory the linker never searches

  difficulty: easypriority: high
  Multicorewareinc/MSYS2-packages#32 · Filter by author aswin-mcw opened on Aug 13, 2026

• cross-msysarm64-gcc: __emutls_get_address is in libgcc_eh.a, so no __thread variable can be linked

  difficulty: easypriority: high
  Multicorewareinc/MSYS2-packages#31 · Filter by author aswin-mcw opened on Aug 13, 2026

• cross-msysarm64-gcc: front end segfaults parsing w32api headers, in five different headers

  difficulty: hardpriority: high
  Multicorewareinc/MSYS2-packages#30 · Filter by author aswin-mcw opened on Aug 13, 2026

• Two upstream-side build failures worked around in the aarch64 chain (libiconv relocwrapper, gettext libasprintf)

  difficulty: moderatepriority: medium
  Multicorewareinc/MSYS2-packages#29 · Filter by author aswin-mcw opened on Aug 13, 2026

• Cross-configuring for aarch64-pc-msys silently guesses 15 run-test results in bash

  difficulty: moderatepriority: medium
  Multicorewareinc/MSYS2-packages#28 · Filter by author aswin-mcw opened on Aug 13, 2026

• ARM64 build root: CHOST=aarch64-pc-msys makes libtool silently build static-only libraries

  difficulty: easypriority: high
  Multicorewareinc/MSYS2-packages#27 · Filter by author aswin-mcw opened on Aug 13, 2026

• cross-msysarm64-runtime-devel: ships newlib headers that shadow real packages (iconv.h, unctrl.h)

  difficulty: easypriority: high
  Multicorewareinc/MSYS2-packages#26 · Filter by author aswin-mcw opened on Aug 13, 2026

• cross-msysarm64-gcc: compiler spins forever on gettext-tools/gnulib-lib/uniname/uniname.c

  difficulty: hardpriority: medium
  Multicorewareinc/MSYS2-packages#25 · Filter by author aswin-mcw opened on Aug 13, 2026