msys2/msys2-runtime

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Our friendly fork of Cygwin 💖 https://cygwin.org 💖 see the wiki for details

Stars: 240
Forks: 60
Open beginner issues: 0
Indexed issues: 70
Avg merge: 2d 3h
Merged PRs (30d): 1

Dominant language: C
License: GPL-2.0
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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70 open issues indexed

Arrow keys in tmux panes produce bare letters instead of escape sequences (regression in 3.6.10-3) Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

msys2/msys2-runtime#365 · 5 comments · 1 reaction · Opened Sep 14, 2026
Shell crash in TwinCAT RUN mode: stale upper RBX bits in the XSAVE stack-size calculation Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

msys2/msys2-runtime#363 · Opened Sep 11, 2026
Regression in msys2-runtime 3.6.10 - some apps hang, i.e. `make`, `git` Open

bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

msys2/msys2-runtime#362 · 7 comments · Opened Aug 14, 2026
[3.6.10 regression] Pasting is SIGNIFICANTLY SLOW after upgrading to 3.6.10 Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

msys2/msys2-runtime#358 · 3 comments · 3 reactions · Opened Aug 10, 2026
0 [main] bash (4712) shared_info::initialize: size of shared memory region changed from 60344 to 59320 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#354 · 1 comment · Opened Jul 29, 2026
MSYS2 bash.exe wont quit Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

msys2/msys2-runtime#351 · 4 comments · Opened Jul 22, 2026
problem with pcon after updating msys2-runtime to 3.6.10-1 Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

msys2/msys2-runtime#349 · Opened Jul 18, 2026
`utsname` is ABI incompatible with cygwin Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

msys2/msys2-runtime#346 · 3 comments · Opened Jun 18, 2026
Verify Msys2 build on Windows Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#341 · 7 comments · Opened May 21, 2026
POSIX MSYS2 runtime strips {} from arguments when launching processes with CreateProcess Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

msys2/msys2-runtime#332 · Opened Mar 25, 2026
rsync -e flag causes path misread with /c/ paths (source and destination cannot both be remote) Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

msys2/msys2-runtime#330 · 1 comment · Opened Mar 25, 2026
Cannot launch when enabling Mandatory ASLR in Windows Security Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#327 · 1 comment · Opened Jan 29, 2026
Cmake Generation error while MSYS2 is on path Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#325 · 3 comments · Opened Jan 10, 2026
bash.exe、mintty.exe hung, hacking way cause app hung in msys-2.0.dll Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#324 · 1 comment · Opened Jan 5, 2026
Ultra slow path conversion Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#323 · 1 comment · Opened Dec 23, 2025
New windows appear behind MSys terminal window. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#321 · 1 comment · Opened Nov 24, 2025
Calling non-MSYS programs passes invalid env Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

msys2/msys2-runtime#320 · Opened Nov 20, 2025
`.cmd` scripts located in absolute paths containing spaces fail when run with arguments that trigger path conversion Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#319 · Opened Nov 11, 2025
:lady_beetle: MSYS MINGW64 doesn't respect chmod and reports different file permissions than Cygwin Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#311 · 4 comments · Opened Aug 22, 2025
Need copy_file_range() which uses FSCTL_DUPLICATE_EXTENTS_TO_FILE Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

msys2/msys2-runtime#310 · 10 comments · 1 reaction · Opened Aug 18, 2025
`msys-runtime` update blocked and removed by thread protection (updated 2025-06-18) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#305 · 10 comments · Opened Jul 18, 2025
Please consider POSIXifying the `GNUPGHOME` variable Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#297 · 14 comments · Opened Jul 4, 2025
Segfaults if CPU's PKU/PKRU feature is enabled Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

msys2/msys2-runtime#295 · 15 comments · Opened Jun 27, 2025
performance regression between 3.5 and 3.6 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#282 · 2 comments · Opened Apr 24, 2025
ConPTY doesn't properly terminate Python child processes when mintty terminal is closed Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

msys2/msys2-runtime#267 · 2 comments · Opened Mar 19, 2025
/bin to /usr/bin questions Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#266 · 1 comment · Opened Mar 14, 2025
Home directory evaluation broken for Network Service account Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#258 · 5 comments · Opened Feb 12, 2025
perl pipes broke sometime recently Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#230 · 2 comments · Opened Oct 25, 2024
How to disable unix path translation? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#229 · 11 comments · Opened Oct 22, 2024
Skip path conversion for strace arguments Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#226 · 6 comments · Opened Aug 27, 2024
Multi-byte characters not rendered correctly when output from a C or C++ program Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#223 · Opened Jul 23, 2024
[meta] Reducing the diff to cygwin Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

msys2/msys2-runtime#221 · 5 comments · Opened Jul 9, 2024
Symbolic link to directory creation fails because of too long paths even if path <= 260 characters Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

msys2/msys2-runtime#216 · 1 comment · Opened May 25, 2024
Regression from pathconv changes Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#208 · 24 comments · Opened Mar 8, 2024
Java Classpath Broken Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#207 · 8 comments · Opened Mar 5, 2024
In msys2-runtime 3.4.10, an external command no longer recognizes files in the current directory. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#201 · 5 comments · Opened Feb 19, 2024
Investigate why cygdrives don't show up with listdir Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#195 · 4 comments · Opened Feb 5, 2024
Copying and moving a symlink to another FS fails if the target is relative Open

symlinks

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#189 · Opened Jan 23, 2024
Regressions after pathconv-adjustments(3.4.10-4) Open

pathconv

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#187 · 2 comments · Opened Jan 9, 2024
Regressions with the terminal alternate screen in msys2-runtime 3.3.6-5 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

msys2/msys2-runtime#185 · 14 comments · Opened Dec 29, 2023
dcrt0.cc: impossible to pass double quotes to application if noglob is enabled Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

msys2/msys2-runtime#178 · 1 reaction · Opened Nov 15, 2023
kill() / signal() doesn't really work. Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

msys2/msys2-runtime#176 · 13 comments · 1 reaction · Opened Nov 5, 2023
Keyboard focus does not pass on Windows 11 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#173 · 2 comments · Opened Sep 18, 2023
uname -m reports x86_64 on arm64 systems Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

msys2/msys2-runtime#171 · 13 comments · 2 reactions · Opened Aug 25, 2023
[Bash bug] Building BaCon on MSYS2 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#167 · 9 comments · Opened Aug 15, 2023
Mouse input blocked by transparent window when any msys shell is opened Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

msys2/msys2-runtime#162 · 4 comments · 2 reactions · Opened Jul 9, 2023
Some executables cause BSOD in WinPE Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

msys2/msys2-runtime#160 · 2 comments · Opened Jun 29, 2023
env reporting environment variables starting with exclamation mark (possible path problems)? Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

msys2/msys2-runtime#155 · 1 comment · Opened May 29, 2023
Unexpected/Incorrect Path Conversion when Exporting Environment Variables Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#152 · 4 comments · 1 reaction · Opened Apr 19, 2023
Unexpected change in path conversion behaviour after #143 Open

pathconv

Difficulty 4/5 3-5 days Newbie friendliness 35/100

msys2/msys2-runtime#150 · 4 comments · 1 reaction · Opened Apr 13, 2023

msys2/msys2-runtime

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