Repository Issues

facebook/zstd

Zstandard - Fast real-time compression algorithm

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Stars
 (27,100 stars)
Forks
 (2,481 forks)
Indexed issues
 (17 indexed issues)
open beginner issues
 (17 open beginner issues)
Latest indexed
Aug 14, 2026
Last GitHub push
May 14, 2026
License
Other
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
C
PR merge metrics
 (Avg merge 50m) (2 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

17 indexed issues

Open
Possible division by zero in zstdcli_trace.c
buggood first issuehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

facebook / zstd · #4368 · Apr 17, 2025 · C · 27,100 stars

7 comments1 reaction0 assignees
Open
Add stream-size option to pzstd
feature requestgood first issuehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

facebook / zstd · #3171 · Jun 21, 2022 · C · 27,100 stars

2 comments0 reactions0 assignees
Open
[Huffman Assembly] Expand supported platforms
help wantedlong-term
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

facebook / zstd · #2789 · Sep 20, 2021 · C · 27,100 stars

11 comments2 reactions1 assignee
Open
IBM Linux on z SIMD optimization
Announcehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

facebook / zstd · #2679 · May 21, 2021 · C · 27,100 stars

8 comments4 reactions0 assignees
Open
zstdgrep parsing of grep options naively broken
bughelp wantedlong-term
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

facebook / zstd · #2064 · Apr 3, 2020 · C · 27,100 stars

6 comments5 reactions0 assignees
Open
mingw library cross-compilation
help wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

facebook / zstd · #1911 · Nov 28, 2019 · C · 27,100 stars

4 comments0 reactions1 assignee
Open
installation with MSYS2
buildenhancementhelp wantedlong-term
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

facebook / zstd · #1878 · Nov 7, 2019 · C · 27,100 stars

7 comments1 reaction1 assignee