Hacktoberfest 2026: the issues maintainers tagged for October, open and beginner-friendly. Browse Hacktoberfest issues

Reference implementation of the Theora video compression format. Mirror of https://gitlab.xiph.org/xiph/theora

Is xiph/theora beginner-friendly?

We have not seen enough recent pull requests from outside contributors to xiph/theora to say how often they are merged. No beginner-friendly issue is open right now; the list below has the other issues we hold for it.

Stars
127
Forks
78
Open beginner issues
0
Indexed issues
7
Dominant language
C
License
No license data
Last GitHub push
May 11, 2026
Latest indexed
Sep 21, 2026
Contributing guide
No contributing guide
Code of conduct
No code of conduct
Beginner labels
No beginner labels indexed
PR merge metrics
No merged PRs in 30d

How to contribute to xiph/theora

  1. There is no contributing guide, so start from the README and a few recently merged pull requests to see how changes are proposed.
  2. Follow the repository to hear when a new beginner-friendly issue opens, or look through the other issues below.

Issues somebody may already be working on are listed last. List everything by date

  • Video artifacts on macOS
    Open

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

    xiph/theora#26 ·

  • Heap buffer over-read in avi_parse_input_file() when parsing truncated hdrl strh chunk
    Open

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

    xiph/theora#24 · 3 comments ·

  • Hh
    Open

    Difficulty 5/5 Over a week Newbie friendliness 1/100

    xiph/theora#23 ·

  • ossfuzz issues
    Open

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

    xiph/theora#22 · 1 comment ·

  • Crashes and errors when building for Windows X86-64 with asm optimizations (OC_X86_ASM)
    Open

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

    xiph/theora#21 ·

  • [SUGGESTION] Go neural
    Open

    Difficulty 5/5 Over a week Newbie friendliness 15/100

    xiph/theora#20 · 1 comment · 1 reaction ·

  • CMake build
    Open

    Difficulty 3/5 1-2 days Newbie friendliness 42/100

    xiph/theora#10 · 3 comments · 6 reactions ·

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