Upgrade from TeX Live 2025 to 2026

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#312 11 comments 4 reactions 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
55/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Quiet
Tech stack
docker, latex

Research direction

Start by locating the Dockerfile that builds the pandoc/extra:debian-latest image and inspect how TeX Live is installed and versioned. Rebuild the image with TeX Live 2026, then run tlmgr update --self in the image to confirm the cross-release error is gone.

Written by the indexing model from the issue text.

Description

When running tlmgr update --self in pandoc/extra:debian-latest you get an error because there seems to be a new version of tlmgr:

tlmgr: Local TeX Live (2025) is older than remote repository (2026).
Cross release updates are only supported with
update-tlmgr-latest(.sh/.exe) --update
See https://tug.org/texlive/upgrade.html for details.

The update-tlmgr-latest.sh script does not exist in the image and https://tug.org/texlive/upgrade.html says you should do a fresh install. So I guess the docker images need to be rebuild with the 2026 version.

Dominant language
Dockerfile
Stars
439
Forks
107
PR merge metrics
No merged PRs in 30d

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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