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egui/RELEASES.md

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Releases

Cadence

We don't have a regular cadence, but there is usually a new major release every two months or so.

Often a major release is followed by one or two patch releases within a week or two.

Versioning

All crates under the crates/ folder are published in lock-step, with the same version number. This means that we won't publish a new breaking change of a single crate without also publishing all other crates. This also means we sometimes do a new release of a crate even though there are no changes to that crate.

The only exception to this are patch releases, where we sometimes only patch a single crate.

The egui version in egui main is always the version of the last published crates. This is so that users can easily patch their egui crates to egui main if they want to.

Governance

Releases are generally done by emilk, but the rerun-io organization (where emilk is CTO) also has publish rights to all the crates.

Rust version policy

Our Minimum Supported Rust Version (MSRV) is always at least two minor release behind the latest Rust version. This means users of egui aren't forced to update to the very latest Rust version.

We don't update the MSRV in a patch release, unless we really, really need to.

Release process

Patch release

  • Make a branch off of the latest release
  • cherry-pick what you want to release
  • run cargo semver-checks

Optional polish before a major release

  • improve the demo a bit
  • see if you can make web demo WASM smaller
  • ./scripts/docs.sh: read and improve documentation of new stuff
  • cargo update
  • cargo outdated (or manually look for outdated crates in each Cargo.toml)

Release testing

  • cargo r -p egui_demo_app and click around for while
  • update eframe_template and test
  • update egui_plot and test
  • update egui_table and test
  • update egui_tiles and test
  • test with Rerun
  • ./scripts/check.sh
  • check that CI is green

Preparation

  • make sure there are no important unmerged PRs
  • run scripts/generate_example_screenshots.sh if needed
  • write a short release note that fits in a bluesky post
  • record gif for CHANGELOG.md release note (and later bluesky post)
  • update changelogs using scripts/generate_changelog.py --version 0.x.0 --write
  • bump version numbers in workspace Cargo.toml

Actual release

I usually do this all on the main branch, but doing it in a release branch is also fine, as long as you remember to merge it into main later.

  • Run typos
  • git commit -m 'Release 0.x.0 - <release title>'
  • cargo publish (see below)
  • git tag -a 0.x.0 -m 'Release 0.x.0 - <release title>'
  • git pull --tags ; git tag -d latest && git tag -a latest -m 'Latest release' && git push --tags origin latest --force ; git push --tags
  • merge release PR or push to main
  • check that CI is green
  • do a GitHub release: https://github.com/emilk/egui/releases/new
    • Follow the format of the last release
  • wait for documentation to build: https://docs.rs/releases/queue

cargo publish:

(cd crates/emath                && cargo publish --quiet)  &&  echo "✅ emath"
(cd crates/ecolor               && cargo publish --quiet)  &&  echo "✅ ecolor"
(cd crates/epaint_default_fonts && cargo publish --quiet)  &&  echo "✅ epaint_default_fonts"
(cd crates/epaint               && cargo publish --quiet)  &&  echo "✅ epaint"
(cd crates/egui                 && cargo publish --quiet)  &&  echo "✅ egui"
(cd crates/egui-winit           && cargo publish --quiet)  &&  echo "✅ egui-winit"
(cd crates/egui-wgpu            && cargo publish --quiet)  &&  echo "✅ egui-wgpu"
(cd crates/eframe               && cargo publish --quiet)  &&  echo "✅ eframe"
(cd crates/egui_kittest         && cargo publish --quiet)  &&  echo "✅ egui_kittest"
(cd crates/egui_extras          && cargo publish --quiet)  &&  echo "✅ egui_extras"
(cd crates/egui_demo_lib        && cargo publish --quiet)  &&  echo "✅ egui_demo_lib"
(cd crates/egui_glow            && cargo publish --quiet)  &&  echo "✅ egui_glow"

<continue with the checklist above>

Announcements

After release

  • publish new eframe_template
  • publish new egui_plot
  • publish new egui_table
  • publish new egui_tiles
  • make a PR to egui_commonmark
  • make a PR to rerun