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Bun AOT Regression: Build Plugin Modules Added as Entry Points

  1. Investigating(current)
  2. Trending(upcoming)
  3. Workaround available(upcoming)
  4. Resolved(upcoming)

Executive summary

An AOT regression introduced in Bun canary builds causes build plugin modules to be incorrectly added as entry points, causing builds to fail. Users on affected canary versions are experiencing build failures.

No verified workaround yet

None of the linked reports describe a mitigation. Follow this incident to hear when one appears.

Official fix
Technical root cause

Build plugin modules are being added as entry points in the AOT build process.

Evidence

1 report · 1 GitHubShow
  1. [1]
    GitHub First report
    AOT regression since 1.4.4-canary.20261108.1: build plugin modules are added as entry points(opens GitHub issue in a new tab)

    What version of Bun is running? 1.4.4-canary.1+98cda0d8b What platform is your computer? Darwin 25.6.0 x86_64 i386 What steps can reproduce the bug? This is a canary regression. The same project and the same source build on one canary and fail on the next. A standalone, framework-free reproduction repository is public: TiBianMod/bun-aot-build-plugin-entry-point. git clone https://github.com/TiBianMod/bun-aot-build-plugin-entry-point.git cd bun-aot-build-plugin-entry-point ./repro.sh 1. Canary…

    by TiBianMod 0upvotes 0comments

Timeline

  1. First report on GitHub issue

    AOT regression since 1.4.4-canary.20261108.1: build plugin modules are added as entry points

    Source