[github-actions]

🤖 I have created a release beep boop

4.0.0 (2026-10-06)

⚠ BREAKING CHANGES

• this enables AOT compilation by default, which might be unexpected, but will make our default operation much faster.

Features

• Allow URIs longer than 8192 bytes (#1585) (6ac66df)
• enable AOT by default (#1598) (dfcc17f)

Bug Fixes

• change zip extractor for wasmtime package (5a8886e)
• Ensure additions to headers in beforeSend are applied (#1600) (1ae9e5b)
• get documentation generation working again (#1595) (9e3f16b)
• handle potential NULL pointer dereference in debug logging (#1593) (1e5eb8b)
• npm audit fix (47ca0dc)
• reset pending unhandled promise rejection between requests (#1596) (f7d6c75)
• Reset StarlingMonkey timers between requests (#1597) (2b35d6f)

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[github-actions]

🤖 Release is at https://github.com/fastly/js-compute-runtime/releases/tag/v4.0.0 🌻

[briancarbone]

It's worth noting the AOT heap will handily blow the 100 MB limit when using some meta frameworks. A 20 MB binary with just Wizer can become 120 MB+ with Weval. Maybe Nightmonkey can help with that eventually.