What's Changed

• Fix lowercase letter in EXPERIMENTAL_ANNOTATION_ID by @ryanking13 in https://github.com/cloudflare/workerd/pull/7755
• Account for pumped bytes in RPC stream EOF bookkeeping by @jasnell in https://github.com/cloudflare/workerd/pull/7754
• Fix sanitizer CI annotations and timing-sensitive tests by @floitsch in https://github.com/cloudflare/workerd/pull/7760
• Give the wrapper allocation regression a suitable budget by @floitsch in https://github.com/cloudflare/workerd/pull/7761
• Give metadata and RPC stream suites a suitable debug budget by @floitsch in https://github.com/cloudflare/workerd/pull/7762
• Keep Pyodide's compiled Wasm module alive across isolates by @floitsch in https://github.com/cloudflare/workerd/pull/7706
• [o11y] Make sure that exceptions are reported for the right request in actors by @fhanau in https://github.com/cloudflare/workerd/pull/7578
• Test and cleanup of reading steps by @jasnell in https://github.com/cloudflare/workerd/pull/7750
• Pin three tee() and detach divergences by @jasnell in https://github.com/cloudflare/workerd/pull/7752
• Pin where closed settles at a native body's end by @jasnell in https://github.com/cloudflare/workerd/pull/7763
• [nfc] Support strip_prefix for git repos in update script by @fhanau in https://github.com/cloudflare/workerd/pull/7777

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20261015.1...v1.20261016.1