Release v1.20260904.1 · cloudflare/workerd

What's Changed

workflows: add experimental subscribe support by @mkuritsu in #7087
Mark jsg::{Async}Generator visitable by @jasnell in #7213
Fix memory-cache/lib.rs to use try_update instead of fetch_update. by @dom96 in #7211
Update capnp-cpp to pick up Executor::isCurrent() by @danlapid in #7234
Next large chunk of streams consolidation tests and fixes by @jasnell in #7176
Make cppgc sweeping synchronous by @erikcorry in #7231
Fix validator internal error when getters throw by @taylorlee in #7224
Internal build for !7224 by @ketanhwr in #7233
[build] Disable unsupported tests under RBE, improve hermeticity by @fhanau in #7232
STOR-5489: Observe Durable Object fetch retry activity by @apeacock1991 in #7235
More streams test consolidation and gap filling by @jasnell in #7177
Revert "Merge pull request #7231 from cloudflare/erikcorry/cppgc-eager-sweeping" by @ObsidianMinor in #7237
tsan c++ and rust configurations by @mikea in #7214
Revert WebAssembly memory.discard support by @guybedford in #7221

Full Changelog: v1.20260903.1...v1.20260904.1