Commits

Commits on Aug 25, 2026

Compiled executables: prefetch the startup bytecode on a cold start (#40407)
sosukesuzuki
authored
adc354d
fetch/S3: one high-water-mark rule for response-body backpressure; Bun.write(dest, response) streams to disk (#39690)

authored
e4c2af4
Upgrade WebKit to 8c4fd56347 (#40276)
robobun
authored
11fb730
test: pull five batch-flaky files out of the parallel batch (#40419)
dylan-conway
authored
2c10950
Remove dead code from the WebSocket client, ncrypto, bun_core, and misc JSC bindings (#40413)
robobun
authored
023e84a
bun:test: reject a non-finite now in useFakeTimers (#40414)
robobun
authored
2f1dd37
semver: fix 8-byte non-inlinable strings and cursor-relative tag offsets (#40406)
dylan-conway
authored
d8477b1
Add jsc-exception-lint and fix the missing exception checks it finds (#40410)

robobun
and
autofix-ci[bot]
authored
e3bd3e4
mimalloc: free(NULL) before the allocator initializes no longer faults (glibc 2.44 startup crash) (#40409)
Jarred-Sumner
authored
4763307
uws: end the 101 of an upgrade without the HTTP close gate (#40305)
robobun
authored
0823e50
install: give each manifest cache write its own temporary file (#40377)
robobun
authored
7ca1236
Give borrowed string bytes a lifetime (Utf8Bytes<'a>, EncodedSlice<'a>) (#40374)
dylan-conway
authored
3e8b2e6
tls: do not fail a pending write when the peer half-closes cleanly (#40384)

authored
bdf4738
fetch: pool keep-alive connections for requests with checkServerIdentity (#40391)
Jarred-Sumner
authored
4d62789

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Commits

Commits on Aug 25, 2026

Compiled executables: prefetch the startup bytecode on a cold start (#40407)

fetch/S3: one high-water-mark rule for response-body backpressure; Bun.write(dest, response) streams to disk (#39690)

Upgrade WebKit to 8c4fd56347 (#40276)

test: pull five batch-flaky files out of the parallel batch (#40419)

Remove dead code from the WebSocket client, ncrypto, bun_core, and misc JSC bindings (#40413)

bun:test: reject a non-finite now in useFakeTimers (#40414)

semver: fix 8-byte non-inlinable strings and cursor-relative tag offsets (#40406)

Add jsc-exception-lint and fix the missing exception checks it finds (#40410)

mimalloc: free(NULL) before the allocator initializes no longer faults (glibc 2.44 startup crash) (#40409)

uws: end the 101 of an upgrade without the HTTP close gate (#40305)

install: give each manifest cache write its own temporary file (#40377)

Give borrowed string bytes a lifetime (Utf8Bytes<'a>, EncodedSlice<'a>) (#40374)

tls: do not fail a pending write when the peer half-closes cleanly (#40384)

fetch: pool keep-alive connections for requests with checkServerIdentity (#40391)

Commits on Aug 24, 2026

bun:test: make performance.timeOrigin follow the fake clock (#40104)

node:fs: reject the promise instead of throwing when a path is too long for any syscall (#38383)

worker_threads: use the intrinsic MessagePort and MessageChannel, not the mutable globals (#40271)

Throw RangeError instead of crashing when toMatchObject recurses too deep (#40363)

completions: report missing PowerShell completions instead of crashing on posix (#40359)

node:assert: compare constructors like node in deepStrictEqual, not [[Prototype]] identity (#40131)

mimalloc: one heap delete/destroy teardown protocol (oven-sh/mimalloc#27) (#40138)

Compiled executables: alias embedded bytecode instead of copying it; smaller, page-friendly bytecode (WebKit#494) (#40201)

sql(postgres): parse timestamptz text components instead of Date.parse (#35505)

net: keep the handle reading while a socket is paused, like node (#39830)

Handle Start::Err variant in Blob.get_writer and FileSink.start (#28497)

Don't jsCast a string-like value to JSString after an is_string() check (#40287)

Lay out the --compile module graph in load order (#40274)

node: stop after a JS throw in HTTPParser callbacks, X509 getters, Buffer.from(BigInt64Array), structured-clone deserialize (#40247)

structuredClone/postMessage: keep string constant pool JSStrings alive during deserialization (#40272)

Make bun_core::String own its WTF ref (#40238)

repl: do not enumerate index properties when computing completions (#40282)

Remove redundant exception checks that follow already-checked calls (#40251)

bun run: leave Ctrl+C to the script and report its exit (Windows CTRL_C_EVENT, --shell=bun SIGINT) (#39729)

Commits on Aug 23, 2026

test(heapStats-mimalloc): read VM tags from the kernel instead of vmmap labels (#40044)

Response(asyncIterable): do not write the value of a done iterator result (#40216)

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Commits on Aug 25, 2026

Commits on Aug 24, 2026

Commits on Aug 23, 2026