Issues

perry/thread: spawn closure capturing an async-fn local array sees it as empty (length 0)

#6520

· proggeramlug opened

on Jul 17, 2026

JSON.stringify throws circular-structure TypeError for URL nested inside an object/array (runtime walker ignores URL toJSON)

#6519

· proggeramlug opened

on Jul 17, 2026

Audit: remaining raw (*arr).length readers that skip clean_arr_ptr (forwarding-chain family of #6486)

#6518

· proggeramlug opened

on Jul 17, 2026

buffer+len native param: Uint8Array view over an ArrayBuffer resolves to the wrong data pointer (silent corruption; standalone arrays fine)

#6515

· proggeramlug opened

on Jul 17, 2026

[perf regression] 0.5.1260 routes `Math.`-result multiplies through a re-coercing boxed multiply-helper instead of inline `fmul` (~1.45x on sqrt(x)sin(y))

#6511

· dlee opened

on Jul 17, 2026

GC layout fast path skips pointer slots at index ≥ 49 on SIDE_MASK objects (trace + root scans)

#6495

· proggeramlug opened

on Jul 16, 2026

flaky: capture-bearing class factory reports .name === undefined on some builds (build-nondeterministic)

#6482

· proggeramlug opened

on Jul 16, 2026

next-intl bare / (no cookie, no Accept-Language) drops the response (000) + leaks the request → server death

#6479

· proggeramlug opened

on Jul 16, 2026

Concurrency race: Next.js byte-stream pull runs before Flight state is ready (null.byteLength)

#6477

· proggeramlug opened

on Jul 16, 2026

methods inherited via Object.setPrototypeOf(obj, proto) run with this=undefined — effect Pipeable/Tag statics return the wrong pipe stage (blocks web.ts, 'Not a valid effect: undefined')

#6475

· proggeramlug opened

on Jul 16, 2026

perf: eliminate fixed runtime bloat from minimal native binaries

#6468

· TheHypnoo opened

on Jul 16, 2026

class declarations in function bodies share one class across evaluations — effect's makeException masks every error as TimeoutException

#6465

· proggeramlug opened

on Jul 16, 2026

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All issues

perry/thread: spawn closure capturing an async-fn local array sees it as empty (length 0)

JSON.stringify throws circular-structure TypeError for URL nested inside an object/array (runtime walker ignores URL toJSON)

Audit: remaining raw (*arr).length readers that skip clean_arr_ptr (forwarding-chain family of #6486)

buffer+len native param: Uint8Array view over an ArrayBuffer resolves to the wrong data pointer (silent corruption; standalone arrays fine)

[perf regression] 0.5.1260 routes `Math.`-result multiplies through a re-coercing boxed multiply-helper instead of inline `fmul` (~1.45x on sqrt(x)sin(y))

GC layout fast path skips pointer slots at index ≥ 49 on SIDE_MASK objects (trace + root scans)

flaky: capture-bearing class factory reports .name === undefined on some builds (build-nondeterministic)

next-intl bare / (no cookie, no Accept-Language) drops the response (000) + leaks the request → server death

Concurrency race: Next.js byte-stream pull runs before Flight state is ready (null.byteLength)

methods inherited via Object.setPrototypeOf(obj, proto) run with this=undefined — effect Pipeable/Tag statics return the wrong pipe stage (blocks web.ts, 'Not a valid effect: undefined')

perf: eliminate fixed runtime bloat from minimal native binaries

class declarations in function bodies share one class across evaluations — effect's makeException masks every error as TimeoutException

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