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xs["0"] reads undefined on a string-valued receiver whose declared type is an array

Status: Open.

#7891 In PerryTS/perry;

· proggeramlug opened on Aug 11, 2026

gc: restore a safe old-generation defragmentation rewrite contract; production compaction is disabled

bugConfirmed defect or regressionConfirmed defect or regression

performanceRuntime, compile-time, build-size, or memory performanceRuntime, compile-time, build-size, or memory performance

Status: Open.

#7876 In PerryTS/perry;

· proggeramlug opened on Aug 11, 2026

gc: js_string_concat_box is missing from POLL_CAPABLE_RUNTIME, blinding moving root-dominance arms

bugConfirmed defect or regressionConfirmed defect or regression

toolingDeveloper tooling, CI, tests, or release infrastructureDeveloper tooling, CI, tests, or release infrastructure

Status: Open.

#7872 In PerryTS/perry;

· proggeramlug opened on Aug 11, 2026

The #7850 probe family has moved to the property-get IC-miss tail: get_field_by_name_tail probes 4 registries before reading the GcHeader it then switches on (1.8% of pipeline_big)

Status: Open.

#7867 In PerryTS/perry;

· proggeramlug opened on Aug 11, 2026

umbrella: a local binding's type/kind proof is not invalidated by assignment and is not validated against the runtime value (#7700, #7796, #7837, #7844)

Status: Open.

#7846 In PerryTS/perry;

· proggeramlug opened on Aug 11, 2026

gc-ratchet: 7 gating rows red on main since 0.5.1451 — and 04_dead_after_deep_stack / 11_collect_at_depth are NOT among them

Status: Open.

#7843 In PerryTS/perry;

· proggeramlug opened on Aug 11, 2026

Question: is an embedded JS engine (the v8 crate, formerly rusty_v8) settled against, and where is that written down?

Status: Open.

#7813 In PerryTS/perry;

· jdalton opened on Aug 10, 2026

gc: zod dep-corpus under PERRY_GC_SCHEDULE_RATE=1 with the quarantine OFF dies with a rooting-shaped TypeError (seed 1, safepoint 3319)

bugConfirmed defect or regressionConfirmed defect or regression

Status: Open.

#7803 In PerryTS/perry;

· proggeramlug opened on Aug 10, 2026

gc: the seeded schedule never arms the poll word — SCHEDULE_RATE=1 sees 6 safepoints where zeal sees 9,648 (blocks #7741)

bugConfirmed defect or regressionConfirmed defect or regression

Status: Open.

#7781 In PerryTS/perry;

· proggeramlug opened on Aug 10, 2026

repsel-census red on main: for (const r of rows) no longer licenses element-shape facts (fixture_ptr_shape_elements 0/3)

bugConfirmed defect or regressionConfirmed defect or regression

Status: Open.

#7777 In PerryTS/perry;

· proggeramlug opened on Aug 10, 2026

iOS: scrolling a UIStackView in a UIScrollView while mutating labels aborts with 'insertObject:atIndex:: object cannot be nil'

Status: Open.

#7763 In PerryTS/perry;

· proggeramlug opened on Aug 10, 2026

perf(gc): whole-block in-place promotion — kill the ~243 ns/object promotion tax on a fully-live nursery

performanceRuntime, compile-time, build-size, or memory performanceRuntime, compile-time, build-size, or memory performance

Status: Open.

#7742 In PerryTS/perry;

· proggeramlug opened on Aug 10, 2026