Issues

• goccia:test's report cannot be muted when the testing library is installed module-only, so GocciaRunner --output=json prints it ahead of the JSON envelope

  bugruntime
  frostney/GocciaScript#1995 · Filter by author frostney opened on Oct 31, 2026

• After a forced collection has refused a request, a same-size request is refused without collecting, even when the program has since dropped what was live

  enginequestion
  frostney/GocciaScript#1990 · Filter by author frostney opened on Oct 31, 2026

• In a loop body containing an await, an unused temporary register keeps an object reachable after its last use

  bugengine
  frostney/GocciaScript#1989 · Filter by author frostney opened on Oct 31, 2026

• A script's top-level let or var keeps its initializer reachable after the binding is reassigned

  bugengine
  frostney/GocciaScript#1988 · Filter by author frostney opened on Oct 31, 2026

• Type-only import and export specifiers reject a reserved word as the module export name, such as { type default as T }

  bugspec compliance
  frostney/GocciaScript#1950 · Filter by author frostney opened on Oct 28, 2026

• goccia:ast expression view: report type annotation, type argument and type parameter ranges, recorded by the parser before erasure

  new featureruntime
  frostney/GocciaScript#1929 · Filter by author frostney opened on Oct 27, 2026

• goccia:ast expression view: report variable declarators, object-pattern properties, labels, match patterns and JSX attributes and text as nodes

  new featureruntime
  frostney/GocciaScript#1928 · Filter by author frostney opened on Oct 27, 2026

• On Windows, console.log to an interactive console prints characters outside the console's code page as ?

  bugos specificruntime
  frostney/GocciaScript#1890 · Filter by author frostney opened on Oct 22, 2026 · 0.16.0

• Decorators on private fields and private auto-accessors use public names or get no accessor

  bugengine
  frostney/GocciaScript#1869 · Filter by author frostney opened on Oct 22, 2026

• Private methods are missing on an array, Map or String object a base constructor returns

  bugenginespec compliance
  frostney/GocciaScript#1868 · Filter by author frostney opened on Oct 22, 2026

• A private method throws after Object.setPrototypeOf changes its instance's prototype

  bugenginespec compliance
  frostney/GocciaScript#1867 · Filter by author frostney opened on Oct 22, 2026

• Two classes from the same class expression cannot both add a private field to one returned object

  bugenginespec compliance
  frostney/GocciaScript#1866 · Filter by author frostney opened on Oct 22, 2026

• A collection costs a whole-heap pass per link of a WeakMap chain whose values hold the next key

  engineperformance
  frostney/GocciaScript#1860 · Filter by author frostney opened on Oct 22, 2026

• URL: special-scheme hosts skip IDNA processing (UTS #46) and IPv4/IPv6 canonicalisation

  spec compliance
  frostney/GocciaScript#1822 · Filter by author frostney opened on Oct 19, 2026

• A job left in the microtask queue runs after its engine is freed

  bugengine
  frostney/GocciaScript#1821 · Filter by author frostney opened on Oct 19, 2026

• TextDecoder.prototype.decode ignores its options argument: no stream mode, and the TextDecodeOptions conversion never runs

  bugruntimespec compliance
  frostney/GocciaScript#1782 · Filter by author frostney opened on Oct 18, 2026

• GC-stress run: tests fail only under the GC-stress build

  bugengine
  frostney/GocciaScript#1777 · Filter by author github-actions opened on Oct 18, 2026
  1

• FileUtils.Test names its temp directory from Random alone, so concurrent runs can share it and the symlink cases fail

  internal
  frostney/GocciaScript#1715 · Filter by author frostney opened on Oct 16, 2026

• A real-mode timer always wins a race against an Atomics.waitAsync timeout, whatever the two delays, although ADR 0113 says waitAsync is polled first

  bugruntime
  frostney/GocciaScript#1703 · Filter by author frostney opened on Oct 15, 2026

• FPC 3.2.2 at -O2 and above calls a virtual method through the wrong pointer when an inline function returns an object read from a threadvar

  internal
  frostney/GocciaScript#1699 · Filter by author frostney opened on Oct 15, 2026
  3

• Binding a callable Proxy gives a function with the wrong prototype, so .call and .apply are undefined on it

  runtimespec compliance
  frostney/GocciaScript#1693 · Filter by author frostney opened on Oct 15, 2026

• A species constructor that returns an out-of-bounds typed array is accepted by subarray and every other multi-argument species call, where ECMA-262 requires a TypeError

  runtimespec compliance
  frostney/GocciaScript#1692 · Filter by author frostney opened on Oct 15, 2026

• Source-type detection follow-ups: a host that forgets the settled goal runs a Module as a Script silently, the CLI cannot ask for detection, and .cjs/.tsx entries are undocumented

  documentationengine
  frostney/GocciaScript#1690 · Filter by author frostney opened on Oct 15, 2026
  2

• No CI job resolves a host name through the system resolver on macOS, so a macOS regression in fetch name resolution would pass CI

  internalos specific
  frostney/GocciaScript#1688 · Filter by author frostney opened on Oct 15, 2026
  1

• Number, Array and Date toLocaleString throw "Intl is not defined" after delete globalThis.Intl

  bugengine
  frostney/GocciaScript#1680 · Filter by author frostney opened on Oct 14, 2026