v0.2.0

0.2.0 (2026-07-20)

Bug Fixes

• catch late repeated done callbacks (e21c22a)
• cover remaining late done callback cases (4c67385)
• drain late callback timers before TAP output (f2555e4)
• drain promise-scheduled callback timers (aaa5a9d)
• exclude unary calls from tail position (4d94044)
• gc: deduplicate mark graph traversal (2cae47b)
• harness: distinguish sparse holes in tape deepEqual (8de47b0)
• harness: use enumerable-key check for tape array-index comparison (dd9ea28)
• honor exotic Set in prototype-ignoring setters (9e874ee)
• honor Mocha only exclusivity in test harness (ab6f521)
• include receiver in readonly assignment error (3055920)
• intl: extend unpadded numeric hour to language-only es (811be61)
• intl: handle locale decimal separators for fractionalSecond (9899389)
• intl: localize DateTimeFormat output (9f482b5)
• intl: preserve es-ES numeric hour width (bb4a2f8)
• intl: preserve locale year width for dateStyle:short (d0d3f59)
• intl: preserve mixed DateTimeFormat field widths (8eeb62a)
• intl: preserve offset-name width in mixed DateTimeFormat patterns (4c7f8d7)
• intl: reject unknown IANA time zones (018af30)
• intl: un-pad es/es-ES numeric hour under timeStyle presets (82142f2)
• node-compat: buffer split StringDecoder input (f25da2e)
• node-shim: enforce TextDecoder encoding labels (5b2aaf9)
• parser: don't treat optional-chain property names as await identifiers (3c84349)
• preserve binary operands across GC (#311) (d1908b0)
• preserve lone surrogates in property keys (d80b41e)
• regexp: empty char class must match empty under zero-count quantifier (8c109aa)
• regexp: exclude negation marker from surrogate-range expansion (e51645c), closes #321
• regexp: preserve lone surrogates in string $N/$ substitution (a68bab3), closes #321
• regexp: preserve quantified empty v sets (c0c69d6)
• register test.only.each rows as focused tests (cc2b263)
• reject nonzero engine exit in the AJV library verdict (11a6750)
• reject nonzero engine exits in js-md5 verdict (ab3c921)
• reject nonzero exits in library verdicts (512f09c)
• reject repeated done callbacks in TAP harness (bd2c6a0)
• root array literal values across GC (0c29a84)
• root tagged template substitutions during evaluation (8dd24b8)
• run xdescribe callback so nested skipped tests register (ab41344)
• run xdescribe callback so nested skipped tests register (a0933eb)
• runtime: distinguish symbol property keys (3cdd45f)
• stop cyclic array joins exhausting call depth (c5b73fc)
• suppress tail calls for all unary forms (fed6640)
• unroot binary operands without dropping persistent GC roots (03df6fe)

Features

• add highlight.js compatibility harness (f9b1e0f)
• add PrismJS compatibility harness (ddcf201)
• implement per-realm Math.random PRNG (8423c31)