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v0.3.0
regex-tools/CHANGELOG.md

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Changelog

Unreleased

0.3.0 — 2026-07-27

  • Add a self-hosted Pyodide 314.0.3 worker containing CPython 3.14.2 re, with runtime identity verification, bounded compilation/matching/replacement and exact code-point-to-editor-UTF-16 range normalization.
  • Add TeaVM 0.15.0's java.util.regex class-library implementation as a verified self-hosted ES module, with bounded Pattern/Matcher execution, native replacement and exact UTF-16 ranges.
  • Identify the Java engine as TeaVM class-library code rather than OpenJDK and report its documented UNICODE_CHARACTER_CLASS, single-digit replacement and unavailable named-replacement compatibility boundaries.
  • Add partial application-owned Python and Java lexical syntax and replacement providers while keeping the selected runtime compiler authoritative.
  • Separate heavyweight engine loading from the per-request execution deadline, retain worker recovery after timeout/crash/cancellation and keep every runtime local to the release.
  • Add flavour-specific quick reference and capability content for all four executable engines.
  • Keep comparison, generated cases, code generation, minimization, analysis and formatting behind their explicitly verified ECMAScript/PCRE2 boundaries; Python and Java are never routed through another flavour as a fallback.
  • Extend deterministic engine-pack provenance, checksums, licence notices, release verification and nested-path delivery checks to the Python and Java runtime assets.

0.2.0 — 2026-07-27

  • Open Quick reference and Capabilities as populated, accessible in-viewport dialogs with keyboard dismissal, focus handling and explicit empty states.
  • Add flavour-neutral version, flag, option and execution-worker registries and expose only the ECMAScript and fully wired PCRE2 runtimes.
  • Validate flavour/version/options consistently across workbench requests, projects and test suites, including legacy schema-v1 identities.
  • Add a production local-first Corpus / Apply workspace with bounded UTF-8 multi-file and pasted-text input, sequential killable worker jobs, progress, cancellation, explicit whole-document/independent-line semantics, preserved line separators, bounded capture extraction and replacement previews, per-document exact/partial summaries, content-free JSON/CSV/NDJSON reports and privacy-gated exact-output downloads and bounded ZIP export.
  • Keep corpus content and results ephemeral: project schema v1 stores only the selected workspace mode and rejects injected corpus payloads.
  • Add a deterministic, offline PCRE2 10.47 WebAssembly runtime with pinned source/toolchain identities, provenance, licences and checksums.
  • Add bounded PCRE2 compile, match and native-substitution ABI calls with match/depth/heap caps, copied caller-owned records, cleanup on every exit, UTF-8-to-UTF-16 range normalization and lone-surrogate rejection.
  • Run PCRE2 in a dedicated killable/recoverable worker, expose its real flavour-specific flags and options, and add lexical syntax/replacement coverage, official quick reference, conformance and browser tests.
  • Add an ABI-v3 PCRE2 automatic-callout operation with caller-owned event and mark buffers, dual event/byte caps, native truncation stop, exact UTF-8 and UTF-16 positions, a separate killable worker and a bounded viewer that keeps reported fields distinct from derived movement labels.
  • Add ECMAScript-scoped advisory static risk diagnostics plus cancellable bounded growth probes and cold/warm native-engine benchmarks with median/p95, separate timing/outcome plots, runtime identity and strict input/output/wall limits.
  • Add an ECMAScript/PCRE2 comparison orchestrator with exact per-side requests, independent worker timeout outcomes, normalized-range match/capture alignment, replacement differences and explicit non-comparable states.
  • Add a reviewed PCRE2 10.47 8-bit C17 generator with exact UTF-8 byte arrays, native/host limits, error handling, deterministic source identities and compile/execute golden gates against the named toolchain.
  • Add deterministic, cancellable failing-subject minimization for saved-test failures, capture ranges, exact engine timeouts and ECMAScript/PCRE2 mismatches, with real-worker verification, explicit budgets and honest transform-local minimality.
  • Add deterministic, seed-addressed ECMAScript positive/negative case generation from the normalized AST, with bounded synthesis, actual-engine verification, explicit unsupported coverage, cancellable workers and provenance-preserving unit-test integration.
  • Add an idempotent grammar-backed ECMAScript literal/control formatter with an exact preview, separate source/candidate syntax and engine workers, capture shape checks, applicable unit-test replay, explicit inconclusive states and a mandatory confirmation before apply.

0.1.0 — 2026-07-24

  • Added the open-source ECMAScript 2025 syntax provider using regexpp 4.12.2.
  • Added native browser RegExp execution in a killable, recoverable worker.
  • Added deterministic explanation and actual extraction trees.
  • Added exact capture indices, synchronized highlighting and bounded captures.
  • Added replacement, list/extraction and unit-test workspaces.
  • Added project import/export, optional local persistence and privacy controls.
  • Added resource limits, real timeout termination and recovery tests.
  • Added Toolbox SDK integration and deterministic release packaging.