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regex-tools/CHANGELOG.md

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# Changelog
## Unreleased
## 0.4.0 — 2026-07-27
- Expand the workbench from four to twelve selectable execution profiles:
JavaScript/ECMAScript, standalone PCRE2, PHP, Perl, Python, Ruby, Java, C++,
Go, Rust, .NET and Scala/JVM compatibility.
- Add actual PHP 8.5.8 `preg_*` execution through the self-hosted
`@php-wasm/web-8-5` 3.1.46 runtime. Preserve native UTF-8 byte ranges and
identify PHP's embedded PCRE2 as 10.44, independently of the standalone
PCRE2 10.47 pack.
- Add actual Perl 5.28.1 execution through unmodified WebPerl 0.09-beta assets
as an explicitly legacy beta profile. Pass user values through a fixed
data-only JSON request, stream pre-tokenized bounded replacement output into
a separately verified MEMFS binary file, disable runtime regex evaluation,
reject code assertions and retain the upstream loader's dormant
interoperability `eval` site as a documented CSP caveat.
- Add actual CRuby 4.0.0 `Regexp` execution through a minimal ruby.wasm
2.9.3-2.9.4 pack. Native `String#gsub`/`String#sub` block iteration drives a
fixed byte-bounded CRuby-compatible replacement expander. Use separate
worker-local WASI request/output files and metadata-only inert JSON instead
of output escaping or ruby.wasm's JavaScript-eval object conversion; reject
lossy lone-surrogate requests and pass the strict-CSP browser gate.
- Add Emscripten 6.0.4 libc++ `std::wregex` execution with the modified
ECMAScript default grammar, alternate standard grammars and a build
configured with dynamic execution disabled. Stream a fixed bounded
replacement formatter through the byte cap and verify its grammar against
libc++ at load.
- Add Go 1.26.5 standard-library `regexp` and Rust `regex` crate 1.13.1
execution, preserving their native UTF-8 byte ranges and non-backtracking
semantics. Use bounded streaming replacement expanders that are
differentially checked against `Regexp.ExpandString` and
`Captures::expand`, with predictable base64 output transport. Measure exact
encoded request bytes and reserve native JSON limits for worst-case escaping
so control-heavy inputs retain the documented decoded limits.
- Add .NET 10.0.10 `System.Text.RegularExpressions` in browser WebAssembly,
with invariant-culture execution, native UTF-16 ranges and a bounded native
regex timeout inside the killable worker. Stream bounded replacement tokens
without materializing `Match.Result`, verify token semantics against native
.NET at load, and transport output as bounded base64-encoded UTF-8.
- Add an explicitly labelled Scala/JVM compatibility profile backed by the
verified TeaVM 0.15.0 `java.util.regex` engine. No Scala runtime, Scala
wrapper API or OpenJDK runtime is claimed.
- Add partial application-owned lexical syntax and replacement providers,
flavour-specific quick-reference content and capability labels for the eight
new profiles while keeping each real runtime authoritative.
- Add deterministic, closed-file-set runtime packs, checksums, licences,
notices, exact toolchain/source identities and release verification for the
new self-hosted engines.
- Close the existing Pyodide pack's full base-runtime provenance: exact
primary archive or Git tree identities, vendored JavaScript-port hashes,
CPython/Emscripten patch and recipe hashes, a preferred-form HACL* route,
independently anchored notices, and executable identity checks for the
linked compression/database/parser components.
- Transport bounded Python replacement output as canonical base64 with strict
declared-length, request-cap and UTF-8 validation instead of
content-dependent JSON escaping.
- Close the PHP pack's complete native/source/legal inventory with exact
package, binary, build-recipe, archive and Git identities; independently
pin 38 legal assets; audit linked component versions; and explicitly exclude
the GMP, libsodium, tidy, ICU/intl, FreeType, ImageMagick and adjacent AOM
false-positive or unshipped detections.
- Bound retained heavyweight workers with least-recently-used eviction so
selecting many profiles does not leave every runtime resident.
## 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.