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Merged
kolkov merged 1 commit into from
Sep 6, 2026
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release: v0.12.25 #170

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10 changes: 9 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -9,9 +9,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

### Planned
- Look-around assertions
- ARM NEON SIMD support (Go 1.26 `simd/archsimd` intrinsics — [#120](https://github.com/coregx/coregex/issues/120))
- ARM NEON SIMD support ([#120](https://github.com/coregx/coregex/issues/120))
- SIMD prefilter for CompositeSequenceDFA (#83)

## [0.12.25] - 2026-09-06

### Changed
- **Go toolchain**: 1.25.4 → 1.27.1 — compiler improvements (known-bits dataflow,
LICM, switch-to-lookup-table), `simd/archsimd` fixes, Green Tea GC
- **CI**: job names no longer include Go version (stable branch protection),
golangci-lint v2.10 → v2.13, branch protection migrated to GitHub Rulesets

## [0.12.24] - 2026-08-22

### Changed
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2 changes: 1 addition & 1 deletion CONTRIBUTING.md
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Expand Up @@ -418,7 +418,7 @@ func BenchmarkMemchr(b *testing.B) {
- Check existing issues and discussions
- Read ROADMAP.md for project roadmap and progress
- Ask questions in GitHub Issues
- Reference implementation guides in `docs/dev/`
- Reference implementations: RE2 and rust-regex source code (see ROADMAP.md)

## Performance Expectations

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17 changes: 5 additions & 12 deletions ROADMAP.md
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Expand Up @@ -2,7 +2,7 @@

> **Strategic Focus**: Production-grade regex engine with RE2/rust-regex level optimizations

**Last Updated**: 2026-08-22 | **Current Version**: v0.12.24 | **Target**: v1.0.0 stable
**Last Updated**: 2026-09-06 | **Current Version**: v0.12.25 | **Target**: v1.0.0 stable

---

Expand Down Expand Up @@ -110,6 +110,8 @@ v0.12.23 ✅ → ahocorasick v0.3.0 (zero-alloc Find/FindAt API)
↓
v0.12.24 ✅ → deps: ahocorasick v0.3.1, x/sys v0.47.0
↓
v0.12.25 ✅ → Go 1.27.1 toolchain, CI modernization
↓
v1.0.0-rc → Feature freeze, API locked
↓
v1.0.0 STABLE → Production release with API stability guarantee
Expand Down Expand Up @@ -305,17 +307,8 @@ Cross-language benchmarks via [regex-bench](https://github.com/kolkov/regex-benc

## Research Documentation

All optimization research is documented:

| Document | Content |
|----------|---------|
| `docs/dev/research/RE2_SMALL_INPUT_OPTIMIZATION_ANALYSIS.md` | RE2 thresholds and strategies |
| `docs/dev/research/RUST_REGEX_SMALL_INPUT_OPTIMIZATION_ANALYSIS.md` | rust-regex analysis |
| `docs/dev/research/OPTIMIZATION_OPPORTUNITIES.md` | Comprehensive gap analysis with code examples |

Reference implementations available locally:
- `docs/dev/reference/re2/` - RE2 source code
- `docs/dev/reference/rust-regex/` - rust-regex source code
Optimization research based on RE2 and rust-regex reference implementations.
Covers thresholds, strategies, and comprehensive gap analysis with code examples.

---

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