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v0.27.0 — Platform Parity, Performance & Lock Splitting

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@mike-ward mike-ward released this 18 Jun 13:17
· 5 commits to main since this release
Immutable release. Only release title and notes can be modified.
v0.27.0
1f270c8

Added

  • Platform parity: Save/Discard/Cancel close confirmations for unsaved changes, plus Windows system tray icon support.
  • Dialog quit guard: quit requests are trapped when a modal dialog is visible, preventing accidental app termination.
  • Tooling spec: automated linting, license checking, Renovate dependency management, and coverage reporting integrated into CI.
  • CI hardening: race detector enabled, caching and cache-key rotation, deduplication, 800-line file-size gate, deadcode detection, go mod tidy check, fuzz-crash detection, and security scans (gosec).
  • Shared native-platform glue: App native integration tests and extracted platform abstraction for backend consistency.

Changed

  • Performance: eliminated hot-path heap allocations across layout calculation, gesture hit-testing, render command generation, and event dispatch. Two-pass allocation scrub.
  • Lock splitting: animation lock separated from layout lock; w.mu scope narrowed to reduce contention.
  • GPU backend consolidation: shared gpu package for vertex types and draw code reused across Metal, OpenGL, and SDL2 backends.
  • Large-file refactoring: 14 files over 800 lines split into 32 focused files; datagrid dot-imports removed; markdown fetcher uses dependency injection.
  • Dependencies: go-glyph bumped to v1.10.0, golangci-lint to v2.12, GitHub Actions to latest major versions.
  • Test parallelization: tests now run concurrently; per-package coverage floors enforced in CI.

Fixed

  • macOS: NSApp activated before window creation, fixing focus issues on launch.
  • DataGrid: scroll position read from correct state map; UpdateView no longer clears idFocus on full rebuild.
  • SVG: arcToCubic guarded against coincident endpoints (NaN from Inf*0/1).
  • GPU: gpu.Vertex struct literals use keyed fields across all backends.
  • Web backend: removed unused syscall/js import; restored strconv import.
  • Build tags: drift corrected across source files and CHANGELOG.
  • Animation: map data races fixed under concurrent access.
  • Windows: __ms_vsscanf compat shim for MinGW GCC 15+; static builds and DLL alignment hardened; CI smoke test added.
  • Security: 242 gosec issues resolved; G204 false positives suppressed on exec.Command calls; privacy audit and resource caps applied.
  • CI: various workflow fixes — golangci-lint install path, tidy-check ordering, generate-check path/scope, coverage subshell, fuzz timeout.

Docs

  • WebGPU backend documented as explored and rejected (2026-06).
  • Roadmap updated with new features and Phase 2 progress.
  • README, CONTRIBUTING, and docs trimmed of fluff.
  • Dependencies.md regenerated; depsdoc generator added.
  • Async DataGrid and custom shader cookbooks added.
  • Platform matrix, form validation patterns, time-travel example test documented.
  • Godoc improved on core types; subpackage analysis and widget cookbook added.
Assets 3
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