Version 4.150.0 (Preview 2)

A maintenance preview that finalizes the v4 obsolete-API cleanup, removes .NET Interactive support, and refreshes HarfBuzz.

📦 NuGet · 📖 Release notes · 🔀 Full changelog

⚠️ Breaking Changes

• Promoted remaining pre-v4 obsolete APIs to errors and trimmed obsolete enums from the reference assembly by @ramezgerges (#4195)
• Removed deprecated .NET Interactive (Polyglot Notebooks) support by @mattleibow (#4186)

📦 Dependency Updates

• Updated HarfBuzz to 14.2.1 by @mattleibow (#4167)

Thanks to our contributors: @ramezgerges

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All changes (30 pull requests)

• Build Tizen native dependencies in a Docker container (#4154) by @mattleibow in #4157
• Update harfbuzz to 14.2.1 by @mattleibow in #4167
• Migrate test suite from xUnit v2 to xUnit v3 (#4139) by @mattleibow in #4143
• Unify API changelog + release-notes versioning via shared versions.json by @mattleibow in #4171
• release-notes: fix --all timeout and migrate all pages to the metadata block by @mattleibow in #4174
• [docs] Unify changelog + release-notes generation: stable rollups and local skia links by @mattleibow in #4177
• release-notes: restore in-flight -unreleased naming + per-preview rollup (R1/R2/R3) by @mattleibow in #4179
• docs: refresh Skia adoption claims with verified product list by @mattleibow in #4185
• Remove deprecated .NET Interactive (Polyglot Notebooks) support by @mattleibow in #4186
• Add Chromium release heads-up to the security-audit skill by @mattleibow in #4188
• [docs] Unify API-diff + release-notes into one agentic workflow by @mattleibow in #4184
• [infra] Move release-notes Prepare into its own job (verbose, disk-managed, artifact handoff) by @mattleibow in #4193
• Update docs submodule to latest main by @github-actions[bot] in #3919
• docs: generate frameworks docs from output/nugets, latest-only monikers by @mattleibow in #4192
• Fix docs.cake moniker collision dropping iOS GL API docs by @mattleibow in #4197
• Make API-diff changelog generation host-independent + regenerate 4.147/4.148/4.150 changelogs by @mattleibow in #4196
• [v4] Promote remaining pre-v4 obsoletes to error and trim obsolete enums from the ref assembly by @ramezgerges in #4195
• Make doc generation reproducible and Linux-only; unify "API diff" terminology by @mattleibow in #4200
• Improve api-docs skill to prevent recurring doc-writer mistakes by @mattleibow in #4204
• Sync VERSIONS.txt with harfbuzz 14.2.1 by @mattleibow in #4214
• Add VERSIONS.txt step to the native-dependency-update skill by @mattleibow in #4215
• Fix release-branch skill integration-branch model and add bump-version helper by @mattleibow in #4211
• [api-docs] Stop merge from writing unfilled remarks scaffold to XML by @mattleibow in #4218
• [docs] Release-notes: main-only daily workflow + GitHub Release teaser playbook by @mattleibow in #4207
• Add mono/skia counterpart branching to release-branch skill by @mattleibow in #4220
• Fix integration test harness for .NET 10 by @mattleibow in #4221
• [docs] Regenerate API diffs and polish release notes by @github-actions[bot] in #4224
• docs: drop obsolete GrVkYcbcrConversionInfo page to fix Learn xref collision by @mattleibow in #4225
• [docs] docs: regenerate API diffs and polish release notes by @github-actions[bot] in #4231
• Update docs submodule to latest main by @github-actions[bot] in #4234