What's Changed
- Revert removal of Video Recorder by @nohwnd in #15336
- Speed up blame by filtering non-.NET processes from dump collection by @nohwnd in #15518
- Add README.md to NuGet packages by @nohwnd in #15550
- Report child process info on connection timeout by @nohwnd in #15603
Changes to tests and infra
- Brand as 18.6 by @nohwnd in #15423
- Upgrading code coverage version to 18.5.1, by @fhnaseer in #15422
- Updating System.Collections.Immutable to 9.0.11 by @MSLukeWest in #15425
- Fix attachVS when used for debugging integration tests by @nohwnd in #15451
- Replace dotnet.config, with global.json by @nohwnd in #15449
- Document debugging integration tests with AttachVS by @Copilot in #15452
- Fix stack overflow tests by @nohwnd in #15461
- Make TestAssets.sln buildable locally by @Youssef1313 in #15466
- Try filtering out tests by @nohwnd in #15463
- Build just once when tfms run in parallel by @nohwnd in #15465
- Review simplify compatibility sources, deduplicate tests by @nohwnd in #15472
- Cleanup dead TRX code by @Youssef1313 in #15474
- Update .NET runtimes to 8.0.25, 9.0.14, and 10.0.4 by @nohwnd in #15481
- Compat matrix checker by @nohwnd in #15480
- Add trx analysis skill by @nohwnd in #15486
- Split integration tests to single tfm and multi tfm project by @nohwnd in #15484
- Update matrix by @nohwnd in #15477
- Break infinite restore loop in VS by @nohwnd in #15503
- Use global package cache for build, and local for running integration tests by @nohwnd in #15500
- Update contributing by @nohwnd in #15505
- Reduce test wall-clock time by increasing minThreads by @drognanar in #15502
- Indicator flakiness by @nohwnd in #15513
- Fix ci build by @nohwnd in #15515
- Fix thread safety issues by @Evangelink in #15512
- Optimize DotnetSDKSimulation_PostProcessing test (163s → 61s) by @nohwnd in #15516
- Build isolated test assets for single TFM instead of 7 by @nohwnd in #15517
- Remove unused dependencies from Library.IntegrationTests by @nohwnd in #15527
- Remove printing _attachments content to console by @nohwnd in #15520
- Add Linux/macOS test filtering guide to CONTRIBUTING.md by @nohwnd in #15521
- Change integration test parallelization from ClassLevel to MethodLevel by @nohwnd in #15526
- Unify target framework checks with IsNetFrameworkTarget/IsNetTarget by @nohwnd in #15523
- Add unattended work instructions to copilot-instructions.md by @nohwnd in #15531
- Reduce code style rule severity from warning to suggestion by @nohwnd in #15522
- Remove Debug/Release line number branching from tests by @nohwnd in #15519
- Revise unattended work instructions in copilot-instructions.md by @nohwnd in #15532
- Improve CompatibilityRowsBuilder error message with diagnostic details by @nohwnd in #15529
- docs: add git worktree and upstream sync workflow to copilot-instructions.md by @nohwnd in #15538
- Add VSIX runner to smoke tests by @nohwnd in #15541
- Remove deprecated WebTest and TMI test methods by @nohwnd in #15525
- Fix compatibility test failures for legacy vstest.console and MSTest adapter by @nohwnd in #15534
- Convert TestPlatform.sln to slnx format by @nohwnd in #15551
- Convert test/TestAssets .sln files to .slnx format by @nohwnd in #15557
- Enable parallelization for blame data collector tests by @nohwnd in #15552
- Fix CI failure when GeneratedTestAssets directory doesn't exist by @nohwnd in #15556
- Set DOTNET_ROOT in test.sh for local Linux usage by @nohwnd in #15559
- Use MSTest recommended analyzers by @Evangelink in #15539
- Document semicolon handling in RunSettings test parameters by @nohwnd in #15561
- Enable CA1067 analyzer and fix violations by @nohwnd in #15560
- Fix HTML logger parallel file collision with atomic file creation by @nohwnd in #15562
- Deduplicate package extraction between verify-nupkgs and IntegrationTestBuild by @nohwnd in #15554
- Fix MSTEST0046: use Assert.MatchesRegex instead of StringAssert.Matches by @nohwnd in #15575
- Attach diagnostic logs to acceptance test runs by @nohwnd in #15572
- Deprecate EnableShutdownAfterTestRun which is no-op by @Youssef1313 in #15576
- Skip VideoRecorder test on CI due to access denied errors by @nohwnd in #15587
- Fix integration test build collision with mutex + EventWaitHandle by @nohwnd in #15568
- Reduce blame test flakiness: increase hang dump timeout to 10s by @nohwnd in #15590
- Fix concurrent modification in MetricsCollection by @nohwnd in #15581
- Fix PassingNoArguments test: disable --diag to preserve help output by @nohwnd in #15583
- perf: fix dictionary double-lookups, Collection.Contains, and LINQ allocations by @Evangelink in #15533
- Replace VSSDK-sourced DLLs with proper package references by @nohwnd in #15567
- Add target framework to default TRX file name by @nohwnd in #15565
- Update post-build template parameters by @nohwnd in #15591
- Fix path for post-build template and adjust validation by @nohwnd in #15592
- Add azure-pipelines-official.yml to pipeline files by @nohwnd in #15594
- Update comment formatting for signing validation by @nohwnd in #15597
- Fix enable-auto-merge for maestro by @Youssef1313 in #15595
- Auto-approve maestro PRs by @Youssef1313 in #15598
- Update enable-auto-merge to squash by @Youssef1313 in #15602
- Update enable-auto-merge.yml for the correct permissions by @Youssef1313 in #15606
- Add 365 regression tests for untested bug fixes by @nohwnd in #15615
- Fix typos and add comments to empty catch blocks by @nohwnd in #15609
- Fix flaky EventLogCollector test: ensure deterministic event log entries by @nohwnd in #15607
- Mark PathConverter tests as Windows-only by @nohwnd in #15617
- Fix HangDumpOnTimeout flakiness and ignore VideoRecorder test by @nohwnd in #15616
- Add copilot-setup-steps.yml by @nohwnd in #15604
- Add CreateNoNewWindow RunConfiguration setting by @nohwnd in #15585
- Add preview packages documentation by @nohwnd in #15628
- Cleanup filter implementation by @Youssef1313 in #15629
- Fix SCI binding failure in DTA hosts (rel/18.6) by @nohwnd in #15722
- Remove DiagnosticSource binding redirect (rel/18.6) by @nohwnd in #15776
Full Changelog: v18.5.1...v18.6.0