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[dotnet] Make 'dotnet watch' work.#24922

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rolfbjarne merged 2 commits intomainfrom
dev/rolf/dotnet-watch
Mar 18, 2026
Merged

[dotnet] Make 'dotnet watch' work.#24922
rolfbjarne merged 2 commits intomainfrom
dev/rolf/dotnet-watch

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  • Use web sockets to connect the endpoints when doing hot reload / dotnet watch.
  • Change the defaults when launching desktop apps and we're in 'dotnet watch' mode:
    • Always open app in a new instance.
    • Wait for exit enabled.
    • Pipe stdout/stderr to the current terminal.
  • Validate that the project wasn't built with a build configuration that would prevent Hot Reload from working.

Contributes towards #24782.

* Use web sockets to connect the endpoints when doing hot reload / dotnet watch.
* Change the defaults when launching desktop apps and we're in 'dotnet watch' mode:
	* Always open app in a new instance.
	* Wait for exit enabled.
	* Pipe stdout/stderr to the current terminal.
* Validate that the project wasn't built with a build configuration that would prevent Hot Reload from working.

Contributes towards #24782.
@rolfbjarne rolfbjarne requested review from Copilot and jonathanpeppers and removed request for Copilot March 18, 2026 11:01
@rolfbjarne rolfbjarne enabled auto-merge (squash) March 18, 2026 11:01
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✅ [CI Build #4c69515] Build passed (Build packages) ✅

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Hash: 4c695158c1324e1bd5a7fdc756a52e2be93916c9 [PR build]

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✅ [PR Build #4c69515] Build passed (Detect API changes) ✅

Pipeline on Agent
Hash: 4c695158c1324e1bd5a7fdc756a52e2be93916c9 [PR build]

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✅ API diff for current PR / commit

NET (empty diffs)

✅ API diff vs stable

NET (empty diffs)

ℹ️ Generator diff

Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

Pipeline on Agent
Hash: 4c695158c1324e1bd5a7fdc756a52e2be93916c9 [PR build]

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✅ [CI Build #4c69515] Build passed (Build macOS tests) ✅

Pipeline on Agent
Hash: 4c695158c1324e1bd5a7fdc756a52e2be93916c9 [PR build]

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🚀 [CI Build #4c69515] Test results 🚀

Test results

✅ All tests passed on VSTS: test results.

🎉 All 156 tests passed 🎉

Tests counts

✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (iOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (macOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (tvOS): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 6 tests passed. Html Report (VSDrops) Download
✅ linker: All 44 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 11 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 15 tests passed. Html Report (VSDrops) Download
✅ monotouch (macOS): All 12 tests passed. [attempt 2] Html Report (VSDrops) Download
✅ monotouch (tvOS): All 11 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ sharpie: All 1 tests passed. Html Report (VSDrops) Download
✅ windows: All 3 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

macOS tests

✅ Tests on macOS Monterey (12): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Ventura (13): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sonoma (14): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sequoia (15): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Tahoe (26): All 5 tests passed. Html Report (VSDrops) Download

Pipeline on Agent
Hash: 4c695158c1324e1bd5a7fdc756a52e2be93916c9 [PR build]

@rolfbjarne rolfbjarne merged commit 5dc7df4 into main Mar 18, 2026
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