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[release/8.0] Fixed devtools url used for debug with chrome and edge #62080
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HarrisonSlater
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Jul 27, 2025
Target net10, for now (WASM debugging is currently broken in 8, 9, pending dotnet/aspnetcore#62080
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@lewing @wtgodbe this can go through tactics any time now and get merged on the next patch cycle. @ilonatommy validated things. |
lewing
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Sep 18, 2025
@wtgodbe, this one also got approved. |
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Labels
area-blazor
Includes: Blazor, Razor Components
feature-blazor-wasm
This issue is related to and / or impacts Blazor WebAssembly
Servicing-approved
Shiproom has approved the issue
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Backport of #61948 to release/8.0
/cc @javiercn @github-actions[bot]
[release/9.0] Fixed devtools url used for debug with chrome and edge
Fixed devtools url used for debug with chrome and edge
Description
Ensures the correct creation of the devtools url with proxy to use for debug with chrome and edge browser which recently changed how urls are returned from "localhost:9222/json".
Fixes #61559
Customer Impact
Fixes a debugging issue in "debug in browser" mode.

Regression?
The format of http://localhost:9222/json changed, instead of relative uri it contains an absolute one in new browser versions.
Risk
It still supports the old way, just adds an additional fallback for cases of absolute paths.
Verification
Packaging changes reviewed?