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Hydration resiliency: third party scripts that modify DOM and improved error messages #59224
Description
Which @angular/* package(s) are the source of the bug?
core
Is this a regression?
No
Description
Right now hydration mismatch errors will point directly to the HTML source where the mismatch occurred. This is very helpful in the case that the developer caused this mismatch. If a third party script did, it may be less helpful. Can we improve the error messages to point also to documentation around third party scripts? Or maybe even detect if it was generated by a script and make suggestions of using something like afterNextRender() to delay the execution of that script?
Please provide a link to a minimal reproduction of the bug
No response
Please provide the exception or error you saw
Please provide the environment you discovered this bug in (run ng version)
Anything else?
No response
Reacted by Bartosz Zygmunt and Angelo Parziale
Activity
refactor: Improve hydration mismatch errors for third-party scripts
refactor: Improve hydration mismatch errors for third-party scripts
refactor: Improve hydration mismatch errors for third-party scripts
refactor: Improve hydration mismatch errors for third-party scripts
refactor: Improve hydration mismatch errors for third-party scripts
angular-automatic-lock-bot commentedon May 18, 2026
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