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Unexpected event profile-after-change

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  • Last reply by EniGma

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Getting this error message "Unexpected event profile-after-change" after the update of 91.0.1. Also, webpages do not display correctly and get numerous other errors from the Browser console.

Getting this error message "Unexpected event profile-after-change" after the update of 91.0.1. Also, webpages do not display correctly and get numerous other errors from the Browser console.

Chosen solution

This could be a problem with High Contrast Mode on Mac.

See "New" in the release notes.

Firefox now automatically enables High Contrast Mode when "Increase Contrast" is checked on MacOS in the Accessibility settings.


Make sure you allow pages to choose their own colors.

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Chosen Solution

This could be a problem with High Contrast Mode on Mac.

See "New" in the release notes.

Firefox now automatically enables High Contrast Mode when "Increase Contrast" is checked on MacOS in the Accessibility settings.


Make sure you allow pages to choose their own colors.

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Cool - thx. That fixed it. working great now.

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Hello, I've got the same error in Windows 10 and and made the same instructions but the error still show in the console