Can't unhighlight text in Chrome-based browsers

[nickautomatic]

📝 Provide detailed reproduction steps

1. Enter some text in an instance of CKEditor (eg. on this demo page)
2. Highlight the text
3. Select the highlighted text and click the "remove highlight" (eraser) button in CKEditor

✔️ Expected result

The highlight should be removed

❌ Actual result

In Chrome-based browsers nothing happens - the highlight remains.

❓ Possible solution

This functionality seems to work as expected in Firefox, so it's likely this is a browser bug.

📃 Other details

• Browser: Chrome / Edge / Vivaldi
• OS: Windows + MacOS
• First affected CKEditor version: 5?
• Installed CKEditor plugins: 5

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[Reinmar]

Does it sound like a DUP of #12265? You can check whether your problem is already resolved in the nightly docs: https://ckeditor5.github.io/docs/nightly/ckeditor5/latest/features/highlight.html

[nickautomatic]

@Reinmar Ah, yes, that does look like it's probably the same issue. I've only got one highlight colour, so can't confirm the other aspects, but the unhighlighting issue seems the same. Can also confirm that it seems to be working ok on the page in the nightly docs that you linked to. I'll close this issue for now. Thanks for the quick response 👍