Performance issues with Chrome 96 and Chrome 97 in Confluence editor

Issue Summary

• On Chrome 96 (97 beta), there's a significant performance issue when typing.
  • Specifically, the issue is related to Chrome/Google's Spellchecker, and is triggered when there's a high number of typographical error,

Steps to Reproduce

• On Chrome 96 (97 beta), edit a page which contains a large number of typos.
  • Typing will be slow or the page will be unresponsive.

Expected Results

• No performance issue, slowness, or unresponsiveness when editing a page with large number of typographical error,

Actual Results

• Depending on the number of typographical error, the editing experience is slow, or unresponsive.

Workaround

• Disable spell check on:
  • chrome://settings/languages
• Downgrade Chrome.
• Use another browser.