4691: UI freezes often on iPad when editing comments

grossag

What version are you running?

3.0.3

What's the URL of the page containing the problem?

Any review when editing comments

What steps will reproduce the problem?

  1. Start typing a comment on iOS with markdown disabled
  2. Tap and hold for about 3 seconds then let go

Note: the same issue happens on my iPad when the OS pops up the autocomplete hint bubbles above text when i misspell a word when markdown is disabled

What is the expected output? What do you see instead?

expected results are that the context menu with things like copy, paste, and select are shown right away. actual results are that it freezes for up to 10 seconds

What operating system are you using? What browser?

iPad running the latest version of iOS. Browser is Safari

Please provide any additional information below.

The below screenshot shows where the UI is frozen after tapping and holding for a few seconds