Screen recording
Steps to replicate the issue (include links if applicable):
Follow carefully:
- Go to https://en.wikipedia.org/wiki/WP:Sandbox?action=edit
- Open DevTools
- Make sure input tools are enabled in ULS (Add languages → Open language settings → Input) and "Improved Syntax Highlighting" beta feature (CodeMirror 6) is enabled
- Disable syntax highlighting if it was enabled
- Type something into the main text box
- Enable syntax highlighting
- Type something into the main text box
What happens?:
Two IME selectors in DOM:
Both visible and at the same position.
What should have happened instead?:
One IME selector in DOM.
Other information (browser name/version, screenshots, etc.):
I noticed this because in Convenient-Discussions these elements actually have different positions. So, I saw the IME selectors overlapping like this:
With the standard editor, their silhouettes just coincide precisely, which leads to the button appearing more opaque:



