Performance prohibitively slow with RadioList in float container

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
30/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
python
Domain
cli, performance

Research direction

Start by reproducing the reported delay with a 50-item RadioList inside a float container, then compare arrow-key response with and without the float and dialog. Profile the full-screen layout application to identify where time is spent during selection updates and dialog display. Done means isolating a specific bottleneck and documenting or implementing a measurable performance improvement.

Written by the indexing model from the issue text.

Description

I have a float container with a 50-item RadioList over my full-screen layout app. It seems like performance gets twice as slow - 2-3 second respond time to arrow key selections in the RadioList - in the float container. Then if we pop a simple yes/no dialog things get even slower. What techniques can I use to optimize performance for these?

Dominant language
Python
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