tmux status bar flickers on fast output #22751

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opened 2026-01-31 08:22:24 +00:00 by claunia · 0 comments
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Originally created by @nanaya on GitHub (Jan 9, 2025).

Windows Terminal version

1.21.3231.0

Windows build number

10.0.19044.5131

Other Software

tmux 3.4, bash 5.2.21(1), ubuntu 24.04.1

Steps to reproduce

  1. start tmux
  2. split screen horizontally
  3. loop apt install on the top pane (while true; do apt install; done)

Expected Behavior

Intense apt output

Actual Behavior

Intense apt output with tmux status bar flickering and moving up and down joining the party

doesn't happen on putty (the one on the left)

https://github.com/user-attachments/assets/78bcbbee-4f04-498d-be77-961015dc63fc

Originally created by @nanaya on GitHub (Jan 9, 2025). ### Windows Terminal version 1.21.3231.0 ### Windows build number 10.0.19044.5131 ### Other Software tmux 3.4, bash 5.2.21(1), ubuntu 24.04.1 ### Steps to reproduce 1. start tmux 2. split screen horizontally 3. loop apt install on the top pane (`while true; do apt install; done`) ### Expected Behavior Intense apt output ### Actual Behavior Intense apt output with tmux status bar flickering and moving up and down joining the party doesn't happen on putty (the one on the left) https://github.com/user-attachments/assets/78bcbbee-4f04-498d-be77-961015dc63fc
claunia added the Needs-TriageIssue-BugNeeds-Attention labels 2026-01-31 08:22:24 +00:00
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Reference: starred/terminal#22751