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Tmux pane content gets garbled after refreshing tmux client #5651

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opened 2026-01-31 00:18:20 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 00:18:20 +00:00
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Originally created by @abhirup-dev on GitHub (Dec 20, 2019).

Environment

Windows build number: 19041
Windows Terminal version: 0.7.3
tmux: 2.6

Steps to reproduce

  1. Run command such as htop, top inside a tmux pane
  2. Press Prefix + r (:refresh-client) to refresh the tmux client
    (I actually faced this problem during the course of my but was later able to reproduce it using steps 1 and 2.

Expected behavior

Nothing should happen. The command mentioned in step 1 should continue to run without any changes. In fact, that is what happens in minTTY terminal that ships by default with WSL.

Actual behavior

The output from htop gets garbled. Only the changing parts of the text, like fluctuating RAM usage, reordering of processes gets reflected. See the given screenshots in this Reddit post.

Originally created by @abhirup-dev on GitHub (Dec 20, 2019). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: 19041 Windows Terminal version: 0.7.3 tmux: 2.6 ``` # Steps to reproduce 1. Run command such as `htop`, `top` inside a tmux pane 2. Press Prefix + r (`:refresh-client`) to refresh the tmux client (I actually faced this problem during the course of my but was later able to reproduce it using steps 1 and 2. # Expected behavior <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> Nothing should happen. The command mentioned in step 1 should continue to run without any changes. In fact, that is what happens in minTTY terminal that ships by default with WSL. # Actual behavior <!-- What's actually happening? --> The output from `htop` gets garbled. Only the changing parts of the text, like fluctuating RAM usage, reordering of processes gets reflected. See the given screenshots in this [Reddit post](https://www.reddit.com/r/tmux/comments/ed8f4b/tmux_garbled_pane_after_continued_use_windows/).
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Reference: starred/terminal#5651
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