Terminal writes over previous text when it reaches bottom #17148

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opened 2026-01-31 05:33:30 +00:00 by claunia · 0 comments
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Originally created by @spazer5 on GitHub (Apr 4, 2022).

Windows Terminal version

1.11.3471.0

Windows build number

10.0.19044.1586

Other Software

Ruby 3.1.1
Installed via RubyInstaller

Steps to reproduce

  1. Launch ruby interperter via irb
  2. Start typing text until you reach the bottom of the view port
  3. WT will wind back to the top and start printing over previous output in a very buggy manner.

Expected Behavior

Able to scroll through previous output and maintain history.

Actual Behavior

WT will start printing over previous output in a very buggy manner.

WT seems to be unable to create a scrolling history larger than the window's height.

Behavior present on both PowerShell and CMD on WT, however regular CMD works just fine.

Here's a video: https://imgur.com/a/lKWMHMX

Originally created by @spazer5 on GitHub (Apr 4, 2022). ### Windows Terminal version 1.11.3471.0 ### Windows build number 10.0.19044.1586 ### Other Software Ruby 3.1.1 Installed via [RubyInstaller](https://rubyinstaller.org/downloads/) ### Steps to reproduce 1. Launch ruby interperter via `irb` 2. Start typing text until you reach the bottom of the view port 3. WT will wind back to the top and start printing over previous output in a very buggy manner. ### Expected Behavior Able to scroll through previous output and maintain history. ### Actual Behavior WT will start printing over previous output in a very buggy manner. WT seems to be unable to create a scrolling history larger than the window's height. Behavior present on both PowerShell and CMD on WT, however regular CMD works just fine. Here's a video: [https://imgur.com/a/lKWMHMX](https://imgur.com/a/lKWMHMX)
claunia added the Issue-BugResolution-ExternalResolution-Duplicate labels 2026-01-31 05:33:31 +00:00
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Reference: starred/terminal#17148