Bug Report #1446

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opened 2026-01-30 22:27:27 +00:00 by claunia · 0 comments
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Originally created by @dgilmour77 on GitHub (May 31, 2019).

Environment

Windows build number: Version 10.0.18362.116
Windows Terminal version (if applicable): 

Any other software?

1. Ubuntu/WSL:
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.2 LTS
Release:        18.04
Codename:       bionic

2. VIM - Vi IMproved 8.0 (2016 Sep 12, compiled Apr 10 2018 21:31:58)
Included patches: 1-1453
Modified by pkg-vim-maintainers@lists.alioth.debian.org
Compiled by pkg-vim-maintainers@lists.alioth.debian.org

Note: problem appeared after installing May 2019 Windows update

Steps to reproduce

  1. Open Ubuntu terminal by clicking on Ubuntu icon.
  2. Set terminal colors via preferences dialog to background gray, text black
  3. Open a text file with vim:
  4. Scroll down a screen or two
  5. Navigate up with cursor until it causes upward scrolling
  6. Observe background color of repainted area behind text at top of screen

Also:
Occasionally happens when scrolling downward with rapid cursor down keystrokes at the bottom of the screen

Expected behavior

Background color should be uniform

Actual behavior

Background fills with black background, not the gray background that was set in preferences.

scroll problem
The color is temporarily corrected by pressing Control-L, forcing a repaint.

I understand this seems similar to other reported bugs, but workarounds suggested elsewhere have no effect, including:

:set t_ut=""/t_ut=y
:set lazyredraw/nolazyredraw
:set ttyfast/nottyfast

Loading other vim color schemes, disabling .bashrc, did not help. Neovim shows the same problem. I can find no workaround that allows me to use a light grey background and edit files.

Originally created by @dgilmour77 on GitHub (May 31, 2019). <!-- 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. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: Version 10.0.18362.116 Windows Terminal version (if applicable): Any other software? 1. Ubuntu/WSL: Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic 2. VIM - Vi IMproved 8.0 (2016 Sep 12, compiled Apr 10 2018 21:31:58) Included patches: 1-1453 Modified by pkg-vim-maintainers@lists.alioth.debian.org Compiled by pkg-vim-maintainers@lists.alioth.debian.org Note: problem appeared after installing May 2019 Windows update ``` # Steps to reproduce 1. Open Ubuntu terminal by clicking on Ubuntu icon. 2. Set terminal colors via preferences dialog to background gray, text black 3. Open a text file with vim: 4. Scroll down a screen or two 5. Navigate up with cursor until it causes upward scrolling 6. Observe background color of repainted area behind text at top of screen Also: Occasionally happens when scrolling downward with rapid cursor down keystrokes at the bottom of the screen <!-- A description of how to trigger this bug. --> # Expected behavior <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> Background color should be uniform # Actual behavior <!-- What's actually happening? --> Background fills with black background, not the gray background that was set in preferences. ![scroll problem](https://user-images.githubusercontent.com/6298982/58718411-4b127a00-8382-11e9-9757-9976bd7b6d76.jpg) The color is temporarily corrected by pressing Control-L, forcing a repaint. I understand this seems similar to other reported bugs, but workarounds suggested elsewhere have no effect, including: `:set t_ut=""/t_ut=y` `:set lazyredraw/nolazyredraw` `:set ttyfast/nottyfast` Loading other vim color schemes, disabling .bashrc, did not help. Neovim shows the same problem. I can find no workaround that allows me to use a light grey background and edit files.
claunia added the Product-ConhostIssue-BugArea-VTResolution-Duplicate labels 2026-01-30 22:27:27 +00:00
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Reference: starred/terminal#1446