Neovim Cursor Flickers from Block to Bar running in MS Terminal under Tmux #7214

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opened 2026-01-31 00:58:03 +00:00 by claunia · 0 comments
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Originally created by @mebaran on GitHub (Mar 30, 2020).

Environment

Windows build number: 10.0.19041.172
Windows Terminal version (if applicable):  0.10.781.0

Other software:
Debian WSL2 running tmux

Steps to reproduce

  1. Start tmux
  2. Start neovim (nvim -u NORC)
  3. Enter insert mode
  4. Watch cursor flicker between block and thin line

Expected behavior

Cursor should remain a line and not flicker. (this is the behavior in WSLtty)

Actual behavior

Cursor flickers between block and line.

Originally created by @mebaran on GitHub (Mar 30, 2020). # Environment ```none Windows build number: 10.0.19041.172 Windows Terminal version (if applicable): 0.10.781.0 Other software: Debian WSL2 running tmux ``` # Steps to reproduce 1. Start tmux 2. Start neovim (nvim -u NORC) 3. Enter insert mode 4. Watch cursor flicker between block and thin line <!-- A description of how to trigger this bug. --> # Expected behavior Cursor should remain a line and not flicker. (this is the behavior in WSLtty) # Actual behavior Cursor flickers between block and line.
claunia added the Resolution-Fix-CommittedIssue-BugArea-VTProduct-Conpty labels 2026-01-31 00:58:04 +00:00
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Reference: starred/terminal#7214