On some computers, OSC 9;4;3;100 ST shows progress indication on tab but no animation on taskbar icon #12858

Open
opened 2026-01-31 03:26:51 +00:00 by claunia · 0 comments
Owner

Originally created by @sba923 on GitHub (Mar 4, 2021).

Environment

Windows build number: 10.0.19042.804
Windows Terminal version (if applicable): 1.7.572.0 Preview
PowerShell 7.1.2

Steps to reproduce

Run this from PowerShell:

Write-Host "`e]9;4;3;100`a"

Expected behavior

The progress indicator should be shown on the Windows Terminal tab, and the taskbar icon should show a progress animation:

2021-03-04-12-32-03 (Small)

Actual behavior

On some computers, the tab animation is present but the taskbar icon animation is not (the taskbar icon changes colors, that's all):

2021-03-04-12-26-40 (Small)

Originally created by @sba923 on GitHub (Mar 4, 2021). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 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: 10.0.19042.804 Windows Terminal version (if applicable): 1.7.572.0 Preview PowerShell 7.1.2 ``` # Steps to reproduce Run this from PowerShell: ```` Write-Host "`e]9;4;3;100`a" ```` # Expected behavior The progress indicator should be shown on the Windows Terminal tab, and the taskbar icon should show a progress animation: ![2021-03-04-12-32-03 (Small)](https://user-images.githubusercontent.com/12860484/109958311-62fcf780-7ce6-11eb-85f3-02667d7310c3.gif) # Actual behavior On some computers, the tab animation is present but the taskbar icon animation is not (the taskbar icon changes colors, that's all): ![2021-03-04-12-26-40 (Small)](https://user-images.githubusercontent.com/12860484/109958471-8de74b80-7ce6-11eb-9e72-35f05069a77b.gif)
Sign in to join this conversation.
1 Participants
Notifications
Due Date
No due date set.
Dependencies

No dependencies set.

Reference: starred/terminal#12858