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Content and history of a terminal tab is lost when DPI of the system/display changes. #12221

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opened 2026-01-31 03:09:26 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 03:09:26 +00:00
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Originally created by @michkot on GitHub (Jan 27, 2021).

Environment

Windows build number: 10.0.18363.1256
Windows Terminal version : 1.4.3243.0

Steps to reproduce

Have a running WT instance with output in it.
Disconnect/connect a display (where different displays have differently set DPIs), which triggers "desktop reconfiguration".
Focus the WT window.

Expected behavior

You will see a (now DPI-rescaled) WT windows with an active tab with the previous content and you can scroll to history.

Actual behavior

There is no content in the tab, you don't see newly rendered content. You have to resize the WT window to resume functionality, but the last content is lost and so is the scroll history for that tab!

Originally created by @michkot on GitHub (Jan 27, 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: 10.0.18363.1256 Windows Terminal version : 1.4.3243.0 ``` # Steps to reproduce Have a running WT instance with output in it. Disconnect/connect a display (where different displays have differently set DPIs), which triggers "desktop reconfiguration". Focus the WT window. # Expected behavior You will see a (now DPI-rescaled) WT windows with an active tab with the previous content and you can scroll to history. # Actual behavior There is no content in the tab, you don't see newly rendered content. You have to resize the WT window to resume functionality, but the last content is lost and so is the scroll history for that tab!
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Reference: starred/terminal#12221
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