After scrolling upward, scroll position jumps back to bottom, when using Parallels VM #11173

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opened 2026-01-31 02:40:33 +00:00 by claunia · 0 comments
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Originally created by @strw22 on GitHub (Oct 26, 2020).

Environment

Windows build number: 10.0.19041.388
Windows Terminal version (if applicable): 1.3.2651.0

Any other software?
Parallels Desktop 16.0.1 VM running Win10

Steps to reproduce

  • Open Terminal
  • Type DIR, or some command to fill the window
  • Scroll upward using mouse-wheel
  • Switch from mac Parallels VM window to another mac window, say Finder (Cmd-TAB)
  • Switch from Finder back to Parallels VM window (Cmd-TAB)
  • Terminal scroll position jumps to the bottom (bug)

Expected behavior

Scroll position shouldn't change when Parallels window is re-gains input focus

Actual behavior

Scroll position jumps to the bottom, losing previous position

I tried using Spy++ to see if any windows messages are sent, but didn't see anything obvious. Any tools I can use to see what messages/input are being sent to Terminal?

Originally created by @strw22 on GitHub (Oct 26, 2020). # Environment Windows build number: 10.0.19041.388 Windows Terminal version (if applicable): 1.3.2651.0 Any other software? Parallels Desktop 16.0.1 VM running Win10 # Steps to reproduce - Open Terminal - Type DIR, or some command to fill the window - Scroll upward using mouse-wheel - Switch from mac Parallels VM window to another mac window, say Finder (Cmd-TAB) - Switch from Finder back to Parallels VM window (Cmd-TAB) - Terminal scroll position jumps to the bottom (bug) # Expected behavior Scroll position shouldn't change when Parallels window is re-gains input focus # Actual behavior Scroll position jumps to the bottom, losing previous position I tried using Spy++ to see if any windows messages are sent, but didn't see anything obvious. Any tools I can use to see what messages/input are being sent to Terminal?
claunia added the Area-InputResolution-DuplicateArea-TerminalControl labels 2026-01-31 02:40:33 +00:00
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Reference: starred/terminal#11173