Very High Resource Usage using 'Retro terminal Effects' #19249

New Issue

claunia · 2026-01-31T06:38:03Z

claunia commented

2026-01-31 06:38:03 +00:00

Originally created by @bhenrich on GitHub (Jan 21, 2023).

Windows Terminal version

1.15.3466.0

Windows build number

10.0.22000.588

Other Software

No response

Steps to reproduce

Enable 'Retro Terminal Effects' under the Appearance customization of any terminal.
Enable Software Rendering (step added after initial post)
Save the changes and close all terminals
Run a new terminal

Expected Behavior

Fully functional Terminal styled with the Retro terminal effects.

Actual Behavior

~90% CPU usage (Ryzen 7 5800X 8-Core) and 100% GPU usage (NVIDIA GeForce RTX 3080 Ti)

https://user-images.githubusercontent.com/96016408/213889615-5005aa74-2899-4dc4-9dd6-8de5fc2a16df.mp4

Originally created by @bhenrich on GitHub (Jan 21, 2023). ### Windows Terminal version 1.15.3466.0 ### Windows build number 10.0.22000.588 ### Other Software _No response_ ### Steps to reproduce - Enable 'Retro Terminal Effects' under the Appearance customization of any terminal. - Enable Software Rendering (step added after initial post) - Save the changes and close all terminals - Run a new terminal ### Expected Behavior Fully functional Terminal styled with the Retro terminal effects. ### Actual Behavior ~90% CPU usage (Ryzen 7 5800X 8-Core) and 100% GPU usage (NVIDIA GeForce RTX 3080 Ti) https://user-images.githubusercontent.com/96016408/213889615-5005aa74-2899-4dc4-9dd6-8de5fc2a16df.mp4

claunia added the Resolution-By-Design Needs-Triage Area-Rendering Issue-Bug Needs-Attention Product-Terminal labels 2026-01-31 06:38:03 +00:00

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dev/miniksa/bitmap

dev/duhowett/wprp

dev/miniksa/bitmap-mad-with-power

dev/migrie/f/resize-quirk

dev/migrie/f/reflow-buffer-on-resize-002

wpf-renderer-revert

dev/miniksa/draw

release-0.9

dev/miniksa/tabs-color-fix

dev/miniksa/4309

dev/migrie/f/just-wrapping

dev/migrie/b/3490-try-another-resize-algo

release-0.8

dev/migrie/b/3490-a-simpler-resize

dev/migrie/b/3490-resize-down

dev/miniksa/4254

dev/migrie/f/conpty-wrapped-lines-2

dev/migrie/b/be-better-at-hiding

dev/migrie/f/3327-xaml-theming-proto

dev/miniksa/gardening2

release-0.7

dev/duhowett/conpty-flags

dev/migrie/f/603-vintage-opacity

dev/migrie/PR#3181-comments

dev/duhowett/font-64

release-0.5

dev/migrie/b/663-paste-lf-always

dev/migrie/b/2011-reordered-fallthrough-strings

dev/migrie/b/411-init-tab-stops

dev/migrie/b/json-patching-is-hard

dev/migrie/b/2455-try-getting-tests-working

dev/migrie/b/1223-change-256-table

dev/migrie/f/2171-openterm.cmd

dev/migrie/f/drag-panes

dev/migrie/f/2046-command-palette

release-0.3

dev/miniksa/manager

dev/migrie/f/non-terminal-panes

dev/migrie/f/passthrough-2019

dev/miniksa/shared_pch

dev/migrie/f/1897-less-duplicated-work

release-0.2

dev/cazamor/mcs/viewport-selection

dev/duhowett/version_hack

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Reference: starred/terminal#19249