terminal content flickers when writing reverse background text

[rshouker]

Type: Bug

This is on Windows 10. Using theme: Cobalt2 https://marketplace.visualstudio.com/items?itemName=wesbos.theme-cobalt2

install aider on wsl: https://github.com/paul-gauthier/aider#getting-started requires openai api key.

in a terminal enter wsl and run aider with a source code file. ask it to change something in a source code. it will show changes on a white background, and it would flicker while aider is slowly writing the code.

VS Code version: Code 1.81.0 (6445d93c81ebe42c4cbd7a60712e0b17d9463e97, 2023-08-02T12:37:13.485Z) OS version: Windows_NT x64 10.0.19045 Modes:

System Info

|Item|Value| |---|---| |CPUs|Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (8 x 1992)| |GPU Status|2d_canvas: enabled
canvas_oop_rasterization: disabled_off
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled| |Load (avg)|undefined| |Memory (System)|15.84GB (6.19GB free)| |Process Argv|--crash-reporter-id 8ec5de7e-3755-421e-b214-9da66c35478d| |Screen Reader|no| |VM|0%|

Extensions (39)

Extension|Author (truncated)|Version ---|---|--- code-gnu-global|aus|0.2.2 vscode-pandoc|Chr|0.4.3 doxdocgen|csc|1.4.0 overtype|DrM|0.5.0 copilot|Git|1.101.317 copilot-labs|Git|0.14.884 vscode-pull-request-github|Git|0.70.0 vscode-drawio|hed|1.6.6 better-cpp-syntax|jef|1.17.2 vsc-python-indent|Kev|1.18.0 openscad-language-support|Lea|1.2.5 vscode-language-babel|mgm|0.0.39 nc-gcode|ML2|0.14.1 vscode-docker|ms-|1.26.0 autopep8|ms-|2023.6.0 python|ms-|2023.14.0 vscode-pylance|ms-|2023.8.10 remote-containers|ms-|0.304.0 remote-ssh|ms-|0.102.0 remote-wsl|ms-|0.81.0 vscode-remote-extensionpack|ms-|0.24.0 cmake-tools|ms-|1.14.34 cpptools|ms-|1.17.0 cpptools-extension-pack|ms-|1.3.0 remote-explorer|ms-|0.4.1 remote-server|ms-|1.4.0 platformio-ide|pla|3.3.1 java|red|1.21.0 vscode-qt-for-python|sea|7.4.0 cmake|twx|0.0.17 intellicode-api-usage-examples|Vis|0.2.7 vscodeintellicode|Vis|1.2.30 vscode-java-debug|vsc|0.53.0 vscode-java-dependency|vsc|0.23.1 vscode-java-pack|vsc|0.25.13 vscode-java-test|vsc|0.39.1 vscode-maven|vsc|0.42.0 debug|web|0.26.1 markdown-all-in-one|yzh|3.5.1 (2 theme extensions excluded)

A/B Experiments

``` vsliv368cf:30146710 vsreu685:30147344 python383cf:30185419 vspor879:30202332 vspor708:30202333 vspor363:30204092 vslsvsres303:30308271 vserr242:30382549 pythontb:30283811 vsjup518:30340749 pythonptprofiler:30281270 vshan820:30294714 vstes263cf:30335440 vscoreces:30445986 vscod805:30301674 binariesv615:30325510 bridge0708:30335490 bridge0723:30353136 vsaa593:30376534 pythonvs932:30410667 py29gd2263:30792226 vsclangdf:30486550 c4g48928:30535728 dsvsc012:30540252 pynewext54:30695312 azure-dev_surveyone:30548225 vscccc:30803845 3biah626:30602489 89544117:30613380 2i9eh265:30646982 showlangstatbar:30737416 vsctsb:30748421 03d35959:30757346 ecj1e332:30736112 pythonfmttext:30731395 pythoncmvfstrcf:30756944 fixshowwlkth:30771522 showindicator:30805244 pythongtdpath:30769146 i26e3531:30792625 gsofa:30804715 pythonnosmt12:30797651 pythonidxptcf:30805731 pythonnoceb:30805159 e537b577:30795824 dsvsc013:30795093 dsvsc014:30804076 ```

[Tyriar]

Please provide a screenshot or a gif illustrating the problem (attaching images won't work via email, you need to go to github.com). See this wiki page for more general info on how to report actionable terminal issues.

/label "info-needed" terminal

[rshouker]

here is a video. Don't watch if you suffer from epilepsy. I failed to screen capture, so i use my smartphone camera, sorry about the noisy audio.

[Tyriar]

Huh, that's strange. Can you reproduce this when you run the same thing in Windows Terminal?

[rshouker]

@Tyriar, no, it doesn't have the flickering effect in Windows Terminal; it works just fine there.