'undo' does not work in jupyter notebook cells

[misha-antonenko]

Type: Bug

at some point it simply stopped working when a cell is focussed

the symptoms are as in #133026

VS Code version: Code 1.90.1 (Universal) (611f9bf, 2024-06-11T21:02:41.372Z)
OS version: Darwin arm64 23.4.0
Modes:
Remote OS version: Linux x64 5.10.0-1057-oem

System Info

Item	Value
CPUs	Apple M2 (8 x 2400)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: enabled_on 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 skia_graphite: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled
Load (avg)	2, 2, 2
Memory (System)	16.00GB (0.15GB free)
Process Argv
Screen Reader	no
VM	0%

Item	Value
Remote	SSH: etna
OS	Linux x64 5.10.0-1057-oem
CPUs	Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz (128 x 1232)
Memory (System)	1007.49GB (986.26GB free)
VM	0%

Extensions (101)

Extension	Author (truncated)	Version
language-x86-64-assembly	13x	3.1.4
Bookmarks	ale	13.5.0
coder-remote	cod	1.0.2
apc-extension	drc	0.3.9
remotehub	Git	0.62.0
vsc-python-indent	Kev	1.18.0
kconfig	luv	1.0.3
jupyter-keymap	ms-	1.1.2
remote-containers	ms-	0.369.0
remote-ssh	ms-	0.112.0
remote-ssh-edit	ms-	0.86.0
vscode-remote-extensionpack	ms-	0.25.0
azure-repos	ms-	0.38.0
remote-explorer	ms-	0.4.3
remote-repositories	ms-	0.40.0
remote-server	ms-	1.5.2
scala	sca	0.5.7
semanticdiff	sem	0.8.10
ayu	tea	1.0.5
pdf	tom	1.2.2
errorlens	use	3.18.0
jinja	who	0.0.8
linkerscript	Zix	1.0.4
language-x86-64-assembly	13x	3.1.4
vscode-sql-formatter	adp	1.4.4
Bookmarks	ale	13.5.0
vscode-tlaplus	aly	1.5.4
vscode-django	bat	1.15.0
vscode-bazel	Baz	0.10.0
ruff	cha	2024.26.0
flip	Chr	0.0.4
close-tabs-to-the-left	ctf	0.0.4
python-environment-manager	don	1.2.4
python-extension-pack	don	1.7.0
gitlens	eam	15.1.0
EditorConfig	Edi	0.16.4
pyre-vscode	fb-	0.0.2
shell-format	fox	7.2.5
flatbuffers	gab	0.1.0
copilot	Git	1.203.0
copilot-chat	Git	0.16.1
remotehub	Git	0.62.0
vscode-pull-request-github	Git	0.88.1
go	gol	0.41.4
terraform	has	2.30.2
dvc	ite	1.2.13
jbockle-format-files	jbo	3.4.0
list-symbols	jmb	0.0.5
nix-ide	jno	0.3.1
vsc-python-indent	Kev	1.18.0
vscode-cython	ktn	1.0.3
lean4	lea	0.0.160
vscode-clangd	llv	0.1.28
vscode-mlir	llv	0.0.11
kconfig	luv	1.0.3
rainbow-csv	mec	3.12.0
markdown-formatter	mer	0.9.7
git-graph	mhu	1.30.0
vscode-docker	ms-	1.29.1
debugpy	ms-	2024.6.0
isort	ms-	2023.10.1
python	ms-	2024.8.1
vscode-pylance	ms-	2024.6.1
jupyter	ms-	2024.5.0
jupyter-keymap	ms-	1.1.2
jupyter-renderers	ms-	1.0.18
vscode-jupyter-cell-tags	ms-	0.1.9
vscode-jupyter-slideshow	ms-	0.1.6
azure-repos	ms-	0.38.0
cpptools	ms-	1.20.5
hexeditor	ms-	1.10.0
makefile-tools	ms-	0.9.10
remote-repositories	ms-	0.40.0
autodocstring	njp	0.6.1
vscode-pbkit	pbk	0.0.7
vscode-auto-scroll	pej	1.2.0
java	red	1.31.0
vscode-xml	red	0.27.1
vscode-yaml	red	1.15.0
rust-analyzer	rus	0.3.1995
scala	sca	0.5.7
metals	sca	1.35.0
semanticdiff	sem	0.8.10
markdown-preview-enhanced	shd	0.8.13
bazel-stack-vscode	Sta	1.9.8
even-better-toml	tam	0.19.2
ayu	tea	1.0.5
errorlens	use	3.18.0
vscode-lldb	vad	1.10.0
intellicode-api-usage-examples	Vis	0.2.8
vscodeintellicode	Vis	1.3.1
vscode-java-debug	vsc	0.57.0
vscode-java-dependency	vsc	0.23.6
vscode-java-pack	vsc	0.27.0
vscode-java-test	vsc	0.41.1
vscode-maven	vsc	0.44.0
jinja	who	0.0.8
clang-format	xav	1.9.0
save-as-root	yy0	1.8.0
symlink-follow	zau	1.0.3
linkerscript	Zix	1.0.4

(4 theme extensions excluded)

[misha-antonenko]

it is as if i cannot undo the changes that have been saved by cmd-s or autosave

[misha-antonenko]

is there a quick (and possibly ugly) remedy for this? it becomes too easy to throw away work in such conditions

[DonJayamanne]

@misha-antonenko please can you provide steps to replicate this issue

[VSCodeTriageBot]

This issue has been closed automatically because it needs more information and has not had recent activity. See also our issue reporting guidelines.

Happy Coding!