Single line addition shown as changing line before

[chrmarti]

Type: Bug

It doesn't seem to change the line before, but it is shown as such:

VS Code version: Code - Insiders 1.96.0-insider (841e8b1, 2024-11-14T05:04:02.900Z)
OS version: Darwin arm64 23.6.0

System Info

Item	Value
CPUs	Apple M1 Max (10 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 webnn: disabled_off
Load (avg)	4, 6, 6
Memory (System)	64.00GB (0.38GB free)
Process Argv	--crash-reporter-id 7aad610c-0e6b-48aa-ba87-b704b1b543cf
Screen Reader	no
VM	0%

Extensions (73)

Extension	Author (truncated)	Version
tsl-problem-matcher	amo	0.6.2
openmatchingfiles	bca	0.5.4
unique-lines	bib	1.0.0
devcontainer-image-convert	Bri	0.0.1
network-proxy-test	chr	0.0.13
regex	chr	0.5.1
esbuild-problem-matchers	con	0.0.3
vscode-eslint	dba	3.0.10
prettier-vscode	esb	11.0.0
codespaces	Git	1.17.3
copilot	Git	1.245.1210
copilot-chat	Git	0.23.2024111401
remotehub	Git	0.64.0
vscode-pull-request-github	Git	0.100.1
vscode-drawio	hed	1.6.6
rest-client	hum	0.25.1
template-string-converter	meg	0.6.1
regexsnippets	Mon	1.0.2
vscode-azurefunctions	ms-	1.16.1
vscode-azureresourcegroups	ms-	0.9.9
vscode-docker	ms-	1.29.3
vscode-language-pack-de	MS-	1.95.2024103009
vscode-language-pack-qps-ploc	MS-	1.95.2024103009
vscode-kubernetes-tools	ms-	1.3.18
debugpy	ms-	2024.13.2024111101
python	ms-	2024.21.2024111401
vscode-pylance	ms-	2024.11.100
jupyter	ms-	2024.11.2024110701
jupyter-hub	ms-	2024.10.1002831100
jupyter-keymap	ms-	1.1.2
jupyter-renderers	ms-	1.0.2024102901
vscode-ai	ms-	1.3.2024111209
vscode-ai-remote	ms-	1.3.2024111209
vscode-jupyter-cell-tags	ms-	0.1.9
vscode-jupyter-slideshow	ms-	0.1.6
remote-containers	ms-	0.390.0
remote-ssh	ms-	0.116.2024111315
remote-ssh-edit	ms-	0.87.0
remote-wsl	ms-	0.88.5
vscode-remote-extensionpack	ms-	0.26.0
azure-account	ms-	0.12.0
azure-repos	ms-	0.40.0
azurecli	ms-	0.6.0
extension-test-runner	ms-	0.0.12
hexeditor	ms-	1.11.1
live-server	ms-	0.5.2024091601
remote-explorer	ms-	0.5.2024103109
remote-repositories	ms-	0.42.0
remote-server	ms-	1.6.2024100809
test-adapter-converter	ms-	0.2.1
vscode-commander	ms-	0.2.0
vscode-github-issue-notebooks	ms-	0.0.130
vscode-selfhost-test-provider	ms-	0.3.25
vscode-speech	ms-	0.12.1
vscode-speech-language-pack-de-de	ms-	0.5.0
vscode-websearchforcopilot	ms-	0.1.2024111401
java	red	1.37.2024111408
vscode-yaml	red	1.15.0
vscode-dall-toys	rob	0.2.0
rust-analyzer	rus	0.4.2183
eval	Sto	0.0.6
vscode-open-in-github	sys	1.18.0
even-better-toml	tam	0.19.2
shellcheck	tim	0.37.1
vscode-lldb	vad	1.11.1
intellicode-api-usage-examples	Vis	0.2.9
vscodeintellicode	Vis	1.3.2
vscode-gradle	vsc	3.16.2024111106
vscode-java-debug	vsc	0.58.2024090204
vscode-java-dependency	vsc	0.24.1
vscode-java-pack	vsc	0.29.2024091906
vscode-java-test	vsc	0.43.0
vscode-maven	vsc	0.44.2024072906

A/B Experiments

vsliv368:30146709
vspor879:30202332
vspor708:30202333
vspor363:30204092
vswsl492cf:30256198
vscod805cf:30301675
vsaa593:30376534
py29gd2263:31024238
c4g48928:30535728
a9j8j154:30646983
962ge761:30841072
pythonnoceb:30776497
asynctok:30898717
dsvsc014:30777825
dsvsc015:30821418
pythonmypyd1:30859725
h48ei257:31000450
pythontbext0:30879054
cppperfnew:30980852
pythonait:30973460
9c06g630:31013171
dvdeprecation:31040973
dwnewjupyter:31046869
newcmakeconfigv2:31071590
impr_priority:31057980
nativerepl1:31134653
pythonrstrctxt:31093868
nativeloc1:31118317
cf971741:31144450
e80f6927:31120813
12bdf347:31141542
iacca1:31150324
notype1:31143044
dwcopilot:31158714
h409b430:31177054
2929b438:31176400