Incomplete edition in commit comments

Type: Bug

When writing a commit comment in the "source control" tab, I can type, but I can't delete (backspace) or scroll through the text. I also can't use the clipboard.

VS Code version: Code 1.137.0 (645f29cc3176500b4b5762ba887cf2a7f0ffdf2c, 2026-09-08T13:43:59-07:00)
OS version: Darwin arm64 25.6.0
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|Apple M4 (10 x 2400)|
|GPU Status|2d_canvas: enabled
GPU0: VENDOR= 0x106b [Google Inc. (Apple)], DEVICE=0x0000 [ANGLE (Apple, ANGLE Metal Renderer: Apple M4, Version 26.6.2 (Build 25G83))], DRIVER_VENDOR=Apple, DRIVER_VERSION=26.6.2 *ACTIVE*
Machine model name: Mac
Machine model version: 16.12
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: enabled_on
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgpu: enabled
webnn: disabled_off|
|Load (avg)|3, 3, 3|
|Memory (System)|24.00GB (0.15GB free)|
|Process Argv||
|Screen Reader|no|
|VM|0%|
Extensions (21)

Name|Identifier|Author|Version
---|---|---|---
Markdown Preview Mermaid Support|bierner.markdown-mermaid|bierner|1.32.1
Docker DX|docker.docker|docker|0.18.0
shell-format|foxundermoon.shell-format|foxundermoon|7.2.8
GitHub Actions|github.vscode-github-actions|github|0.32.3
GitHub Pull Requests|github.vscode-pull-request-github|GitHub|0.166.0
Rainbow CSV|mechatroner.rainbow-csv|mechatroner|3.24.1
Container Tools|ms-azuretools.vscode-containers|ms-azuretools|2.5.0
Python Debugger|ms-python.debugpy|ms-python|2026.6.0
Python|ms-python.python|ms-python|2026.4.0
Pylance|ms-python.vscode-pylance|ms-python|2026.3.1
Python Environments|ms-python.vscode-python-envs|ms-python|1.36.0
Ansible|redhat.ansible|redhat|26.8.2
YAML|redhat.vscode-yaml|redhat|1.24.0
Roo Code|rooveterinaryinc.roo-cline|RooVeterinaryInc|3.54.0
Code Spell Checker|streetsidesoftware.code-spell-checker|streetsidesoftware|4.7.3
Spanish - Code Spell Checker|streetsidesoftware.code-spell-checker-spanish|streetsidesoftware|2.3.9
Even Better TOML|tamasfe.even-better-toml|tamasfe|0.21.2
ShellCheck|timonwong.shellcheck|timonwong|0.40.0
DeepSeek V4 for Copilot Chat|vizards.deepseek-v4-for-copilot|Vizards|0.8.2
Jinja|wholroyd.jinja|wholroyd|0.0.8
Markdown All in One|yzhang.markdown-all-in-one|yzhang|3.6.3