Cannot rename copilot chats

Type: Bug

Renaming copilot chats does not work.

Reproduction steps:
1. From chat history, right click a chat
2. Rename...
3. Enter name in command prompt
4. Press enter
5. Chat is not renamed

VS Code version: Code 1.135.0 (08d4889f9ec4a1685d257b9b95de036c8e1ce1e5, 2026-08-25T14:26:52Z)
OS version: Windows_NT x64 10.0.26200
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|12th Gen Intel(R) Core(TM) i7-12800H (20 x 2803)|
|GPU Status|2d_canvas: enabled
GPU0: VENDOR= 0x8086, DEVICE=0x46a6 [Intel(R) Iris(R) Xe Graphics], DRIVER_VENDOR=Intel, DRIVER_VERSION=32.0.101.7085 *ACTIVE*
GPU1: VENDOR= 0x10de, DEVICE=0x25b9 [NVIDIA RTX A1000 Laptop GPU], DRIVER_VERSION=32.0.15.9608
GPU2: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.8972
Machine model name:
Machine model version:
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
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgpu: enabled
webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|63.68GB (28.21GB free)|
|Process Argv|--crash-reporter-id c01498ce-774b-40bd-9c5a-0a43889e260f|
|Screen Reader|no|
|VM|0%|
Extensions (32)

Name|Identifier|Author|Version
---|---|---|---
Bookmarks|alefragnani.bookmarks|alefragnani|14.1.1
line-jumper|alekseychaikovsky.line-jumper|alekseychaikovsky|0.1.0
Path Intellisense|christian-kohler.path-intellisense|christian-kohler|2.10.0
language-postcss|cpylua.language-postcss|cpylua|1.1.0
ESLint|dbaeumer.vscode-eslint|dbaeumer|3.0.34
Quick and Simple Text Selection|dbankier.vscode-quick-select|dbankier|0.2.9
GitLens — Git supercharged|eamodio.gitlens|eamodio|19.0.1
Clipboard Manager|edgardmessias.clipboard-manager|EdgardMessias|1.8.1
EditorConfig|editorconfig.editorconfig|EditorConfig|0.18.2
Prettier - Code formatter|esbenp.prettier-vscode|esbenp|12.4.0
Text to Component Search|jayvachon.text-to-component-search|JayVachon|0.0.8
macro-commander (Command Runner)|jeff-hykin.macro-commander|jeff-hykin|1.6.0
CodeMetrics|kisstkondoros.vscode-codemetrics|kisstkondoros|1.26.1
Rainbow CSV|mechatroner.rainbow-csv|mechatroner|3.24.1
JSON|meezilla.json|Meezilla|0.1.2
C# Dev Kit|ms-dotnettools.csdevkit|ms-dotnettools|3.20.199
C#|ms-dotnettools.csharp|ms-dotnettools|2.140.9
.NET Install Tool|ms-dotnettools.vscode-dotnet-runtime|ms-dotnettools|3.1.0
Data Workspace|ms-mssql.data-workspace-vscode|ms-mssql|0.6.3
SQL Server (mssql)|ms-mssql.mssql|ms-mssql|1.45.1
SQL Database Projects|ms-mssql.sql-database-projects-vscode|ms-mssql|1.7.0
Playwright Test for VSCode|ms-playwright.playwright|ms-playwright|1.1.19
Extension Test Runner|ms-vscode.extension-test-runner|ms-vscode|0.0.14
PowerShell|ms-vscode.powershell|ms-vscode|2025.4.0
Sublime Text Keymap and Settings Importer|ms-vscode.sublime-keybindings|ms-vscode|4.1.10
Web Search for Copilot|ms-vscode.vscode-websearchforcopilot|ms-vscode|0.1.4
indent-rainbow|oderwat.indent-rainbow|oderwat|8.3.1
Jest|orta.vscode-jest|Orta|6.4.4
Subword Navigation|ow.vscode-subword-navigation|ow|1.2.0
XML|redhat.vscode-xml|redhat|0.29.3
Stylelint|stylelint.vscode-stylelint|stylelint|2.2.1
Doki Theme|unthrottled.doki-theme|unthrottled|88.1.18

A/B Experiments

```
vsliv368cf:30146710
vswsl492:30256859
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
b6b4d950:31327385
envsactivate1:31551504
478i5457:31544283
cloudbuttont:31379625
3efgi100_wstrepl:31403338
ec5jj548:31422691
pandia-24-2-500-5f99e8ac:31568581
cp_cls_t_966_ss:31526232
4je02754:31466945
8hhj4413:31478653
ge8j1254_inline_auto_hint_haiku:31490510
cp_cls_c_1081:31454833
conptydll_true:31498968
e9c30283:31461165
46204921:31447328
ei9d7968:31496641
nes-extended-on:31455476
chat:31457767
8hig5102:31480529
89g7j272:31518289
i2gc6536:31499202
52612955:31516516
ddid_t:31478206
hmra_i5g22:31518061
7df3h592:31512476
cp_cls_t_1082:31535311
logging_enabled_new:31498466
j0d79568:31499440
jb_cp_cls_t_632:31543129
56dj4588:31512888
32d76977:31512328
ha629193:31508444
jh5f2457_c:31540921
jbcp_cls_pctr_t:31531130
61138546:31518536
cp_intellij_t_nes:31548657
d7b18187:31526828
ahp-both-windows:31556933
ihg5j128:31534457
f412h606:31551416
9gg7f176:31542112
enable_editor_pane_layout:31569726
allow-none:31555437
36h42362:31564511
c7c27ce7:31554789
1h923230:31564177
0dg73464:31554319
treatment-23-1:31555779
unuse_dynamic_mcp:31555281
0d8dfbc3:31570291
a1hcc538:31559322
0c1h4866:31566224
vrbsty_fls:31561059
session-mark-done:31558131
5b8j3302:31564601
mangle-name-control:31572633
9e5id457:31573761
39a5d156:31574986

```