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Problems.

Trouble with GitHub Copilot chat

AI coding4 posts from 4 people3d active+22 posts in the last 7 days, 0 the 7 days before (rising)

Posts per day

Posts per day4 posts, Aug 27 to Oct 5

The posts behind it

4, newest first
PostDate
Chat Completions models lose reasoning from earlier user turns (breaks Kimi K3 preserved thinking)### Describe the bug For models on the Chat Completions API, reasoning from earlier user turns is dropped from the prompt. Within one turn, assistant messages keep their reasoning across tool calls. Once the user sends another message, the same assistant messages are resent...microsoft/vscodedzamoshchinSep 305 days ago
Custom agent model pin is overridden by the model selected in Copilot chat or the GitHub cloud window...the pin. The agent then runs on the window's model. This is not the same as frontmatter failing to load. Instructions and tools can still come from the agent file. Only the pinned model loses to the window selection. ## Steps to Reproduce 1. Add a custom agent, for example...microsoft/vscodearun-8687Sep 305 days ago
Allow custom instructions for automatically generated chat session titles## Feature request Allow users to provide user-level or workspace-level instructions for automatically generated chat session titles. The title generator should preserve identifiers derived from the task context, such as repository names, pull request numbers, issue numbers, or...microsoft/vscodedaviburgAug 315 weeks ago
Not allowed to create elements in child window JavaScript context" error when opening a new chat session — chat fails to openType: Bug Environment VS Code version: 1.135.0 (commit 08d4889f9ec4a1685d257b9b95de036c8e1ce1e5, x64) Reproduced on 2 separate machines (identical build) OS: Windows Extension: GitHub Copilot Chat Steps to reproduce Open VS Code (1.135.0 / 08d4889f9e). Trigger "New Chat" (opens...microsoft/vscodeWilcoRakhorstAug 275 weeks ago

Companies and products named

Company or productPosts naming it
GitHub Copilot4
VS Code4
Hugging Face1
Claude1
About this problem

Evidence

4 posts from 4 people in 1 place, about 1 a week over 35 days. Mostly on microsoft/vscode. Tools named alongside: VS Code, Hugging Face, Claude.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about GitHub Copilot with no known issue, sharing the word "chat". First post Aug 27, 2026, latest Sep 30, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method

History

  • 2026-10-05 Added: Trouble with GitHub Copilot chat (4 posts)

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