Issues

• 1.0.98: Copilot Enterprise account routed to api.business.githubcopilot.com — 401 on model catalog, 'Authentication failed' despite valid token

  triage
  github/copilot-cli#5165 · Filter by author cowork-realeye opened on Oct 16, 2026
  1

• Switching sessions in the Sessions sidebar leaks plugin MCP servers and extension hosts (OOM)

  triage
  github/copilot-cli#5164 · Filter by author gfortaine opened on Oct 16, 2026

• Agency Autopilot mode can conflict with Copilot rules resulting in annoying behavior

  area:agents
  Bug

  github/copilot-cli#5162 · Filter by author AntonPo456 opened on Oct 15, 2026

• [Bug] gemini-4-argon: unexplained full cache miss on unchanged prefix, cacheReadTokens > inputTokens, and no cache-write reporting

  area:models
  Bug

  github/copilot-cli#5161 · Filter by author xpepper opened on Oct 15, 2026

• Plan-mode responses to steering messages disappear from the conversation

  area:agentsarea:terminal-rendering
  Bug

  github/copilot-cli#5160 · Filter by author casanova-21 opened on Oct 15, 2026

• Allow unlimited (or higher) prompt history via commandHistoryMaxSize

  area:configurationarea:input-keyboard
  Feature

  github/copilot-cli#5159 · Filter by author casanova-21 opened on Oct 15, 2026

• Copilot App: session name keeps reverting to a linked (merged) PR's title after an explicit rename

  area:sessions
  Bug

  github/copilot-cli#5158 · Filter by author cschneider opened on Oct 15, 2026

• Guest accounts can't authenticate to specific tenant for MCP servers

  area:mcp
  Feature

  github/copilot-cli#5157 · Filter by author iampeterdaniels opened on Oct 15, 2026

• Cloud agent: "Registry only" MCP policy blocks all repo-configured MCP servers — proxy-bridged configs can't be fingerprinted ("unable to compute fingerprint from local configuration")

  area:enterprisearea:mcp
  Bug

  github/copilot-cli#5155 · Filter by author colmose opened on Oct 15, 2026

• Command hooks always hit timeoutSec after the first JS-side child spawn (hook exits in ~20 ms but stays a zombie until timeout)

  area:plugins
  Bug

  github/copilot-cli#5154 · Filter by author uneeq opened on Oct 15, 2026

• CLI: Ability to repurpose the Tabs at the top (Issues, Pull Requests, Gists)

  area:configuration
  Feature

  github/copilot-cli#5153 · Filter by author gauravkeshre opened on Oct 15, 2026

• Add /browser or /playwright to enable browser automation, matching /computer

  area:mcparea:tools
  Feature

  github/copilot-cli#5152 · Filter by author kingwil opened on Oct 15, 2026

• Regression: default-context Sol models rejected before first prompt after tool definitions grow from 15K to ~260K tokens

  triage
  github/copilot-cli#5151 · Filter by author j0shbregman opened on Oct 15, 2026

• ACP: the autopilot task_complete summary is sent only as a tool call, not as an agent message

  triage
  github/copilot-cli#5150 · Filter by author nikita-ashihmin opened on Oct 15, 2026

• Claude Opus 5.5: 32k maxOutputTokens makes --reasoning-effort max/xhigh return empty turns on long tasks; auto-continue bills each empty turn

  area:modelsarea:non-interactive
  Bug

  github/copilot-cli#5149 · Filter by author Drxdre88 opened on Oct 15, 2026

• Bug: Idle CLI sessions pin one CPU core at 100% (notify-rs debouncer loop busy-spins)

  Bug

  github/copilot-cli#5148 · Filter by author rcollette opened on Oct 15, 2026

• /restart fails when the CLI was launched with --new-session-id

  area:sessions
  Bug

  github/copilot-cli#5147 · Filter by author zachhooper opened on Oct 15, 2026
  1

• Local operations create dozens of permission requests, repeatedly, drowning the user in noise

  area:permissions
  Feature

  github/copilot-cli#5146 · Filter by author AntonPo456 opened on Oct 15, 2026

• 400 reasoning_text in thinking mode must be passed back — triggered by runtime-synthesized assistant turn after a background shell exits

  area:modelsarea:tools
  Bug

  github/copilot-cli#5145 · Filter by author eruvalca opened on Oct 14, 2026

• Allow subagents to inherit main agent's permissions

  area:agentsarea:permissions
  Feature

  github/copilot-cli#5144 · Filter by author AntonPo456 opened on Oct 14, 2026

• CLI: follow-up to an idle background agent is delayed by minutes to hours while its status shows "running"

  area:agents
  Bug

  github/copilot-cli#5143 · Filter by author yumikohey opened on Oct 14, 2026

• Remote HTTP MCP servers fail behind Kerberos/Negotiate proxy ( proxy_auth_required ) while main fetch stack works

  area:mcparea:networking
  Bug

  github/copilot-cli#5142 · Filter by author MichaelKubovic opened on Oct 14, 2026

• Allow default agent selection with /agent without interactive list

  area:agents
  Feature

  github/copilot-cli#5141 · Filter by author FstTesla opened on Oct 14, 2026

• Headless mode exits 0 mid-task when a model response has finish_reason: "tool_calls" but no tool calls

  area:non-interactive
  Bug

  github/copilot-cli#5140 · Filter by author MattSkala opened on Oct 14, 2026

• Claude models (and Gemini Argon) fail with HTTP 400 “request body is not valid JSON”; other models work

  triage
  Bug

  github/copilot-cli#5139 · Filter by author pedromateo opened on Oct 14, 2026
  1