docs: update changelog for v1.1.26

Author: github-actions[bot]

changelog.md

@@ -1,5 +1,71 @@
 # Changelog
 
+## v1.1.26
+
+### Highlights
+
+- Chats can now start child chats, nested beneath their parent in the sidebar with their own transcript, notifications, and plan review.
+- You can now run Bash and PowerShell code snippets from a conversation directly in the session's terminal.
+- Drag and drop files from your computer onto a session or Agent in the sidebar to attach them to that session's composer.
+- Set tool permissions directly from the composer's mode menu, in addition to the /permissions slash command.
+- Added a branch actions menu to the Changes view for commit, update, pull, push, and rename operations.
+
+### Added
+
+- Added a branch actions menu to the Changes view for commit, update, pull, push, and rename operations, with short commit SHAs shown in commit navigation.
+- Added C# as a language option in the code block language menu.
+- Chats can now start child chats that appear nested beneath their parent in the sidebar, with their own transcript, notifications, and plan review.
+- Set tool permissions directly from the composer's mode menu, in addition to the /permissions slash command.
+- Slash commands registered by installed extensions now appear in the workspace and Quick chat command menus and can be invoked directly.
+- You can now drag files from your computer and drop them onto a session or Agent in the sidebar to attach them to that session's composer.
+- You can now run Bash and PowerShell code snippets from a conversation directly in the session's terminal, reusing an existing shell when available.
+
+### Changed
+
+- Added a search icon and a clearer accessible name to the file filter in the workspace file picker.
+- Closing the last tab in an Agent's side panel now collapses the panel, instead of leaving it open on an empty state.
+- Improved the Customize → MCP → Add server form with visible labels for server type and key/value columns, clearer row-specific control names, and error text that is visibly identified and linked to its field.
+- Prompt history now shows recent prompts immediately when you press the up arrow in an empty composer, searches as you type, and uses a more compact, consistent selection menu.
+- Prompt history now shows your recent prompts from the current session first, before you type a search query.
+- Reordered the Changes toolbar so the branch sync action (Update branch/Rebase) appears before the Run and Open in actions.
+- SSH host connections now show clearer error details when something goes wrong, prompt for your password or host verification again when you reconnect or start a new session, and disconnect in one click without deleting the host.
+
+### Fixed
+
+- Agents in the left navigation now use the normal cursor instead of a grab/grabbing hand when hovering or dragging to reorder.
+- Clicking a file in the Library now opens that exact file in its own tab, instead of sometimes opening the collection's file browser or replacing the main content.
+- Fixed a brief "lost connection" error that could flash after successfully selecting an Azure DevOps repository.
+- Fixed a delay of up to 30 seconds when submitting a prompt shortly after leaving a session while it was still starting up.
+- Fixed an issue on Windows where creating a browser preview or extension view while closing another could hang the app.
+- Fixed an issue where a session could get permanently stuck after a temporary MCP server sign-in failure, preventing it from retrying authentication on later messages.
+- Fixed an issue where checking for updates on a linked pull request could incorrectly move an idle conversation to the top of the sidebar.
+- Fixed browsing and installing from enterprise-managed private marketplaces failing with a credential error when the associated account hadn't been loaded yet.
+- Fixed folder references opening as files instead of revealing the folder in Files.
+- Fixed inline reference and attachment pills in the prompt composer so they can be removed with a hover control, show complete selection outlines when drag-selected, keep consistent spacing when wrapped, and support click-to-select with Cmd/Ctrl+click to open.
+- Fixed inline review comments sometimes appearing as two duplicate queued messages when the agent was busy.
+- Fixed newly created Agents briefly appearing as Done before correctly showing as Working while they start up.
+- Fixed pull request descriptions where an image or list item next to a hidden template comment could get merged into the saved Markdown incorrectly.
+- Fixed remote sessions on a removed environment repeatedly retrying reconnection; they now correctly show as unavailable while keeping session history and the Delete option.
+- Fixed session creation hanging when running Git commands on WSL hosts.
+- Fixed skills failing to load for all projects when one saved project's folder was moved or deleted.
+- Fixed the app incorrectly blocking access with a "Copilot App" onboarding gate when a second account used for repository access was added.
+- Fixed the app not updating to reflect a model change made directly on a remote session's host.
+- Fixed the Kimi K3 model showing unsupported reasoning effort options; it now offers Low, High, and Max.
+- Fixed the quote-selection keyboard shortcut not working when the composer or another input field had focus, and fixed a stray slash being added to a skill's arguments when invoking it from the slash menu.
+- Fixed the reauthorization dialog switching to the wrong account, losing its device code, or closing prematurely when other accounts had unrelated authorization warnings.
+- Fixed the repository configuration and extensions trust banner incorrectly reappearing for a previously accepted checkout after accepting trust in another worktree of the same repository.
+- Fixed the Send button sometimes staying disabled after confirming a voice dictation transcript.
+- Improved screen reader announcements for search results in Automations and Customize, and fixed focus loss when clearing filters.
+- Kept the Agent conversation scrollbar at the right edge of the window while the utility rail is visible, instead of stopping at the rail's left edge.
+- MCP server questions with predefined answer choices no longer offer a free-text option, so you can only pick one of the choices the server actually provides.
+- Restored the close button on the Agents tab in the right panel.
+- Starting a new session from an unavailable nested session now keeps it nested under the same parent, instead of creating an unrelated top-level session.
+- Stopped showing a "Remote control enabled" toast for every new session when remote control is set as the default for all sessions.
+
+### Removed
+
+- Removed the option to turn off the sidebar hover preview; it's now always available when the sidebar is collapsed.
+
 ## v1.1.25
 
 ### Fixed