Updatify / Zed Editor | Release notes

This week’s release includes call hierarchy support, multi-select in the Git Panel, automatic language detection for untitled buffers, and project search on type by default.

Shipped by the Zed Guild 🛡️

• Added automatic language detection for untitled buffers. (#61412; thanks amtoaer)
• Added support for rendering LSP 3.18 Markdown diagnostic messages from language servers. (#61030; thanks aviatesk)
• Fixed searching for full SHA-256 commit hashes in the Git Graph. (#63371; thanks albertbogusz)

Learn about the Zed Guild.

Features

AI

• Added support for effort-based reasoning when using OpenRouter models. (#61308; thanks codello)
• Added support for renaming Terminal Threads from the Threads Sidebar. (#63494)
• Added a button to cancel ChatGPT Subscription setup. (#63627)
• Improved streaming for OpenAI-compatible providers. (#63520)

This week’s release includes call hierarchy support, multi-select in the Git Panel, automatic language detection for untitled buffers, and project search on type by default.

Shipped by the Zed Guild 🛡️

• Added automatic language detection for untitled buffers. (#61412; thanks amtoaer)
• Added support for rendering LSP 3.18 Markdown diagnostic messages from language servers. (#61030; thanks aviatesk)
• Fixed searching for full SHA-256 commit hashes in the Git Graph. (#63371; thanks albertbogusz)

Learn about the Zed Guild.

Features

AI

• Added support for effort-based reasoning when using OpenRouter models. (#61308; thanks codello)
• Added support for renaming Terminal Threads from the Threads Sidebar. (#63494)
• Added a button to cancel ChatGPT Subscription setup. (#63627)
• Improved streaming for OpenAI-compatible providers. (#63520)

• Fixed AltGr / diacritic input being swallowed by the integrated terminal on Windows. (#63763)
• Fixed goToDefinition opening out-of-worktree entries (#63757)
• Fixed dev container environment variables being logged in full (#63735)
• Fixed OpenCode Go requests that could fail when Zed omitted the session header. (#63715)

This week’s release includes refreshed Markdown preview styling, inline debugger values for C and C++, and File Finder history that persists across workspace sessions.

Shipped by the Zed Guild 🛡️

• Fixed the inline assistant doing nothing when the model emitted reasoning before its tool call. (#61220; thanks aviatesk)
• Fixed some Pyright and BasedPyright settings not being applied properly. (#62673; thanks lingyaochu)
• Fixed bookmarks not disappearing from the gutter immediately after clearing all bookmarks. (#62847; thanks austincummings)
• Fixed the LSP status tooltip to display the target script path for runtime-managed language servers. (#62919; thanks lingyaochu)

Learn about the Zed Guild.

Features

AI

• Added support for GPT-5.6’s 1M-token context window on Amazon Bedrock. (#63069; thanks 5herlocked)

This week’s release includes tabular data previews for CSV, TSV, PSV, and SSV files with sortable and resizable columns, value-based row filtering, and right-click copying; new Git blame and stashing actions; and lower memory use when opening large files.

Shipped by the Zed Guild 🛡️

• Added support for low reasoning effort for DeepSeek V4 Flash and V4 Pro. (#62577; thanks lingyaochu)
• Improved JetBrains keymap behavior with CamelHump-style subword navigation for alt-left, alt-right, shift-alt-left, and shift-alt-right in editors. (#51540; thanks loadingalias)
• Improved Markdown table column sizing based on content. (#61773; thanks timvermeulen)
• Improved filtering for language server completions. (#62433; thanks lingyaochu)
• Fixed authentication prompts not dismissing automatically when using SSH security keys. (#61292; thanks tidely)

• Fixed a crash in the Git panel when collapsed sections were used in tree view. (#63167)

• Fixed a potential filesystem sandbox escape when running extensions. (#63147)
• Fixed GitHub Copilot Chat authentication and API routing for GitHub Enterprise Cloud (#63142)
• Fixed project-level language server settings being ignored by extensions built with extension API versions before and including v0.1.0. (#63083)
• Fixed an issue where Flatpak CLI launches would open unrelated/nonexistent files due to a bug in argument construction (#62959)

This week’s release includes Gemini 3.6 Flash support, collapsible grouped changes and optional stash messages in the Git Panel, zooming and horizontal scrolling for Mermaid diagrams, and a new setting for controlling whether the Terminal Panel opens automatically in new workspaces.

Shipped by the Zed Guild 🛡️

• Improved Git Panel organization by making grouped change sections collapsible. (#62441; thanks chirivelli)
• Linux: Improved memory usage. (#62192; thanks tidely)
• Fixed a bug where update checks for extension-provided language servers could get stuck on flaky internet connections. (#62175; thanks vitallium)
• Fixed directional focus navigation into the Git Panel’s History tab. (#62215; thanks feeiyu)
• Fixed language server RPC logs displaying untimed requests beneath an unrelated response’s duration header. (#61452; thanks aviatesk)

Learn about the Zed Guild.

Features

AI

• Fixed an issue where the Cursor ACP agent would fail to start (#62825)
• Git: Fixed the GPG passphrase modal appearing on every commit for users whose configured pinentry (e.g. pinentry-mac with the macOS Keychain) can supply the passphrase without Zed’s help. Zed now only prompts when gpg cannot obtain the passphrase on its own. (#62783)
• Fixed array merging for extensions case (#62722)
• Fixed project search not working in some non-Unicode files (#62591)

This week’s release includes a new git.diff_base setting for choosing whether editor gutters, file-status colors, and git: diff show uncommitted changes against HEAD or all current-branch changes against the default branch’s merge base, plus support for dragging files from the Project Panel to external apps on macOS and Linux Wayland; web developers also get linked editing for custom elements in JSX and TSX and Emmet completions in return and arrow-function bodies.

Shipped by the Zed Guild 🛡️

• Added support for dragging files from the Project Panel to external macOS apps. (#58161; thanks notJoon)
• Added the multiple_selections key context for assigning different keybindings when multiple selections are active. (#60018; thanks AidanV)
• Agent: Fixed the first line of terminal output sometimes being hidden in the Agent Panel. (#61939; thanks timvermeulen)
• Fixed Markdown previews scrolling vertically during horizontal scroll gestures. (#61797; thanks feitreim)

This week’s release includes sandboxing for the Agent’s terminal commands and web fetches (check the blog post), support for undoing and redoing file operations in the Project Panel (documentation), a Skip Hooks option for commits, and configurable Agent Panel fonts.

Shipped by the Zed Guild 🛡️

• Terminal: Fixed processes being left alive when the terminal was closed. (#61467; thanks feitreim)
• Fixed a hang when the Zed Agent ran a git command with a pager configured. (#61999; thanks timvermeulen)
• Fixed editor: find all references preview tabs becoming permanent tabs when any of their buffers had previously been edited. (#61021; thanks aviatesk)
• Fixed a bug where selection mentions added with “Add to Agent Thread” did not open their referenced files. (#61621; thanks amtoaer)
• Fixed a crash when copying and pasting using multiple cursors. (#61545; thanks timvermeulen)

• Fixed Option+Left stopping to the left of punctuation between words Video URL: https://files.catbox.moe/8d5g2t.mp4 (#62065)
• Fixed a panic when selections are added by tab-expanded column (#62063)
• Fixed Gruvbox parameter colors (#61987)
• Improved CLI documentation by adding the missing --existing option. (#61981)

This week’s release includes improved branch picker filtering and grouping, run-status indicators for runnable gutter controls, and editable image-viewer zoom levels.

Shipped by the Zed Guild 🛡️

• Improved branch picker filtering, grouping, branch creation suggestions, and remote-provider icons. (#61215; thanks chirivelli)
• Improved LSP Logs by showing request durations alongside RPC responses, making slow language server behavior easier to diagnose. (#61018; thanks aviatesk)
• Improved solo diffs to show the full file by default while retaining Git change indicators in the scrollbar. (#60989; thanks chirivelli)
• Deprecated Fast Mode for Opus 4.6 and Opus 4.7. (#61341; thanks tidely)
• Fixed excessive memory usage when composing text with Fcitx5 on KDE Wayland. (#61079; thanks amtoaer)
• Editor: Fixed a bug where selection boxes did not render when the cursor was offscreen. (#60054; thanks feitreim)

• Added Claude Opus 5 support for Anthropic and Amazon Bedrock BYOK providers. (#61609)
• Fixed an issue where hover documentation could have too many line breaks. (#61715)

This week’s release includes Staged and Unstaged grouping in the Git Panel and multi-select in the File Finder and Text Finder.

Shipped by the Zed Guild 🛡️

• Improved branch filtering with all, local, and remote options in the branch picker. (#60857; thanks chirivelli)
• Settings UI: Improved support for window widths below 900 px. (#60786; thanks feitreim)
• Improved semantic token highlighting to distinguish function parameters from local variables. (#60949; thanks lingyaochu)
• Fixed workspace diagnostics being cleared when closing a buffer. (#59875; thanks lingyaochu)
• Git: Fixed the GPG signing passphrase prompt appearing on every commit when gpg-agent had the passphrase cached or the key was unprotected. (#61265; thanks RemcoSmitsDev)
• Fixed toolchain selection being ignored when Pyright or Basedpyright settings were configured without specifying a Python interpreter path. (#59990; thanks lingyaochu)

This week’s release includes Staged and Unstaged grouping in the Git Panel, multi-select in the File Finder and Text Finder, and row filtering in CSV previews.

Shipped by the Zed Guild 🛡️

• Improved branch filtering with all, local, and remote options in the branch picker. (#60857; thanks chirivelli)
• Settings UI: Improved support for window widths below 900 px. (#60786; thanks feitreim)
• Improved semantic token highlighting to distinguish function parameters from local variables. (#60949; thanks lingyaochu)
• Fixed workspace diagnostics being cleared when closing a buffer. (#59875; thanks lingyaochu)
• Git: Fixed the GPG signing passphrase prompt appearing on every commit when gpg-agent had the passphrase cached or the key was unprotected. (#61265; thanks RemcoSmitsDev)
• Fixed toolchain selection being ignored when Pyright or Basedpyright settings were configured without specifying a Python interpreter path. (#59990; thanks lingyaochu)

This week’s release includes dedicated Staged Changes and Unstaged Changes multibuffers where you can review, stage, unstage, or restore individual hunks; Git Graph improvements including configurable columns and full commit messages rendered as Markdown; and a preview pane in the project symbols picker.

Features

AI

• Agent: Added support for searching (cmd-f on macOS, ctrl-f on Linux/Windows) inside of terminal threads. (#60292)
• Added “Agent Panel” and “Git Panel” items to the “View” menu. (#60356)
• Improved the agent panel’s turn-end actions: thread feedback is now also available via “Positive Feedback” and “Negative Feedback” slash commands (typed as /helpful and /not-helpful) in the message editor, a new copy button copies the last agent response, and “Open Thread as Markdown” moved into the agent panel menu. (#59974)
• Agent: Improved onboarding experience when installing ACP agents. (#60452)
• ACP: Added support for boolean toggles in ACP session configuration for agents that use them. (#60446)
• Improved memory usage of ACP terminals after the tool call exits. (#60019; thanks hbackman)

• Fixed an issue with npm v12 that could cause language server startup failures (#60870)

• agent: Added GPT 5.6 Sol & Terra for ChatGPT subscription. Note: GPT 5.6 Luna is not available yet, since OpenAI has not unlocked access for third-party clients (#60745)

• open_ai: Added support for GPT 5.6 Sol/Terra/Luna (#60699)
• cli: Fixed an issue where the previous workspace would not be restored when using cli_default_open_behavior: new_window and no path was provided (#60672)

This week’s release includes llama.cpp as a new language model provider, a new git.inline_blame.location setting to control where current-line blame is shown (inline or status bar), and disabling format-on-save by default, alongside the move of LLM providers, external agents, and MCP servers into the settings editor, plus a bunch of bug fixes.

Features

AI

• Agent: Added setting to exclude project rules files from commit message generation prompts (agent.commit_message_include_project_rules). (#56867; thanks ilavisharma)
• Added llama.cpp as a language model provider. (#59964; thanks hanouticelina)
• Agent: Changed the default behavior of queued messages for the Zed agent so that they get send at the end of the generation. The ability to steer them (i.e., send the message at the end of a turn boundary) is still possible to be toggled. (#59310)
• Improved agent thread summary and title generation to respect compaction boundaries. (#60141)

This week’s release adds Telescope-style resizable pickers with file and text finder previews (resolving a request with 860 👍s), including a new search modal that previews results live as you type, opened via the text finder: toggle action in the command palette, plus search in the Agent Panel.

Features

AI

• Added in-thread search to the Agent Panel (Ctrl/Cmd+F). (#57231; thanks dandv)
• Added an entry to the Agent Panel options menu to quickly add a remote MCP server. (#59359)
• Improved saved thread model selection for cloud-based providers. (#59417)
• Improved Agent Panel file search results from the agent’s grep tool so they open files at the matched line when clicked. (#59230)
• Included the thread title in Agent Panel notifications when Zed is not focused. (#59377; thanks e-compton)
• Added GLM 5.2 and Kimi K2.7 Code to OpenCode Go, and made DeepSeek V4 Pro available for OpenCode Zen. (#59236)

This week’s release adds Telescope-style resizable pickers with file and text finder previews (resolving a request with 860 👍s), including a new search modal that previews results live as you type, opened via the text finder: toggle action in the command palette, plus search in the Agent Panel.

Features

AI

• Added in-thread search to the Agent Panel (Ctrl/Cmd+F). (#57231; thanks dandv)
• Added an entry to the Agent Panel options menu to quickly add a remote MCP server. (#59359)
• Improved saved thread model selection for cloud-based providers. (#59417)
• Improved Agent Panel file search results from the agent’s grep tool so they open files at the matched line when clicked. (#59230)
• Included the thread title in Agent Panel notifications when Zed is not focused. (#59377; thanks e-compton)
• Added GLM 5.2 and Kimi K2.7 Code to OpenCode Go, and made DeepSeek V4 Pro available for OpenCode Zen. (#59236)

This week’s release includes the ability to create a new worktree right from the sidebar’s new-thread button, a new agent.terminal_init_command setting to automatically run a command when opening a new agent terminal thread, a workspace: reset pane sizes command to reset all panes to equal sizes, and new editor: select inside delimiters / editor: select around delimiters actions for expanding a selection through nested brackets and quotes.

Features

AI

• Sidebar: Enabled creating a new worktree from the sidebar’s “new thread” icon button. (#59341)
• Sidebar: Improved the archive “Search all threads” view so you can filter by project name, not just by thread title — handy when many projects are open. (#58214; thanks KevinLaveto)
• Agent: Improved edit tool performance with a more succinct success response. (#59335)
• Agent: Improved scroll smoothness while a response is streaming. (#59002)
• Agent: Improved truncation of long configuration button labels for external agents. (#57808; thanks Bitaru)

This week’s release includes automatic agent context compaction that you can also trigger manually with the new /compact command, cleaner and more legible Markdown preview styling, and support for running custom git commands on git graph branches and tags.

Features

AI

• Agent: Added auto-compaction and /compact to Zed Agent. (#58931)
• Agent: Improved agent skills management by moving it into the settings UI. (#58701)
• Agent: Improved how we communicate problems relative to skills, in both the agent panel and the settings UI. (#58838)
• Agent: Improved the UX of the thread import flow. (#57791)
• Agent: Improved auto scroll location when using read-file tool. (#58640; thanks liigo)
• Agent: Show context window usage and cost metrics for external agents that support it. (#58680)
• Agent: Allow deleting sessions from history for external agents that support it. (#58680)
• Agent: Allow loading skills whose descriptions exceed the 1024-byte limit by showing warnings instead of failing to load them. (#58356)

This week’s release includes the ability to open a Git diff for a single file in its own dedicated tab from the Git panel, “Fast mode” for Anthropic and OpenAI models in the agent panel, shareable agent skill links, split diff mode in the commit history view, total added/removed line counts in the Git panel, and the ability to open files from the file finder without dismissing it.

Features

AI

• Agent: Added a way to share skills via links. (#58009)
• Agent: Added support for symlinked global skill directories. (#58095; thanks David3u)
• Agent: Added a manual way to trigger the Rules to Skills migration. (#58278)
• Agent: Improved project skills support in remote workspaces. (#58094)
• Agent: Improved skill creation toast confirmation by making it auto-dismissed. (#57855)
• Agent: Added Claude Opus 4.8 BYOK support. (#57984)
• Agent: Added a right-click menu to thread items in the sidebar, allowing to regenerate a thread title, rename a thread title, open the thread as markdown, and archive it. (#58232)

• Add Claude Fable 5 to Anthropic BYOK. (#58957)
• Fixed a bug where clicking the button to trust a git repository would do nothing. (#58716)

• Fix crash that could occur when unsplitting a side by side diff view (#58695)
• acp: Fix for certain ACP Registry agent downloads not starting (#58633)
• Update both editor: go to diagnostic and editor: go to previous diagnostic to prefer activating the diagnostic under the cursor before jumping to the next or previous diagnostic, respectively (#58603)
• Fixed high CPU usage when using Zeta in some cases (thanks @clupprich!) (#58591)
• Fixed a crash that could occur while streaming agent edits containing multibyte characters. (#58452)
• Fixed an issue where Zed would stop responding to file system changes in some cases (#58692

This week’s release includes a new Mermaid renderer with faster and more accurate diagrams, clickable document links provided by language servers, and the ability to rename threads directly in the sidebar.

Features

AI

• Agent: Made the Skill Creator window resizable and its contents scrollable when the window is smaller than the form. (#57754)
• Agent: Improved read_file tool output rendering with a line-number gutter. (#56779)
• Agent: Improved scrolling smoothness when expanding read_file tool calls with large file outlines. (#57287)
• Agent: Improved visibility of pending tool call confirmations when they are scrolled out of view in the Agent Panel. (#57632)
• Agent: Added a notification indicator to collapsed project headers in the sidebar when a thread completes. (#57322)
• Agent: Added Fast Mode (priority service tier) support to OpenAI models used through the ChatGPT subscription provider. (#57436)
• Agent: Added Fast Mode (priority service tier) support to the OpenAI API provider. (#57412)

• copilot: Fixed an issue where using GPT models would return an error in invalid_request_body (#57979)

• Fixed GitHub Copilot Chat showing an empty model dropdown for users on newer Copilot SDK builds (#57965)

This week’s release includes support for agent skills, a global AGENTS.md file for user-wide agent instructions, the ability to choose a base branch in the branch diff view, and a new editor: toggle all diff hunks action.

Features

AI

• Agent: Added support for skills.
• Agent: Added support for a global AGENTS.md file alongside settings.json for user-wide instructions that are included in every project’s system prompt. (#56757)
• Agent: Added commands to open global and project-specific AGENTS.md rules. (#57847)
• Agent: Added agent: new terminal thread for defining custom shortcuts to launch an Agent Panel terminal thread. (#57400)
• Agent: Added support for image output from MCP tools. (#57134)
• Agent: Added support for OAuth client pre-registration with a client ID and client secret in the built-in MCP client. (#52900)
• Agent: Improved file and skill mention disambiguation in the Agent Panel. (#50097; thanks jmg-duarte, #56926)

• Fixed a bug on macOS where Git operations could be blocked depending on the timing of spawning child processes. (#57662)

• Fixed npm-backed tool installs to better respect npm release-age filters. (#57439)
• google: Support thinking levels for Google models. (#57394)
• Added support for Gemini 3.5 Flash in the Google AI model provider. (#57392)

This week’s release includes the ability to create Terminal Threads from the sidebar and Agent Panel, a Git panel branch history view and support for running custom Git commands from the Git Graph context menu, inline image and Mermaid diagram rendering in the agent, a new subagent_model setting, optional text icons for completion items ("completion_menu_item_kind": "symbol"), and Vim g z jump-to-word navigation.

Shipped by the Zed Guild 🛡️

• Added built-in language server support for Bash. (#52811; thanks lingyaochu)

Learn about the Zed Guild.

Features

AI

• Added the ability to create Terminal Threads in the Sidebar and Agent Panel. (#56685)
• Agent: Added setting subagent_model to specify which model is used when a subagent is spawned. (#56203)
• Agent: Added support for rendering inline images. (#56427)
• Agent: Added support for Mermaid diagrams. (#56430)
• Agent: Improved UX when agent tries to edit unsaved buffer. (#55655)

• git: Fix git blame processes not getting dropped properly. (#56912)

• Added support for specifying effort level when using OpenAI models via ChatGPT subscription (#56872)
• Always pass null when body is non-existent in Vue language server request (#56827)

• Fixed pressing “New Thread” (or Cmd-N) doing nothing when the Agent Panel’s Settings view was open (#56818)

• Added ChatGPT subscription provider, allowing users to use their ChatGPT Plus/Pro subscription with the Zed agent. (#56811)
• Removed deprecated OpenAI models.
• Added support for gpt-5.4-nano/mini models for the OpenAI provider.
• Improved output quality when using OpenAI models. (#56809)
• Added support for specifying effort level when using OpenAI models. (#56808)
• Fixed an issue where file system events or language server events that resulted in Zed unwatching many paths would cause high CPU usage. (#56806)
• Agent: Fixed squashed message editor when limit_content_width=false. (#56687)

This week’s release includes more reliable Agent edits, Git Graph remote support, the ability to use the project panel’s View History action on folders, and improved text rendering clarity on macOS.

Shipped by the Zed Guild 🛡️

• Terminal: Improved 256 color ANSI rendering. (#54565; thanks feitreim)
• Git Panel: Fixed empty state labels in the git panel becoming left-aligned when wrapped to multiple lines. (#55235; thanks dongdong867)
• Fixed “Diagnostics” in Editor Controls re-enabling itself after being manually disabled. (#52907; thanks OmChillure)
• Fixed agent profiles with enable_all_context_servers: true ignoring per-tool false overrides in context_servers, allowing agents to call tools the user had explicitly disabled. (#54863; thanks OmChillure)

Learn about the Zed Guild.

Features

AI

• Agent: Improved the edit tool so it can still apply edits when a file has changed on disk, as long as the target text still matches. (#55606)

• Fixed some issues where the activity indicator would show the wrong icon and not be clickable on errors present. (#56471)
• Fixed a memory leak with diffing non-existing files with Zed cli (#56445)
• Fixed edit prediction provider menu checkmarks for active non-Zed providers. (#56292)
• Fixed an issue where project files would take a long time to appear when opening Zed on a file system that requires polling (#56207)

• Fixed local zeta2 edit predictions using the wrong prompt format. (#56192)
• Fixed an issue where broken symlinks, permission errors, or other fs errors in watched directories could cause excessive CPU usage (#56175)
• Fixed a rare panic when invoking helix motions on an editor that had not yet been laid out. (#56062)
• Fixed missing reload implementation for markdown preview. (#56027)

• Fixed ACP agents failing to launch on Windows with “The system cannot find the file specified” (#55947)
• Fixed inotify event queue overflows on Linux (#55942)

We’re announcing a Business plan for Zed. Org-wide controls for AI models, spend tracking per member, and data policies your security team can enforce.

This week’s release includes a panel layout switcher (classic, agentic), LSP code lens support, Helix amp jump navigation (g w), DeepSeek V4-Pro/Flash and OpenCode Go provider support, a git graph view replacing file history, split diff in the agent and file diff panels, GFM alert callouts in markdown preview, and a new line_ending setting with .editorconfig end_of_line support.

Shipped by the Zed Guild 🛡️

• Made table-cell markdown checkboxes clickable in markdown preview, matching list-item checkbox behavior. (#54747; thanks iam-liam)
• Added vim mode navigation to git graph. (#53609; thanks nihalxkumar)
• Helix: Fixed some commands that you might want to use when you have no panes open, like project or symbol search. (#51434; thanks feitreim)
• Agent: Fixed the threads sidebar overlapping the window control buttons on Linux and Windows. (#54755; thanks OmChillure)

• Fixed an issue where agent failed to apply edits in some cases (#55500)

Today is a big day for us. Zed is now 1.0! 🎉🥳🎊 Read Nathan’s blog post on what 1.0 means and where we’re going.

This week’s release includes bookmarks support, a new git: view commit command palette action, GIF animation support in the Markdown preview, and support for DeepSeek-V4-Pro and DeepSeek-V4-Flash models.

Shipped by the Zed Guild 🛡️

• Added bookmarks: Toggle bookmarks on lines with editor: toggle bookmark, navigate with editor: go to next bookmark / editor: go to previous bookmark, view all bookmarks with editor: view bookmarks, and clear with workspace: clear bookmarks. Bookmarks are shown in the gutter and persisted across sessions. (#51404; thanks austincummings)
• Fuzzy Nucleo: Improved the performance of path matching. (#54112; thanks feitreim)
• Improved fuzzy matching in the command palette, branch picker, tab switcher, and recent projects picker to support multi-word queries. (#54123; thanks feitreim)
• Vim: Fixed screen flickering during motions. (#52270; thanks feitreim)

• Added support for GPT 5.5 and GPT 5.5 Pro via the OpenAI provider (#54829)

• Fixed agent threads appearing to be missing after upgrading to the parallel-agents sidebar. The thread-metadata migration was racing against the on-disk thread store’s async reload and skipping itself on every launch. Upgrading to this build runs the migration successfully; previously-missing threads are surfaced either in the sidebar (5 most recent per project) or in the archive view. (#54752)

• agent: Fixed an issue where clicking on “New from summary” would not do anything (#54658)
• git: Fix create worktree hook tasks running when switching worktrees (#54643)

• git: Fix remote branch picker (#54576)