Antigravity in Alter

TL;DR: Antigravity is now a first-class coding agent in Alter. Delegate work to run in the background, then follow its session directly in Alter while you keep working.

New Features & Enhancements

• Antigravity coding agent: Delegate coding tasks to Antigravity from Alter, manage them from the Hub, and follow the session natively while the work runs in the background.
• Coding session viewers: Inspect live and saved coding-agent sessions in read-only Alter tabs, with streaming conversation content and provider-native history.

Bug Fixes & Stability

• Conversation startup: Show your first message sooner, and prevent cancelled or failed launches from blocking other conversations or retries.
• Coding tools: Improve local installation checks, and support OpenCode 2 and later.
• Transcription: Improve processing warnings and error details, preserve SDK and speaker-model diagnostics, and make automatic calendar matching best-effort.

Inline Actions

TL;DR: Inline Edition lets you refine AI output where it lives. Select any text in the Hub or QuickHub to edit, comment, or run an Alter Action directly, without a new conversation turn. Enable custom Actions once in the Tools Manager and make them available wherever you select text in Alter.

New Features & Enhancements

• Inline Actions: Comment and edit text selections directly and without the need to multiply conversation turns.
• Markdown documents: Added Mermaid diagram and LaTeX rendering, including adaptive Mermaid styling and inline single-dollar LaTeX.
• Provider catalogues: Refreshed ChatGPT models from the live account catalogue and added live Grok model discovery.
• Dictation: Added a global shortcut for dictation, with Escape as the default shortcut to cancel dictation.

Bug Fixes & Stability

• Tools: Fixed Pipedream tool collisions.
• Conversations and search: Fixed a crash on conversation search.
• Speech and transcription: Preserved partial results, improved failure recovery and diagnostics, extended transcription and diarization limits to twenty minutes, and resolved timing and audio-buffer issues.
• Transcript metadata: Ensured selected custom models are used for title and summary generation, with more consistent request logging.
• Hub and marketplace: Fixed a crash when navigating the Action Marketplace.
• Apps and context capture: Improved discovered application metadata, coalesced AppSense captures, and bounded context startup work.
• Notch: Fixed action input handling and improved the clear controls on the left.
• Shortcuts: Fixed some shortcut handling.

Hotfix Gateways + Run Actions Tool

TL;DR: This hotfix restores reliable gateway handling and Run Action input handoff, with transcript search and deployment stability improvements included.

New Features & Enhancements

• Transcript search: Search for specific text within transcripts.

Bug Fixes & Stability

• Gateways and Run Action: Restored gateway support and Run Action input handoff.

Chat to Create and Manage Your Alter Actions

TL;DR: It’s never been that easy to create your own AI agents on Alter. Everything you’ve been able to do through the action editor can be done with the chat in our new panel My Actions: create, edit, connect and configure tools, MCP servers, debug and link them to a gateway. Everything.

New Features & Enhancements

• My Actions manager: A unified management experience replaces the standalone Editor.
• Chat-driven editing: Create and edit actions with natural language, quickly set shortcuts and schedules.
• Quick Actions, tools, apps, MCP, and skills: Expose and configure all action resources from the manager, including MCP servers and Quick Actions in chat.
• Diagnostics and export: Scan diagnostics across actions, show reviewed alerts, and export manager commands.
• Grouped conversation turns: Reasoning and tool calls grouped within a single turn in chat.
• Meeting speakers: Speaker icon from Contacts in transcript.
• Composer shortcuts: Command-Option-V pastes composer text inline; Shift-Enter inserts a new line.
• New Models: GPT 6.1 Sol & Claude Sonnet 5.5.

Bug Fixes & Stability

• Hub and navigation: Find shortcuts route to the focused pane; pending input and switcher focus preserved across transitions.
• Runtime discovery: Fixed ChatGPT and Cursor runtime discovery.
• Dictation: Add support for Qwen3-ASR on M1 macs
• Composer and Flow: File menu routes by active window; explicit background model selection honored fro Flow.
• Meeting transcript: Scroll-to-top with sticky header.
• Workspaces: Removed recursive workspace snapshots and automatic output discovery for faster results in large folders.
• Performance: Editor chat draft updates isolated to reduce re-rendering.

Local Speaker Memory

TL;DR: Now Alter remembers speakers and it’s all local. After a meeting, tag the speakers and it will learn voices overtime for your next meetings. Search has been extended to suggest names from your contacts, all on your Mac.

MacOS 15 is now the minimum requirement, we’re dropping macOS 14 support.

New Features & Enhancements

• Local speaker identification: Nemotron diarization with Pyannote voiceprints identifies speakers entirely on-device, matching enrolled voices after a single sample.
• Speaker name picker: Pick or confirm speaker names from contact suggestions, with persistent colors and a forget button when Alter gets it wrong.
• Transcript redesign: Redesigned meeting transcript display with inline speaker editing, cleaner summaries, and header participants derived from the transcript text.
• New speech models: Qwen3-ASR and Japanese Parakeet models.
• Conversation sharing: Share discussions from the tab bar and command palette, with loading indicators in the list and tab name.
• Arabic localization: Full Arabic UI support, including speech model and speaker review strings.
• New models: GPT-6 Luna & Sol, Sonnet 5, Mimo 2.6 Flash & Pro, Qwen3.8 27B

Bug Fixes & Stability

• SpeakerKit downloads: Deferred until diarization is actually needed, reducing startup overhead.
• Buzz: Fixed live delivery across multiple channels.
• Token limits: Raised default response token limit and capped local requests.

Share Conversations

TL;DR: Share your Alter chats with coworkers, friends or collaborators. Publish a conversation as a link, copy it instantly, and update or remove the share whenever the discussion changes.

New Features & Enhancements

• Conversation sharing: Share any chat as a public link so others can read the full discussion without needing Alter installed.
• Share menu: Copy, update, or remove an existing share from the discussion menu, handy when a thread evolves and you want collaborators on the latest version.
• Hub transcript controls: Regenerate title, summary, or both directly from the Hub transcript view.

Bug Fixes & Stability

• Hub switchers: Hidden switchers are recovered correctly after transcript corrections.
• Actions: Unused user parameters are ignored to avoid spurious validation errors.

Connect Your Alter Agents on Buzz

TL;DR: Connect your Alter agents on Buzz where people and agents work together. In other word let other people use your Alter actions! Plus editor, hub, and other fixes.

New Features & Enhancements

• Buzz gateway: Buzz integration lets you connect and run Alter agents on Buzz, the platform to collaborate between humans and agents.
• Conversation fork: Fork persistence is now linear for faster, more reliable saves.

Bug Fixes & Stability

• Hub: Opening a tab no longer changes its updated_at date.
• Voice processing: Model changes are deferred safely to avoid mid-session disruption.
• Pinned search: Less CPU usage while searching results and having favorites.
• Scheduling: Tools are recovered before scheduled actions run.
• Editor: Fixed crashes on folder creation and deletions.
• Sandbox: Code runner tool is always shown.
• Transcript: Fix failures on summary and title generation.

Read Link and Hub Preview Tabs

TL;DR: Alter can fetch and read web pages with the new Read Link tool and Hub tabs now open in VS Code-style preview mode, and a other quality-of-life fixes landed from community feedback.

New Features & Enhancements

• Read Link tool: New default LLM tool for fetching a URL. Supports plain text, Markdown, HTML, PNG/JPEG/WebP images, and PDF/DOCX/XLSX documents.
• Hub preview tabs: Hub tabs now open in a VS Code-style preview mode. Preview tabs are replaced when opening another item.
• Generate title: Right-click on chats and meetings from the Hub sidebar context menu and click Generate titles to regenerate from their context.
• New Models: Gemini 3.8 flash, Cerebras Qwen 3.8 27B, Qwen 3.8 Flash, GLM 5.3 and GLM 5.3 Flash

Bug Fixes & Stability

• Task tool: tools is no longer required.
• Coding tools: New coding-tool sessions default their working directory to the current workspace directory.
• Title generation: Fixed an issue where titles and meeting short summaries were not being generated
• Conversation links: Safe local file:// URLs are allowed where appropriate in conversation content.
• Quick Hub: Faster text selection capture when invoking quick actions.
• Quick actions: Originating presentation closes correctly after use.
• Straico: Removed the integration.

Grok and Pi Coding Tools, Plus Scheduled Gateway Hours

TL;DR: Run Grok and Pi as local coding tools from Alter, connect Grok as a custom provider via subscription OAuth, and schedule when your gateways are available with automatic wake.

New Features & Enhancements

• Grok coding tools: Run and manage Grok coding tasks from the Hub with a full local tool integration.
• Pi coding tools: Add Pi as a local coding tool you can launch and monitor from Alter.
• Grok custom provider: Connect Grok as a custom model provider via subscription OAuth in Settings.
• Scheduled gateway hours: Gateways can follow an open-hours schedule, waking automatically when availability starts.
• Transcription replacements: Custom dictation replacements now apply across speech workflows, not just live dictation.

Bug Fixes & Stability

• OpenCode: Standalone session command works correctly.
• ChatGPT / Codex: Detached task continuation and async coding task results in gateways are handled reliably.
• Discord: Improved chat resume context when picking up gateway conversations.
• Gateways: Sleep is restored when availability stops.
• Hub: Empty composer switchers dismiss correctly; single-character action search works.
• Quick actions: Batch deletion is supported.
• Dictation: Custom replacements are more reliable.

Manage Your Coding Agents in Alter

TL;DR: Manage your coding agents in Alter — run and monitor Cursor, Claude Code, Codex, ChatGPT, and OpenCode sessions from the Hub and QuickHub.

Video:

New Features & Enhancements

• Local coding tools: Integrate Cursor, Claude Code, Codex/ChatGPT, and OpenCode as local session tools you can launch and control from Alter.
• Details bar: The right sidebar has a new design and section to display ongoing tasks, artifacts, sources and tool call details.
• Composer context: The composer shows which action is currently in use.
• Export chat frontmatter: Exported chats include frontmatter with the model used.

Bug Fixes & Stability

• Localization: Refreshed translations for French, Spanish, Italian, Portuguese, German, Simplified Chinese, and Traditional Chinese.
• Hub: Attach transcript context before send, preserve sources after sending, focus workspace search on popover open, defer tab context menus until hover popover teardown, and align sidebar section padding with list items on macOS 26+.
• Action Editor: Disable Tools switch state persists across section changes; section double-click no longer opens onboarding.
• Conversation view: Hide turn index for single-turn conversations.
• Streaming: Surface HTTP errors during chat streaming.
• Transcription: Harden model readiness checks.
• Menubar: Unclip the first status-item menu row.
• Share file: URI-decode paths when % characters are present.