Changelog

New updates and improvements to This Machine.

March 18, 2026

  • AddedPlatform API credits — use machines without bringing your own Anthropic API key
  • AddedPer-machine monthly spend limits for budget control

March 17, 2026

  • AddedSlack bot integration — connect Slack channels to machine threads
  • ChangedMachine settings moved from modal to dedicated page tab
  • FixedMobile sidebar toggle accessibility

March 12, 2026

  • ChangedCleaner machine list cards without description text
  • FixedTask threads no longer inflate machine unread counts
  • FixedFile explorer layout and replace workspace feature

March 11, 2026

  • ChangedTabs automatically close when a machine is archived, deleted, or left
  • ChangedPrompt input clears immediately on send for snappier feel

March 10, 2026

  • ChangedOptimistic updates for sidebar actions and message sending

March 9, 2026

  • AddedBrowser-style tab system for opening multiple threads simultaneously
  • ChangedUnread indicators moved from sidebar to thread tabs with shimmer effect
  • ChangedSidebar toggle moved into sidebar header
  • FixedThreads stuck in "generating" status after completion
  • FixedAI-generated thread titles containing conversational filler instead of summaries
  • FixedTerminal connection overlay and tab styling inconsistencies
  • RemovedRecent threads section from sidebar (replaced by tab system)

March 6, 2026

  • ChangedMachine tasks moved to dedicated /tasks page with list and calendar views
  • FixedAskUserQuestion and ExitPlanMode not pausing agent execution

March 5, 2026

  • FixedDuplicate slash command entries appearing due to case sensitivity

March 4, 2026

  • AddedScheduled task threads grouped into collapsible sidebar folders
  • ChangedPermission modes simplified to Execute and Plan
  • Changed'Env Variables' tab renamed to 'Secrets' for consistency
  • ChangedRemoved [Task] prefix and folder chevron from task thread titles
  • FixedFalse positive file path linkification for dotted strings and IP addresses
  • FixedImage-only messages failing due to empty text block
  • FixedMy Machines section hidden when no personal machines exist
  • FixedSkill installation using display name instead of skill ID

March 3, 2026

  • AddedStructured error logging for generation failures
  • FixedAuto-approve bug caused by approval keyboard listeners leaking across threads
  • FixedStale error state persisting when starting a new generation
  • FixedStale readiness-check session blocking new sandbox sessions
  • FixedScrollArea content overflowing instead of scrolling

March 2, 2026

  • AddedClone machine dialog with always-visible org picker
  • AddedOrganizations, skills, terminal, DMs, GitHub/GitLab, and published sites added to user manual
  • ChangedMachine settings, connections, and history moved from tabs to sidebar dialogs
  • ChangedOrg settings moved to standalone route with sidebar dialog
  • ChangedNew org form requires API key upfront, description removed
  • ChangedImproved blank slate machine template with self-configuring CLAUDE.md
  • ChangedButton, link, and dialog text converted to sentence case
  • FixedOrg switching causing infinite loop and RSC fetch cycle

February 25, 2026

  • AddedCreate machine from local directory with drag-and-drop upload
  • AddedChoose custom icon when creating machine from directory
  • AddedMachines can publish multiple independent sites via optional slug
  • FixedCreate from directory option missing in new thread view

February 24, 2026

  • AddedCLAUDE.md improver skill for auditing and updating project memory files
  • AddedOrg API key support for clone and folder machine creation
  • ChangedTask and TaskOutput tool calls renamed to Agent and AgentOutput in chat UI
  • FixedPlan denial stuck on 'Awaiting plan approval'
  • FixedOrg machine clone not preserving org ownership
  • FixedMachine creation from org plus icon not associating with org

February 23, 2026

  • AddedMachine DM system for inter-machine communication with blocking support
  • AddedToken-based organization invite links for easier team sharing
  • AddedCustom deny reasons when rejecting plans in plan mode
  • AddedStatic site publishing powered by here.now
  • Addeddelete_published_site tool for agents to manage deployments
  • AddedCLAUDE.md self-configuration scaffold for new machines
  • ChangedTool approval, plan approval, and question UI redesigned to match tool card style
  • ChangedThinking block spacing and styling aligned with tool cards
  • ChangedDM messages attributed to source machine instead of sending user
  • FixedGeneration silently failing after sandbox resume
  • FixedAskUserQuestion submit button appearing to do nothing
  • FixedAskUserQuestion failing with non-ASCII question text
  • FixedPreview URL tool card showing raw JSON instead of clean URL
  • FixedThread tabs overflowing in narrow viewports
  • FixedGeneration timer continuing after pressing stop
  • FixedCollapsed machine indicator layout in sidebar

February 20, 2026

  • ChangedEmpty organizations in sidebar now show create buttons for quick access
  • FixedPreview URL port validation to match Daytona's 3000-9999 range

February 19, 2026

  • AddedKeep Alive toggle on sandbox to prevent 15-minute auto-stop
  • AddedTerminal scrollback persists across page reloads for multiplayer sessions
  • ChangedChannel names use # prefix instead of icons, matching Slack conventions
  • FixedUpload button alignment in Files header
  • FixedOrg selector incorrectly shown when creating machine from sidebar group

February 18, 2026

  • AddedOrganizations for Team tier subscribers with shared API keys and machine grouping
  • AddedTeam tier for private enterprise teams
  • AddedGitLab support (cloud + self-hosted) with glab CLI integration
  • AddedGitHub token support for private repo cloning and GitHub CLI integration
  • AddedOrganization API key option during machine creation
  • ChangedGitHub integration uses gh CLI instead of MCP server for better reliability
  • ChangedMachine settings converted to vertical sidebar layout
  • ChangedSkills step removed from machine creation dialog
  • ChangedChannels restricted to organization-only feature
  • ChangedSidebar groups machines by organization membership
  • FixedOrganization member count double-counting the owner
  • FixedDouble generation timer showing in thread view
  • FixedInvitation acceptance page flashing before redirect
  • FixedUpload button shifting position in file explorer header
  • FixedCompute billing tier detection for Team subscribers

February 17, 2026

  • AddedClaude Code subscription auth as alternative to API keys
  • ChangedSonnet 4.6 is now the default model
  • ChangedTerminal UI polish with dynamic theme colors and improved connection handling
  • ChangedRemoved API key modal gate from thread views
  • FixedTerminal history lost when switching between tabs

February 13, 2026

  • FixedOverly-aggressive file path linking highlighting non-path text in messages

February 12, 2026

  • AddedComposio Connections tab for managing OAuth integrations per machine
  • AddedHover toolbar on channel messages with copy and reply actions
  • Added@user mentions in team chat with notification support
  • AddedMachine-to-machine messaging in channels
  • AddedLong-running sandbox support with rolling token expiry
  • Added3-layer retry resilience for agent process reliability
  • ChangedTool call UI redesigned to compact disclosure style
  • ChangedRemoved "Forked" badge from thread breadcrumbs for cleaner navigation
  • FixedFirst message to upgraded sandbox failing silently
  • FixedChanged files list pushing controls out of view
  • FixedCommand palette hydration mismatch on page load

February 11, 2026

  • AddedMachine identity awareness in agent system prompt
  • ChangedTask and TaskOutput tool calls grouped together in chat UI
  • ChangedPer-model cost breakdown moved from popover to Usage tab
  • FixedSkill installation failing on machines created without skills
  • FixedNon-working slash commands still appearing in picker

February 10, 2026

  • ChangedRedesigned AI Usage page with stacked bar chart grouped by machine
  • AddedPer-model usage tracking and generation audit trail
  • AddedUser-level environment settings for machine instructions
  • AddedPublished sites displayed in sidebar with delete option
  • AddedScroll-on-hover for long machine names in sidebar
  • AddedSkill Creator skill available for all machines
  • ChangedRemoved link safety confirmation dialogs for smoother navigation
  • FixedNotification dropdown overflowing instead of scrolling
  • FixedTask edit dialog overflowing screen with large prompts
  • FixedPlan approval cards stuck on "Awaiting plan approval" after timeout

February 9, 2026

  • AddedMessage search with highlighted matches in command palette
  • AddedWaking up indicator during sandbox resume
  • ChangedChannel members can now use any machine added to their channel
  • ChangedAny channel member can now add machines to channels
  • FixedChannel settings members list overflowing dialog

February 8, 2026

  • AddedCommand palette for quick navigation to machines and threads
  • AddedChannels section and updated Tasks content in manual
  • FixedHorizontal scrolling for code blocks in file preview and chat
  • FixedNotifications appearing faded even when unread
  • FixedExecute permission mode incorrectly requesting approvals and Plan mode not updating UI
  • FixedThread title generation failing when machine uses its own API key
  • FixedTodo bar showing stale todos from previous generations
  • FixedNotification badge not clearing after approving a tool
  • FixedDuplicate skills appearing in slash command picker
  • FixedCalendar week view showing duplicate events and inconsistent row heights
  • FixedNotifications dropdown overflowing its container
  • ChangedReduced sandbox compute resources to 2 CPU / 4 GiB RAM / 8 GiB disk

February 7, 2026

  • AddedTyping indicators in channels and channel threads
  • AddedReply threads in channels for focused conversations
  • Added@user mentions in channels with notification support
  • AddedText selection references in chat messages and team comments
  • AddedIn-app notification system for tool approvals, plan approvals, and agent questions
  • ChangedChannels feature flag auto-enabled when accepting a channel invite
  • FixedTodo dropup menu persisting after generation completes
  • FixedPaid users seeing free tier compute limit after billing period rollover

February 6, 2026

  • AddedChannels: real-time team collaboration spaces with @machine mentions to spawn AI threads
  • AddedCalendar week view as Tasks tab in thread views

February 5, 2026

  • AddedCollapsible file mention cards for @-mentioned files in chat
  • AddedTimezone selector for scheduled tasks
  • ChangedUpgraded to Claude Opus 4.6

February 4, 2026

  • AddedMermaid diagram rendering in file preview and chat
  • ChangedLarger prompt input area with doubled maximum height
  • FixedText selection lost when right-clicking in file preview
  • FixedUnable to re-add Anthropic API key after deleting it
  • FixedLong AI responses causing errors due to message size limits
  • FixedUnsupported CLI-only commands appearing in slash command picker

February 3, 2026

  • AddedTimestamp separators between conversation turns for better message history navigation

February 2, 2026

  • AddedClickable file paths in chat messages and tool outputs to jump directly to files
  • AddedAuto-resume sandbox when clicking file paths while sandbox is stopped
  • AddedCollapsible thread lists in sidebar with 'Show more' button for machines with many threads

January 30, 2026

  • AddedThread-isolated git worktrees for parallel experimentation without affecting main workspace

January 29, 2026

  • AddedCreate invite links directly from machine sidebar menu
  • AddedCreate new machine from any thread
  • AddedPrivate threads visible only to their creator
  • AddedPending approval indicator in sidebar for threads awaiting input
  • AddedVisual nesting for subagent tool calls
  • AddedKeyboard shortcuts for tool approvals (Enter to approve, Escape to deny)
  • AddedType in chat input while AI is generating a response
  • ChangedIncreased sandbox compute resources for faster builds
  • FixedRejected plans stuck showing 'Awaiting plan approval'
  • FixedAgent unable to continue after tool denial in Accept Edits mode
  • FixedPermission mode dropdown appearing on top of its trigger
  • FixedSkill browser install count pushed out of view

January 28, 2026

  • AddedSkills browser for machine creation with curated skill selection
  • AddedInstall skills on existing machines via sidebar menu
  • ChangedTerminal upgraded to full xterm.js with real PTY connection
  • AddedTerminal theme support matching app light/dark mode
  • AddedWorkspace navigation restriction in terminal

January 27, 2026

  • AddedRename threads directly from the thread header
  • ChangedInvite links now show a preview page before joining for logged-in users
  • ChangedPlan mode now blocks modifying tools entirely instead of requiring approval
  • ChangedSubtler current state indicator in workspace panel
  • FixedSandbox upgrade reliability with state-based timeouts and running sandbox support
  • FixedPermission denied error when copying workspace files during upgrade
  • FixedTruncated filenames in changed files indicator

January 26, 2026

  • AddedDownload folders as ZIP archives from file explorer
  • AddedInline image preview in file explorer
  • AddedWorkspace versioning with git-based restore to any previous state
  • AddedTerminal tab for direct command execution in sandbox
  • AddedAutomatic sandbox error recovery
  • FixedBackground MCP servers closing after agent completes

January 25, 2026

  • AddedUpload files and folders directly to the file explorer
  • AddedDelete files and directories from file explorer
  • AddedScheduled tasks are cloned when cloning a machine
  • AddedUnread notification indicator on collapsed sidebar machines
  • AddedViewers prompted to clone machines they're viewing
  • ChangedSandbox archiving now happens silently in the background

January 24, 2026

  • Added"Run Now" button to execute scheduled tasks immediately
  • FixedSandbox stopping prematurely before 15-minute idle timeout
  • Fixed"Session already exists" error when upgrading sandbox

January 23, 2026

  • AddedAutomatic sandbox snapshot upgrade when resuming from archived state
  • AddedSigned preview URLs for secure file access
  • FixedLong thread titles overflowing in task form dialog
  • FixedDuplicate key error in skill suggestions
  • FixedFalse positive secret redaction in URLs
  • FixedSlash command picker selection state

January 22, 2026

  • AddedType @ in chat to reference files and directories from the sandbox
  • AddedReference files, directories, and text selections from file explorer in chat messages
  • AddedCopy file contents action in file explorer
  • AddedSkill suggestions above prompt input
  • AddedToken usage displayed in generation receipt
  • AddedWeb research and subagent tools available in plan mode
  • AddedRole permissions info shown on invite page
  • AddedManual link in sidebar with Security and Integrations sections
  • AddedLeave machine option for non-owner members
  • ChangedCompact tool and plan approval UI
  • FixedSlash command menu not scrolling on arrow key navigation
  • RemovedNon-functional CLI-specific slash commands

January 21, 2026

  • AddedViewer role for machine members (read-only access)
  • AddedSkill cloud in new thread empty state
  • AddedPre-load skills before first generation
  • FixedCritical auth bypass and shell injection vulnerabilities
  • FixedSlash command autocomplete selecting wrong command on Enter/Tab
  • FixedDanger button text color in light mode
  • FixedToken context overflow on mobile

January 20, 2026

  • AddedFolder upload as machine creation option
  • AddedSlash command autocomplete in chat input
  • AddedThree-dot menu on sidebar machines with Clone and Archive
  • AddedAgent-side tool approval via PreToolUse hook
  • ChangedPermission mode selector replaces plan mode toggle
  • ChangedUser settings now use horizontal tabs layout
  • FixedFile explorer not scrolling with many files
  • FixedMarkdown code block overflow in file preview
  • FixedMachine clone progress modal resetting to first step

January 19, 2026

  • ChangedRedesigned machine creation as 2-step wizard
  • ChangedMachine settings converted to dedicated page
  • FixedContext usage meter showing inaccurate token count
  • FixedMachine limit dialog flashing issues
  • FixedNull pointer error when deleting machine from settings