Speed

By compiling projects to JavaScript, they run 10-100x faster than in Scratch.

Lighter than Scratch

Uses significantly less memory and idle CPU usage than Scratch.

Dark mode

Your eyes will thank you.

60 FPS

Replace Scratch's default 30 FPS with any framerate of your choosing or use interpolation.

Packager

Built in packager to convert projects to HTML files, zip files, or applications for Windows, macOS, or Linux.

Custom stage size

Change Scratch's default 480x360 stage to any size you like.

Extensions

Includes new extensions such as gamepad and stretch, and supports loading custom extensions.

Remove limits

Remove almost any of Scratch's arbitrary limits, including the 300 clone limit.

Backpack

Put scripts, costumes, sounds, or entire sprites into the backpack to re-use them later.

Tools for developers

Searchable dropdowns, find bar, jump to block definition, folders, block switching, and more.

Tools for artists

Full support for transparency, an improved costume editor, onion skinning, and more.

Cat blocks

Enable the cat blocks addon to get cute cat blocks any day of the year.

v1.14.0 (March 12 2025)

• New extension: Camera V2
• Fixed text bubble font
• Fixed compiler bugs caused by incorrect variable type assumptions after running block in compatibility layer
• Fixed interpreter bugs caused by recursive custom blocks using "stop this script" blocks
• Fixed various other bugs
• macOS: macOS 10.15 devices now need to install a special "legacy" version of the app. It has the same features but will be less secure over time
• Linux: Fixed importing sprites on some systems

v1.13.2 (February 2 2025)

• Fixed disable cloud variables option in the "Edit" menu
• Fixed pause button in packaged projects not adjusting timers used by blocks like "glide to" when unpausing
• Fixed pause button in packaged projects not pausing videos from the video extension
• Fixed files extension failing to download files in packaged projects
• Fixed pointerlock extension returning incorrect values for y position
• Fixed more motion extension "direction to" block returning values in incorrect range
• Fixed more timers extension being affected by system time changes
• Windows: Fixed app name in task manager

v1.13.0 (January 24 2025)

• Added Steamworks extension
• Extension documentation opens inside the app and does not require an internet connection
• Optimized pen rendering
• Improved reliability of file saving
• Removed restricted trademarks
• Various bug fixes and security hardening

v1.12.3 (June 2 2024)

• Fixed one-time data migration from versions before 1.9.0
• Fixed default URL in video extension

v1.12.1 (May 28 2024)

• Updated packager
• Linux: Fixed incorrect metadata in .desktop launcher causing some desktop environments to behave strangely
• Linux: Flatpak version now detects drag-and-drop-related permission issues and suggests how to fix them

v1.12.0 (May 27 2024)

• New extensions: Pen Plus V7, Simple 3D, Mobile Keyboard, Numerical Encoding V2, Ask Before Closing Tab, Font Manager
• Added cloud variables synchronization between all open desktop app windows. This can be disabled under the "Edit" menu
• Added optional Rich Presence support. This can be enabled under the "Settings" menu then "Desktop Settings"
• Optimized project loading by about 10%
• Improved high contrast extension colors
• Fixed protocol handler errors
• Fixed "Allow extensions to access any website" not allowing certain websites to be embedded using Iframe extension
• Various other bug fixes

v1.11.1 (April 13 2024)

• Fixed addon errors

v1.11.0 (April 7 2024)

• New addon: Multiple rows in backpack
• New extensions: List Tools, XML, Key Simulation
• The dango has become a cat
• Enabled Debugger addon performance tab
• Restored Scratch font with a new font that looks similar but without legal ambiguity
• Fixed various fullscreen-related bugs
• Various other bug fixes
• Windows: Restored 32-bit installers for Windows 7, 8, and 8.1
• macOS: macOS 10.13 and 10.14 users will have to install a special "legacy" version of the app
• Linux: Fixed WebGL ("uniformSetters") errors on some distributions and Flatpak
• Linux: Fixed segfault on Wayland

v1.10.1 (February 5 2024)

• Windows: Support for Windows 7, 8, and 8.1 has not been removed, however you will have to download a special version of the app that uses old versions of libraries. This is slower and less secure, but we will support it as long as it's not an unreasonable burden
• New addons: Rearrangeable custom block inputs, Skewing in costume editor, Square block text inputs, Compact editor, Customizable menu bar, Copy reporter values, Move sprite to front layer, Arrow key incrementation in editor
• New extensions: WebSocket, Pen+ V6, Asset Manager, HTML encoding
• Insert blocks by name addon was rewritten and works so much better
• Added high contrast mode
• Added dark blocks mode
• Added option to change accent color from red to blue or purple
• Added progress bar when loading projects from your computer
• Added more stage size controls when using large custom stage sizes
• Added support for generating Electron apps for ARM Linux computers
• Added many new APIs for extensions
• Fixed scripts imported from the backpack dropping in the wrong spot
• Fixed gamepad support and costume editor snapping addons when using custom stage sizes
• Fixed scroll bars when using custom stage sizes
• Fixed wake lock extension
• Fixed too many bugs to list here
• Removed hidden "Scratch" font due to license ambiguities (Custom fonts can be used as a workaround)

v1.9.3 (September 18 2023)

• Fixed one-time data migration process not running sometimes

v1.9.2 (September 17 2023)

• Fixed some edge cases in file saving and the one-time data migration process

v1.9.1 (September 13 2023)

• Fixed option to create cloud variables missing
• Fixed custom username not saving
• Fixed bugs in the one-time data migration process
• Slightly optimized startup time
• macOS: Update menu bar

v1.9.0 (September 8 2023)

• Desktop app was rewritten for improved security
• Added custom reporters
• Added custom fonts
• Added 15+ new extensions including Clipboard, More Motion, Iframe, Color picker, Custom Styles, and Wake Lock
• New restore point system that is more reliable, more efficient, and stores multiple restore points instead of just one
• The builtin extension, costume, backdrop, and sprite libraries let you mark items as favorites
• Extension gallery is now built into the extension list, not a separate window
• New update checker that shows you the changelog for each new version
• Can now ignore misspelled words or turn off the spellchecker entirely
• Allow importing .ogg, .flac, and .aac audio files
• Removed "for each" block from the palette because it causes various issues
• Improved error handling
• Fixed backpacking scripts and sprites that contain custom extensions
• Fixed text to speech blocks
• Fixed a lot of bugs

v1.8.1 (June 20 2023)

• Fixed issues using custom extensions in the packager (if issues remain, press "Reset All Settings" in packager)
• Fixed using an extension to fetch files from extensions.turbowarp.org in the editor
• Fixed Looks Plus "this sprite" option not working properly in clones

v1.8.0 (June 19 2023)

• Added more than 40 new extensions including Animated Text (like Scratch Lab), Local Storage, BigInt, JSON, Clipping and Blending, Sensing Plus, Clones Plus, Looks Plus, and RegExp
• Updated many extensions including Stretch, Runtime Options, and Files
• To protect user privacy, builtin extensions now ask for permission before allowing the project to contact untrusted websites
• Custom extensions can now be loaded from files or text
• Added option to allow extensions to bypass CORS
• Added "random direction" option to point towards block
• Fixed script execution order occasionally changing after saving project
• Fixed zooming with ctrl+plus on some keyboard layouts
• Fixed exporting addon settings
• Fixed many other bugs
• Windows: Support for Windows 7, 8, and 8.1 will be removed in a future release
• Windows: Added native support for Windows on ARM

v1.7.1 (January 24 2023)

• Added support for unsandboxed extensions from extensions.turbowarp.org
• The desktop app includes an offline copy of extensions.turbowarp.org
• Custom extensions will now be automatically loaded when you open a project made with recent versions of TurboWarp (a confirmation prompt appears for third-party extensions)
• Project saving now uses significantly less memory
• The old button to open the packager in the "?" menu has been moved; use the button in the "File" menu instead. The old button has mentioned the new location for a while. This matches the web app.
• Added "Rename broadcasts" addon (enabled by default)
• Added "Collapsing sprite properties" addon
• Added "Costume editor snapping" addon
• Added "Project volume slider" addon
• Added "Always show number pad" addon
• Added a few more switches to the "Block switching" addon
• Checkboxes in the toolbox are now dark in dark mode
• Allow creating monitors for mouse down, mouse x, mouse y, and days since 2000
• Fixed crash in costume editor using transparent colors with bitmap line tool
• Fixed costume editor color picker ignoring transparency
• Fixed some keyboard shortcuts not working when caps lock is enabled
• Fixed many other bugs
• Windows: Support for Windows 7, Windows 8, and Windows 8.1 may be removed in a future update
• macOS: Our app is now notarized by Apple

v1.6.1 (October 7 2022)

• Fixed features that access your microphone or camera
• Fixed addon settings import not importing some color options

v1.6.0 (October 2 2022)

• New addon: Pick colors from stage (enabled by default)
• New addon: Zebra striping
• Bitmap costume editor now supports transparency
• SVGs exported by TurboWarp and imported to TurboWarp won't be re-centered unnecessarily
• Sound editor now shows a sound's size, whether it's stereo or not, and its sample rate
• Maximum SVG size has been reverted to the same as Scratch due to too many crashes
• Added option to clone counter to only show icon
• Added "Turbo Robot" sprite to builtin libraries
• Added option to customizable new sprite position to apply to duplicated sprites
• Fixed "Saving project..." text disappearing before the project was actually saved
• Fixed save location still being updated if you cancel the confirmation to replace existing project
• Fixed unnecessary memory use when saving files
• Fixed loading some projects with many bitmap costumes
• Fixed block cherry picking breaking on certain blocks
• Fixed tangent block reporting slightly incorrect values in the compiler
• Fixed display stage on left side and two-column category menu compatibility bugs
• Fixed developer tools dark mode issue
• Fixed auto-hiding block palette bugs
• Fixed variable manager bugs
• Fixed sound editor layout bugs at certain window sizes
• Fixed some costume and sound lists having an unnecessary horizontal scrollbar
• Fixed color picker overlay not covering the entire page
• Fixed some icons being unnecessarily draggable
• Fixed loading Scratch 2 projects with unusual JSON
• Windows: Title bar now respects your computer's dark mode preference
• Linux: We now have a repository for Debian/Ubuntu and their derivatives
• Updated packager: settings export and import, optimized memory use of packaged projects

v1.5.0 (July 23 2022)

• New addon: Reverse order of project controls
• New addon: Hide stage and sprite pane
• Allow creating unlimited cloud variables
• Fixed backpacking JPEG costumes
• Fixed turbo mode stored in projects not applying properly
• Added option to disable hidden window throttling
• Fixed some bugs in the auto-hiding block palette addon
• Linux: Support for 32-bit x86 has been removed
• macOS: Fixed uncloseable packager windows if opened from a fullscreen editor window
• Updated packager: list color, version number, macOS Electron, Scratch Link support, more

v1.4.0 (June 24 2022)

• Moved the builtin copy of the TurboWarp Packager to the File > Package project menu
• Added a sound duration indicator to the sound editor
• Added partial support for the "Threads" tab in the debugger addon, including single stepping
• Fixed high CPU usage when project is paused
• Increased maximum resolution of large vector costumes
• Updated backpacked item previews to support transparency
• Updated dark mode with improved inputs, improved scrollbars, and support for the debugger and gamepad addons
• Fixed developer tools find bar covering up controls in certain conditions
• Fixed variable manager causing crashes when variables are too large
• Improved style of many modals and prompts to be more cohesive
• Fixed block context menus immediately selecting item and closing after being opened on some systems
• Fixed interface allowing invalid framerates and invalid stage sizes
• Fixed custom extensions being able to corrupt projects if they return unexpected values
• Fixed custom extension error handling
• Fixed various other bugs
• Linux: Support for 32-bit x86 systems will be removed in v1.5.0 (32-bit ARM is not affected)
• Linux: Added support for Linux on Apple Silicon
• macOS: Reduced app startup time
• Added donation links
• Updated packager: adds support for "☁ room id" special cloud behavior

v1.3.1 (May 18 2022)

• Fixed crash on some Linux systems
• Gamepad addon now supports buttons other than the left button and is compatible with pointerlock in the packager
• Updated packager: relicensed to Apache 2.0 from LGPL3.0 for fewer restrictions, added "☁ set clipboard" and "☁ pasted" support to special cloud behaviors
• Various other bug fixes

v1.3.0 (May 3 2022)

• New addon: Customizable default costume editor colors
• The app now registers itself as a file handler for .sb and sb2 files in addition to .sb3
• Optimized comparison blocks
• Fixed more crashes on app startup on some systems

v1.2.2 (April 13 2022)

• Fixed mouse actions in gamepad support addon in packager
• Fixed blocks like "insert x at any of list" to insert at a random location

v1.2.1 (April 10 2022)

• Fixed crash on startup on some systems
• All windows now have proper language hints, fixes CJK characters looking weird in some windows
• Added error message when any child process dies unexpectedly, not just renderer processes

v1.2.0 (April 9 2022)

• Added option to configure which microphone and camera the app should use
• Added option to disable hardware acceleration
• Fixed stage size stored in projects
• Reduced costume editor flicker when switching costumes
• Added text inputs to costume editor color components
• Fixed monitor position after resizing stage
• Fixed vertical centering of variable monitor values in certain conditions
• Fixed lines between tiled stamps when high quality pen is enabled
• Reduced lag related to folders addon

v1.1.3 (February 21 2022)

• Fixed "Mouse position" addon

v1.1.2 (February 20 2022)

• Fixed automatically loading project in packager
• Fixed significant lag when displaying variable monitors caused by the "Hide new variables" addon
• Fixed builtin sound library not working when offline or in certain regions of the world (China)
• "Remove Miscellaneous Limits" now also disables mouse X and Y coordinate rounding

v1.1.1 (February 13 2022)

• New addon: Customizable block text style
• New addon: Search sprites by name
• New addon: Enhanced full screen
• The right-click menu on a variable monitor now has an option to hide it
• Stage size can now be changed without reloading the editor
• Stage size can now be stored in a project
• Fix storing gamepad settings in projects
• Fix onion skinning layers being slightly misplaced
• Improve sound editor performance on very large sounds
• Updated packager
• Many bug fixes

v1.0.0 (January 15 2022)

• The costume editor now supports dark mode
• If a dark background makes it hard to edit your costumes, it's possible to change the theme of the costume editor without effecting the rest of the interface
• Significantly optimized memory use of costumes
• Improved project exporting to compress project.json by up to to 30%
• Many compiler optimizations and compatibility fixes
• When you right click on a misspelled word detected by the spellchecker, you will now see some suggested replacements
• Updated integrated packager
• Various bug fixes
• Updated translations