What's new in Flowlab

Every engine release, newest first. Flowlab runs in your browser, so every update below arrived automatically, with nothing to download or install.

Latest
Nectarine, August 18 2026
Releases
43 since 2020
2020202120222023202420252026
Nectarine (v1.5500) release banner
Latest release v1.5500 August 18, 2026

Nectarine

Create your own sounds and music!

6 new features

  • Sound Creator: design your own sound effects and music loops, right in Flowlab
  • Sound library folders: organize your sounds with folders, rename and replace uploads
  • Redesigned sound picker with search and preview
  • Upload multiple sound files at once
  • New Shader effects: Sphere, Gaussian Blur, Bloom, and Dissolve
  • New Camera Smooth Scrolling option for sub-pixel movement

15 fixes

  • Fixed a freeze when copying very large behavior bundles
  • Fixed labels snapping back to their original position after moving
  • Fixed label values leaking between entities when spawned quickly
  • Fixed a hang when importing interlaced GIF files
  • Fixed emitted objects not receiving messages after being re-emitted
  • Fixed attach point previews on background and interface layers
  • Fixed a crash in the Text Case behavior when text was empty
  • Fixed behavior properties panel showing stale values after cut or bundle
  • Fixed new ports appearing in the wrong order when added to bundles
  • Fixed step mode timing and audio speed sync issues
  • Fixed attached objects not triggering parent class behaviors correctly
  • Fixed fullscreen support on iOS devices
  • Fixed game page scrolling when the mouse wheel is over a game
  • Improved smoothing for custom loading screen images
  • Fixed object variables losing their targets when objects were renamed or reordered

Release history

Every release since Flowlab moved to rolling updates. Open any release to read its full notes.

2026

5 releases
v1.5400 Mango Jun 18 2026 Build your own custom behaviors! 6 8 June 18, 2026
Mango (v1.5400) release banner

New

  • Custom Behavior: build your own custom behaviors with code
  • Sensor Behavior: detect when an object enters or leaves a region
  • Sound behaviors now have a pitch input to change the pitch of the sound
  • Number and Text lists have an improved editor UI
  • Page themes now have a Steam widget option
  • Mac app exports are now notarized

Fixed

  • Stopped checkboxes from trapping spacebar input
  • Improved rendering on devices at fractional scales (e.g. 125%)
  • Minor interface fixes
  • Fixed bug where labels with 0 alpha stayed invisible when updated
  • Fixed crash when creating a cover image while pixel shader was active
  • Improved layouts for pasted behaviors
  • Improved session recovery when logged out across tabs
  • Fixed cases where publish bundle icons did not load
flowlab.io/releases#5400
v1.5300 Lychee May 8 2026 Lazy-Loaded Sprites & Bundle Sharing! 5 21 May 8, 2026

New

  • Community Bundle Sharing: publish your bundles, browse and bookmark bundles shared by other users
  • Lazy-loaded sprites: large games start faster and use less memory by loading sprite art on demand
  • New 'Locked Mouse' trigger node captures the pointer for FPS-style controls
  • HTML5 Fullscreen and Locked Mouse warn if triggered without a user gesture
  • Repeater behavior has a new 'reset' input that breaks out of an in-progress loop

Fixed

  • Many behavior editor undo/redo fixes
  • Pasting into a bundle no longer breaks port deletion or duplicates ports on undo/redo
  • Behavior links are clickable right away after pasting, undoing, or backing out of a bundle
  • Dragging a selection keeps its frame intact, and undoing a cut/delete that empties a frame now restores the frame
  • Delete key removes selected behaviors; Backspace/Delete is ignored while typing in a text field
  • List Each: restarting mid-iteration refreshes timer, delay and list; iteration progress is saved with the game
  • Triggers inside bundles see their parent's position when sorting
  • Inherited labels now appear immediately on child types when added via Label
  • Filter behavior shows live comparison symbols and updates when its mode changes
  • Achievement icon scales picked images to fit instead of cropping them
  • Attached labels dim along with their layer when you're editing a different layer
  • Wheel menu no longer auto-fires an item from the click that opened it
  • Frame drag now snaps cleanly when released over a wheel-menu button
  • Send To dropdown opens upward when the selection is near the bottom
  • Bundle drag-drop positions the bundle at the drop point even on slow loads
  • Bundle ports reorder correctly when an input/output is dragged out alongside its node
  • Globals: 'Add New Name' popup no longer stacks when clicked repeatedly
  • Custom fonts are dropped from the cache when deleted
  • Click detection no longer drops entities with attached labels at the right/bottom edges
  • Select tool cursor no longer gets stuck as a pointer over selected items
  • Fixes for several rare crashes
flowlab.io/releases#5300
v1.5200 Kiwi Mar 27 2026 Behavior Editor Upgrade! 37 8 March 27, 2026

New

  • Added 'game playback speed' slider
  • Added 'watch mode' when speed is 0, with manual stepping
  • Behavior 'Find' button and search bar added
  • Loop detection in engine detects & prevents infinite game loops
  • New behavior window tools: select, zoom and spacebar hand
  • Message sources shown in watch mode
  • Antialiased behavior links
  • Behavior rendering tweaks (uses vectors now)
  • Save behaviors now tagged like messages/variables/etc.
  • Added 'B starts with A' text compare option
  • Added 'add behavior' option to wheel menu, with autocomplete (shortcut: a)
  • **Much** faster Globals
  • Globals no longer auto-propagate on update by default (can be enabled on a per-global basis)
  • Globals can be assigned a default value
  • Clocks have a UTC time zone option
  • (Indie Only) New Behavior: Game Save - save, load, list, and display the entire game state
  • Clock & Calendar now have a stamp input
  • Reorder Bundle inputs and outputs by dragging
  • Fixed copy/paste behavior inputs and output bugs
  • Messages now have an output so they can be chained
  • Logic Gates now have a 'Time Slack' option
  • Logic Gates now have a 'treat 0 inputs as true' option
  • Index output added to ListEach behavior
  • Full screen defaults to Letterboxed mode
  • Bundles are centered when added from library
  • Imported behaviors are centered on import
  • Pasted behaviors are pasted at mouse position
  • Behavior Frames: Select behaviors and choose 'frame' to create them. Drag behaviors in and out to add/remove them.
  • Open Number List and Text List panel while running to view list data (does not auto-update while open)
  • Improved input order for Timer, Emitter and Random Behavior
  • Timer 'done' output added
  • Timer progress indicator when running in live mode
  • Keyboard (tab/shift+tab) focus management
  • Interface element keyboard interaction Improvements
  • More reliable inheritance loop detection / prevention
  • Game no longer receives input when login modal is active (from Achievements or Leaderboards)
  • Use delete key shortcut to delete behaviors

Fixed

  • Clean up collision cache between game starts, for improved deterministic behavior between runs
  • Safer conflict handling for team editing
  • Fixed Joint editor offset
  • Fixed pasting multi-line behavior notes in Windows
  • Fixed background layer shaders failing to reset correctly
  • Delay level fade in until after first frame
  • Fixed Joint visual alignment in edit panel
  • Fixed cropping of very large sprites in Attachment and Joint edit panels
flowlab.io/releases#5200
v1.5100 Jujube Jan 15 2026 New Font Rendering & Optimizations 15 6 January 15, 2026

New

  • Many major performance optimizations
  • New font rendering system for better quality & performance
  • Custom font uploads supported for upgraded users
  • Custom charsets supported for non-english fonts
  • Sharp font rendering at any size
  • Adjustable font weight
  • Sharp, accurate font outlines
  • Optional font outline blur
  • Adjustable font line height
  • New Shaders added: Scroll, Pixel Size, Resolution, LCD, and LED
  • New font added: 'Roboto' a readable sans-serif
  • New font added: 'Lora', a readable serif
  • New font added: 'Jetbrains' a readable monospace
  • Extended label inputs for size, weight, outline, and RGB
  • Click slider values to edit them directly

Fixed

  • Fixed incorrect joint origin editor location
  • Fixed attachement offset for chained offset attachments
  • Shader edge bleeding and uv fixes
  • Shader behavior interaction fixes
  • Shader / Alpha / Color behavior interaction fixes
  • Fix scale cursor incorectly showing in behavior editor
flowlab.io/releases#5100

2025

1 release
v1.5000 Imbe Sep 9 2025 Optimizations, Object Variables, & More! 20 8 September 9, 2025

New

  • New interface for editing Object Variables
  • Improved editors for Number and Text Lists
  • New render setting: 'smooth rendering' for antialiased game rendering
  • Optimization: faster unified renderer for both play and edit modes
  • Optimization: significantly improved texture batching
  • Optimization: faster game loading
  • Optimization: faster & more consistent editor interactions
  • Update: improved object selection and drag & drop indicators
  • Update: improved selection and placement of large objects
  • Update: new object scaling tool
  • Update: show & hide layers from the layers panel
  • Update: new splash screen for new games
  • Update: team members can download sprites from the sprite editor
  • Update: press Enter key to commit cloness
  • Update: delete & backspace both delete selected objects
  • Update: improved drop placement when dragging multiple objects
  • Update: improved paste layout and handling
  • Update: new games default to 60FPS setting
  • Update: larger zoom range for level editor
  • Update: automatically clean up object variables when no longer used

Fixed

  • Fixes cloning of nested object Folders
  • Fixes collision shape editor staying open when game starts
  • Scale performance metrics panel with game scale
  • Fixes mouse target positions in fullscreen Expand mode
  • Fixes raycast target position in fullscreen Expand mode
  • Update sprite in library window after resizing in sprite editor
  • Fixes failed game loading after importing invalid behavior data
  • Fixes Object Variable inheritance inconsistencies
flowlab.io/releases#5000

2024

4 releases
v1.4900 Honeydew Dec 19 2024 Sound, Collision, & Messages Updates 9 2 December 19, 2024

New

  • New sound settings
  • Sound behavior's play output won't activate until playback begins
  • Sounds will continue to play when the game is paused if the object is not paused
  • New sound inputs for pause, stereo pan, audio URL, and playback start position
  • New adjustable collision shapes
  • New polygon collision shape editor
  • Object behavior targeting now uses object names instead of object ID
  • Messages are now typed, so you can send numbers, lists, or text in a message
  • New Cute Planet sprites available to upgraded users

Fixed

  • Behavior setting panel layout fixes
  • Prevent link duplicates when copying behaviors
flowlab.io/releases#4900
v1.4860 Guava Aug 29 2024 Drag & Drop + Object Folders 12 5 August 29, 2024

New

  • Reposition windows when editor is resized
  • Update Sprite editor when window is resized
  • Update Behavior editor when window is resized
  • Add Object Folders to library
  • Level window scrolls instead of paging
  • Level window centers and highlights current level
  • Setting a level order value no longer swaps with another level
  • Make objects draggable into level (from library)
  • Make behaviors draggable into behavior window (from left panel)
  • Add Vibrate behavior for mobile apps
  • Add Accelerometer behavior for mobile apps
  • Text and Number Lists now have optional 'copy on update' setting

Fixed

  • Fix Label center and right alignment
  • Fix labels getting truncated on load
  • Enable blank lines in multiline labels
  • Clean up collisions when removing all objects from Library
  • Fix label loading & label behavior race conditions
flowlab.io/releases#4860
v1.4757 Fig Jul 5 2024 Improved Cameras & Background Rendering 12 16 July 5, 2024

New

  • New Background renderer when repeating
  • Added camera rotation input
  • Removed pixel snapping
  • Improved pixel-perfect rendering & sprite edges/seams
  • Rename filter 'value' to 'set'
  • Autoscroll animation list when adding frames
  • Improved sprite browser scrolling on taller screens
  • Renamed physics setting from 'enable rotation' to 'allow spin'
  • Improved handling of multiple cameras
  • Warnings added when multiple cameras are active at once
  • Do not update play count when playing your own game
  • (Upgraded Users Only) 3K new Sproutland Sprites from Cupnooble!

Fixed

  • Don't modify behavior editor background alpha in play mode
  • Fix 'send message to attachments' while removing attachments
  • Fixed alignment & Mouse position in fullscreen/Expand mode
  • Level load transition rendering fixes
  • Loading screen matches game rendering scale
  • Screenshot sizes scaled down match game view when needed
  • Sprite editor height resize position fix
  • Fixed mouse click alpha hit testing for mouse over/out
  • Fixed Label mouse handling bug
  • Fixed new object auto-naming number suffix
  • Do not show connection error popup in play mode
  • Fix tutorial when not logged in
  • Fixed broken animation import cancel flow
  • Handle Emitting objects with invalid polygon collisions
  • Handle swapping attachment render order with repeating backgrounds
  • Fix global mouse click handling on screen edge when in full screen
flowlab.io/releases#4757
v1.4708 Entawak Feb 23 2024 Smoother, Faster, & More Efficient! 15 9 February 23, 2024

New

  • Infinite scroll option for Camera behavior
  • Open URL behavior is now called Fetch URL
  • New Fetch URL Option: open url in new tab (current behavior)
  • New Fetch URL Option: load data from url and output text
  • New Fetch URL Option: load image from url and replace sprite
  • Frame Rate behavior is now called Level Physics
  • New Level Physics Option: speed (this is now a % instead of a specific value)
  • New Level Physics Option: drag (physics drag of level)
  • New Level Physics Option: gravity (gravity of level)
  • New Render Scale setting - this scales the size of the visible game area while playing
  • New Frame Rate game setting: 30 or 60 fps, with or without vsync
  • New Full Screen feature: get screen dimensions when in full screen
  • 'Object Value' renamed 'Object Variable' and moved to properties category
  • (Upgraded Users Only) 1K new premium professional sound effects from Gameburp
  • (Upgraded Users Only) New ski sprite set from Kenney.NL

Fixed

  • General optimizations to labels, behaviors, and core engine
  • Smoother, more consistent animation playback
  • Emitted object evaluation order changed so that objects are evaluated after emit for correct rotation & velocity in behavior logic
  • Game loading optimizations (smaller download footprint before ready to play)
  • Mouse clicks in parents work when object is Spawned in
  • Attached labels in parents are cleaned up on despawn/destroy
  • Fix WebGL error in behavior window
  • Fix potential crash in Color behavior
  • Rendering fix for 'half-pixel correction' & animation edge bleeding
flowlab.io/releases#4708

2023

6 releases
v1.4599 Durian Dec 28 2023 Physics Joints & Collision Groups 2 1 December 28, 2023

New

  • Add collision groups
  • Add physics joints

Fixed

  • Fixed minor interface issues
flowlab.io/releases#4599
v1.4517 Coconut Oct 30 2023 Physics Shape Rendering 8 5 October 30, 2023

New

  • New Game Setting: 'Display Physics Shape Overlays' - this renders the physics shapes while the game is running
  • New Mobile Ads: Reward Ads - these pay a much better rate than banners, generally
  • Latest Mobile Ad SDK - display more, and more sophisticated mobile ads
  • Attachments enabled for UI & BG objects
  • Improved touchscreen interaction for behavior editor, so it's much easier to edit settings and delete links on touch screens
  • Improved the behavior link and rendering alignment for more accurate delete clicks
  • Link click area is (slightly) smaller but far more accurate
  • Links now have a 'dead zone' to help avoid accidental deletions

Fixed

  • Fixed Repeater selector (no negative repeat values)
  • Fixed prox ignoring target names
  • Fixed off-by-one error in List shuffle making some shuffle orders impossible
  • Fixed layout in settings window for teams display
  • Fixed an incorrect curve control point that made self-connects ugly
flowlab.io/releases#4517
v1.4382 Bilimbi Aug 29 2023 Origin Update 13 7 August 29, 2023
Bilimbi (v1.4382) release banner

New

  • Attachment Point editor
  • Raycast Offset Point editor
  • Prox Offset Point editor
  • Emitter Point editor
  • Behavior blocks refuse to overlap
  • Click version to view release notes
  • Mouse Wheel trigger block
  • Select next level based on input value
  • Expression optimization - up to 10x faster
  • Optimized Number block
  • Ability to select previous Flowlab versions
  • Faster Proximity checking
  • Flip behavior option to affect sprite only

Fixed

  • Fix sprite editor hot key breakage
  • Undo message editor undo crash
  • Behavior undo fixes
  • Next Level broken on older games
  • Position block allows negative positions in grid mode
  • Improved behavior link validation on copy & paste
  • Some links fail to copy correctly (e.g. Switch self link)
flowlab.io/releases#4382
v1.4225 Acai Jun 5 2023 Bugfix Update 3 17 June 5, 2023
Acai (v1.4225) release banner

New

  • Animation 'go to' output
  • Enter key to commit popups
  • Can use mailto: urls in Link behavior

Fixed

  • Object clicks interfere with alert button
  • Physics engine crash on bad polygon construction
  • Select is wrong when zoomed out in behavior editor
  • Gif import fails on some animations
  • Multiple mouse click triggers fail in single object
  • Mouse click targets misaligned for off-center sprites
  • Message 'last contacted object' not working for same type pairs
  • Can't delete bundles from ui/bg layers
  • Resizing imported gif animations doesn't work
  • Attached labels of parents glitch when dragged
  • Edge line rendering artifacts when animating sprites
  • Globals are displayed in arbitrary order
  • Mouse out fails when objects of same type are overlapping
  • Download sprite button downloads latest saved sprite instead of current visible one
  • Misc crashes
  • Zooming inconsistent between editor and sprite editor
  • Sprite editor zooms in on mouse pointer instead of sprite center
flowlab.io/releases#4225
v1.4104 Mar 27 2023 Multitouch Update 2 3 March 27, 2023

New

  • New Gesture block for touchscreen multi touch handling
  • New Screen Check block to check for touchscreen devices

Fixed

  • Fixed regression in paused timers
  • Ease behaviors handle pause/resume properly
  • Fixed pausing timers in emitted objects
flowlab.io/releases#4104
v1.4026 Feb 23 2023 Label Update 10 6 February 23, 2023
v1.4026 release banner

New

  • Labels can now be attached to objects
  • New and improved font selection interface
  • New faster, more efficient font loading
  • Labels now have an alpha setting
  • Labels now have a spacing/kerning setting
  • Screenshots can now be edited before uploading
  • Shaders and filters now show up in screenshots
  • Number inputs have nicer input handling
  • Escape key can now be used in Keyboard triggers
  • New games are larger by default

Fixed

  • Multi-line text alignment fixed
  • Labels work more consistently with spawning & destroyed objects
  • Labels work more intutively for parent/child objects
  • Timer behaviors ignore time while game is paused
  • Cloning is canceled when switching between edit & play mode
  • Parents no longer recieve messages when child is destroyed
flowlab.io/releases#4026

2022

11 releases
v1.3904 Dec 27 2022 Spinning Update 5 7 December 27, 2022
v1.3904 release banner

New

  • New 'Spin Motor' block adds a spinning force (renamed Motor to Push Motor)
  • New 'Spin' Blocks sets the rotation speed directly
  • Added 'miss' output to Proximity block
  • Added 'decimal degrees' option to Rotation block
  • Extract can now extract the current spin speed

Fixed

  • Fix null output when using an Ease with 0 duration
  • Renaming a level no longer breaks Load Level
  • Download button now hidden in sprite editor for others' games
  • Some behaviors were not reset properly for emitted objects
  • Removed warning for kinematic velocity updates
  • Sprite editor no longer shows sprites from deleted games
  • Fix drag animation frame problems in sprite editor
flowlab.io/releases#3904
v1.3788 Oct 4 2022 Ease-y Update 6 1 October 4, 2022
v1.3788 release banner

New

  • New Ease functions: 'Elastic', 'Quartic', 'Quintic' and 'Back'
  • New Ease modes: 'Ease Out' and 'Ease InOut'
  • New Ease feature: smart rotation
  • New Ease feature: pause & resume
  • New Ease feature: reverse
  • Special thanks to developers <a href='#'>@JR01</a> & <a href='#'>@PixelPizza</a> for their Advanced Easing Bundle

Fixed

  • Fixed various Ease behavior issues
flowlab.io/releases#3788
v1.3775 Sep 21 2022 Sprites Update 8 3 September 21, 2022

New

  • New sprite browser interface
  • Select sprites from any of your games
  • New default sprites (terrain)
  • Upgraded Accounts Only: more than 6000 new sprites
  • New text rendering for low resolution screens
  • New message target: send to last raycast
  • Space bar shortcut for dragging in level editor
  • Space bar shortcut for dragging in sprite editor

Fixed

  • Fixed: color behavior now updates when screen isn't moving
  • Fixed: newly created objects retain display order
  • Fixed: globals no longer activate inside of destroyed objects
flowlab.io/releases#3775
v1.3703 Aug 9 2022 Audio Update 3 4 August 9, 2022

New

  • Audio interface update
  • New premium licensed sound effects from Bryan Barret / GameBurp
  • New premium licensed sound effects from Mark Sheeky / IndieSFX

Fixed

  • Fixed spawned objects not cancelling playback on despawn
  • Fixed sound volume setting collisions
  • Fixed sound volume / playback ordering issue
  • Fixed objects in Interface layer getting misaligned clicks on zoom
flowlab.io/releases#3703
v1.3678 Jul 29 2022 Mostly Bugfixes 2 3 July 29, 2022

New

  • Clock behavior has an option for milliseconds
  • Physics collision merging works when objects have behaviors

Fixed

  • Gif importing is much more robust & reliable
  • Game speed in browsers is no longer affected by monitor refresh rate
  • Many editor potential error conditions resolved
flowlab.io/releases#3678
v1.3613 Jun 15 2022 Leaderboard & Achievements 9 3 June 15, 2022

New

  • Added New Leaderboard behavior
  • Added New Achievements behavior
  • Fullscreen is now available to free users
  • Background objects can now be selected in Message settings
  • Non-physics objects no longer show in physics trigger settings
  • Mouse clicks can ignore transparent pixels
  • PointAt behavior can skip sprite rotation
  • Added 'send to all spawned' message route option
  • Added 'send to last spawned' message route option

Fixed

  • Mouse clicks now transform to align with sprite correctly
  • Fixed message setting bug where objects stay selected after selecting new route
  • Fixed bug where sidebar was visible when editing behaviors or loading screen
flowlab.io/releases#3613
v1.3506 Apr 20 2022 Interface Tweaks 20 17 April 20, 2022

New

  • New Tool 'Zoom' - zoom in and out of level, scroll wheel works too
  • New Tool 'Move' - move around the level more easily
  • New Tool 'Select' - select objects in your level
  • Move selected objects
  • Delete selected objects
  • Cut or Copy selected objects (wheel menu or ctrl+c/ctrl+v)
  • Paste selected objects into any level
  • Levels do not show until fully loaded
  • Bundle connections have larger highlight/select/connect mouse targets
  • Behavior window zooms into center of screen
  • Dragging large objects now drags from clicked point instead of center
  • Playing from behavior window now centers game while running
  • Proximity preview display fixes and tweaks
  • Raycast preview display fixes and tweaks
  • Can now type decimals into Expression default values
  • Can navigate animation frames wil left/right arrows
  • Round sprite editor sliders to integer
  • More predictable selection when deleting animation frames
  • Onion skin more opaque in animation editor
  • Library search box shows as soon as it has room

Fixed

  • Force shaders to re-render even when game isn't updating
  • Fix problems with switching to non-solid physics
  • Fix Object Value extract race condition
  • Fix multiple controller support
  • Fix initialization when emitting an object containing scale behaviors
  • Fix animation editing 'move reset' bug
  • Fix switch on/off ui desync in behavior preview
  • Fix error when changing render order of new object
  • Fix massive sprite preview in edit button after resizing
  • Copy/paste Global block updates correctly
  • Clearing expressions no longer reverts
  • Keyboard blocks have independent delay values
  • Fix truncated text in team conflict popup
  • Un-highlight blocks when converting to bundle
  • Fix crash when dragging new Global name
  • Fix truncated tutorial text
  • Raycast preview placement correct for larged objects
flowlab.io/releases#3506
v1.3416 Feb 23 2022 Privacy Settings & Themes 2 8 February 23, 2022

New

  • New Privacy option in game settings
  • Theme selector added to game settings

Fixed

  • Improved scroll wheel behavior in Sprite Editor
  • Tooltip capitalization fixes
  • Sprite editor artifacts when closing fixed
  • Delete confirm popup auto-closes when closing settings panel
  • Truncated text in select boxes fixed
  • Close behavior settings when navigating bundles
  • Deselect game object when deleting
  • Link display error when deleting block while game is running
flowlab.io/releases#3416
v1.3365 Feb 4 2022 Customizable loading screens 1 February 4, 2022

New

  • Customizable loading screens
flowlab.io/releases#3365
v1.3343 Jan 24 2022 Squishing Lots of Bugs 2 20 January 24, 2022

New

  • New Render Order behavior block
  • Increase Router outputs to 32

Fixed

  • Fix label maxwidth setting
  • Prevent performance metrics from showing in editor
  • Fix sprite editor grid offset after minimum zoom
  • Prevent pasting into textbox from affecting sprite
  • Fix animation resize replacing main sprite
  • Fix paste undo in sprite editor
  • Better handling of large image import
  • Better handling of odd-sized image import
  • Prevent undo/redo in sprite editor from potentially affecting logic
  • Change frame limit warning
  • Fix sprite editor move tool behavior with large sprites
  • Prevent parent srollbar from closing settings panel
  • Fix crash in native apps with Global blocks are empty
  • prevent sprite selection outside of sprite
  • Fix icon state when copy/pasting Switch behaviors
  • Fix Switch datatype reset when turning on/off in settings
  • Fix truncated text in Proximity settings
  • Close object settings panel on play
  • Fix crash when saving then loading as different type
  • Fix various other crashes
flowlab.io/releases#3343
v1.3270 Jan 3 2022 Small bugfix update 7 3 January 3, 2022

New

  • New Sound Behavior 'done' output
  • Sprite Editor: can change grid size while using move tool
  • Sprite Editor: can paste between objects
  • Sprite Editor: sprite size always shows
  • Drag & Drop for sound uploads
  • Better game display on smaller browsers (for mobile)
  • Larger game size options

Fixed

  • Sprite Editor: '+' missing on add frame button
  • Sprite Editor: 'frames remaining' text glitch
  • Sprite Editor: fixed undo button
flowlab.io/releases#3270

2021

13 releases
v1.3225 Oct 14 2021 NEW Sprite Editor! (finally) 19 2 October 14, 2021

New

  • New Sprite Editor Dark Mode UI
  • Improved performance
  • Improved sprite importer
  • Line Tool
  • Rectangle Tool (empty or filled)
  • Circle Tool (empty or filled)
  • Rotate & Flip Tools
  • Text Tool
  • Keyboard shortcuts
  • Tool cursors
  • Pixel-perfect mode
  • Better resize
  • Palette list
  • New Animation Tool
  • Animation Onion Skin mode
  • Animation drag-to-rearrange
  • Animation frame from any frame
  • Animation limits & scrolling
  • GIF Animation importing

Fixed

  • Incorrect x position extracted from non-physics objects
  • Error when editing new object in locked game
flowlab.io/releases#3225
v1.3144 Oct 14 2021 Behavior Undo Update 2 5 October 14, 2021

New

  • Added Undo & Redo buttons to behavior editor
  • Added 'Calibrate' shader

Fixed

  • Fix shuffling 2 element lists
  • Fix truncated sound labels
  • Fix extract position when object has no physics
  • Fix wrong output when incrementing Y pos with no physics
  • Fix parent crash in custom properties
flowlab.io/releases#3144
v1.3053 Sep 15 2021 Tooltip Update 4 6 September 15, 2021

New

  • Tooltips updated and re-added to various editor buttons
  • New tooltips added to behavior window, with help links
  • Behavior help videos updated
  • Behavior documentation updated

Fixed

  • First clone click fails after closing library
  • Fix multiple setting panels getting opened
  • Fix truncated labels
  • New Level button now disables when no more levels are available
  • Library doesn't update after object rename or delete
  • Spawn coordinates not resetting correctly when removing links
flowlab.io/releases#3053
v1.3036 Sep 12 2021 Library Search Update 2 3 September 12, 2021

New

  • New search feature for object library
  • Type-to-select feature for dropdown ui elements

Fixed

  • Fix truncated labels
  • Fix library labels
  • Library re-opens after editing object
flowlab.io/releases#3036
v1.3003 Aug 17 2021 New Behavior Help Videos 2 2 August 17, 2021

New

  • New behavior help videos
  • Update extractor settings layout

Fixed

  • Fix truncated labels
  • Fix links not lighting up
flowlab.io/releases#3003
v1.2962 Aug 11 2021 Mobile & Audio Fixes 4 7 August 11, 2021

New

  • New behavior block: 'Object Value'
  • Fullscreen workaround for browsers without it (iOS Safari)
  • 'Next Level' behavior black has been renamed to 'Load Level'
  • Extractor block can now extract object names

Fixed

  • Fix issue with sounds not playing in Chrome version 92
  • Fix sound playback on iOS
  • Dropdown scrollbar close fix
  • Text area auto-scroll
  • Emitter angle reset fix
  • Random behavior block reset fix
  • Particle inheritance reset fix
flowlab.io/releases#2962
v1.2832 Jun 11 2021 Sound Interface Update 3 5 June 11, 2021

New

  • Massive list of new game music options
  • Display sounds in scrolling list instead of buttons
  • Delete button for uploaded sounds

Fixed

  • Fix issue with large background tile repeating
  • Fix sound setting display for uploaded sounds
  • Reenable upload button on upload cancel
  • Fix issue with large background tile repeating
  • Play sounds when paused, if 'run when paused' is selected
flowlab.io/releases#2832
v1.2793 May 30 2021 Procrastination Update 5 5 May 30, 2021

New

  • Running from behavior window now displays the current object
  • Music can continue between levels
  • Behaviors now available for background objects
  • Camera zoom
  • Add object id to extractor options

Fixed

  • Large sound file upload problems
  • Child objects not inheriting click triggers
  • Full screen shader issues
  • Memory leak when deleting some spawned objects
  • Behaviors not always updating run order correctly when dragging a block
flowlab.io/releases#2793
v1.2769 May 7 2021 Shaders Update 1 4 May 7, 2021

New

  • Added Shader behavior block

Fixed

  • Fixed play mode from sprite editor
  • Fixed release notes displaying in game
  • Fixed behavior error messages not clearing promptly
  • Improved deleting objects targeted by behavior blocks
flowlab.io/releases#2769
v1.2767 May 7 2021 Shaders Update 1 4 May 7, 2021

New

  • Added Shader behavior block

Fixed

  • Fixed play mode from sprite editor
  • Fixed release notes displaying in game
  • Fixed behavior error messages not clearing promptly
  • Improved deleting objects targeted by behavior blocks
flowlab.io/releases#2767
v1.2739 Apr 8 2021 Controller Update 3 6 April 8, 2021

New

  • Added game controller trigger block
  • Added scale x and scale y to Extractor
  • Bumped max emitted objects to 200

Fixed

  • Fixed Timer inaccuracy over time
  • Fixed Text save bug
  • Fixed Number null values
  • Fixed integer overflow in starting values
  • Fixed crash in null Expressions
  • Fixed crash in Link rendering
flowlab.io/releases#2739
v1.2611 Feb 9 2021 Performance Update 5 5 February 9, 2021

New

  • Added performance profiler tool
  • Added new Trigger behavior: In View
  • Add collision merging
  • Moved Proximity to components
  • Added distance input to Proximity block

Fixed

  • Fixed missing friction on some capsule collisions
  • Fixed problems with muliple Ad blocks
  • Fixed crash in Text length
  • Fixed crash in null Expressions
  • Fixed crash in Link rendering
flowlab.io/releases#2611
v1.2551 Jan 4 2021 Datatype Update 24 1 January 4, 2021

New

  • Added notes to all behaviors
  • Enabled floating point values in behaviors
  • Added new Text type to behaviors
  • Added new List types to behaviors
  • New behavior block: Text
  • New behavior block: Text Case
  • New behavior block: Text Length
  • New behavior block: Text to Number
  • New behavior block: Text Compare
  • New behavior block: Text Snitize
  • New behavior block: Text List
  • New behavior block: Number List
  • New behavior block: List Modify
  • New behavior block: List Order
  • New behavior block: List Each
  • New behavior block: List Count
  • New behavior block: Router
  • New behavior block: Cloud Save
  • New behavior block: User Info
  • New behavior block: Clipboard
  • Updated behavior: Keyboard allows Any key
  • Updated behavior: Expression has variable inputs
  • Updated behavior: Globals no longer reset between levels
  • Updated behavior: Labels can wrap lines when width is set

Fixed

  • Fixed crash in Raycast
flowlab.io/releases#2551

2020

3 releases
v1.2517 Sep 13 2020 3 7 September 13, 2020

New

  • Added release notes to editor (you're reading them)
  • Added 'Stop on first object' option to Raycast block
  • Detect when mouse leaves game canvas

Fixed

  • Fixed inability to add Fullscreen blocks to team games
  • Fixed several multiplayer crashes
  • Fixed Shared block crash
  • Fixed offscreen pause crash
  • Prevent Raycast from intersecting interface objects
  • Fixed object dragging crash
  • Fixed Repeater repeat count input
flowlab.io/releases#2517
v1.2508 Sep 13 2020 3 7 September 13, 2020

New

  • Added release notes to editor (you're reading them)
  • Added 'Stop on first object' option to Raycast block
  • Detect when mouse leaves game canvas

Fixed

  • Fixed inability to add Fullscreen blocks to team games
  • Fixed several multiplayer crashes
  • Fixed Shared block crash
  • Fixed offscreen pause crash
  • Prevent Raycast from intersecting interface objects
  • Fixed object dragging crash
  • Fixed Repeater repeat count input
flowlab.io/releases#2508
v1.2461 Jun 27 2020 2 2 June 27, 2020

New

  • New scalemodes for fullscreen: None, Letterbox, Zoom, Stretch, and Expand
  • New background rendering system, reduced memory use & improved performance

Fixed

  • Overall reduction in memory use
  • Fixed crash in some Behavior Bundles
flowlab.io/releases#2461

Releases before 2020 are listed in the community forum archive.