Blockbench 4.4.0

What's new in this version:

Brush Updates:
- Added Copy Brush
- Added square brush shape
- Added default brush presets for pixel and smooth brush
- Added custom brush presets
- Improved brush line tool accuracy
- Use smoother equation to calculate smooth brush falloff
- Added brush blend modes
- Added advanced mirror painting options, to mirror in local space or on the Z axis
- Added option to mirror paint strokes to each frame of an animated texture
- Added Brush API to create custom brushes via plugin
- Improved brush stroke of smooth brushes
- Added a setting to only allow painting with stylus, and use mouse/touch only for navigation
- Brushes and brush lines now work across entire mesh UV islands, rather than individual faces

Image Editing:
- Added image import menu, with options for texture, background or direct editing
- Added 2D image editing mode- Added options to select rectangle selection snapping mode, set the default to the Photoshop-like option based on the result of a community poll.

Validator:
- Added live validator, that will display common issues with your project directly while modeling. Warnings and errors will be displayed in the status bar.
- Added validator checks for common configuration issues with smooth keyframes
- Added validator check for invalid texture names
- Added validator warning for cubes outside size restriction
- Added validation for smooth keyframes in Hold animations
- Errors for common Molang syntax issues

QoL Features:
- Models can now remember loaded textures and animations, and will load them when importing the model
- Added option to copy and paste coordinate vectors by right clicking
- Added option to reveal file in explorer when right clicking recent model on start screen
- Added setting to set a default for uniform scale keyframes
- Added setting to set a default size for cubes
- Improved automatic name recognition and flipping on numbered groups
- Added scroll bar for color palette on mobile
- Shape Tool will now display shape sizes in status bar
- Auto select current pixel density in UV template generator
- Improved Apply Display Preset menu
- Add option to cancel GIF processing in status bar context menu

Other Changes:
- Group pivot points are now compatible with vertex snap
- Added option in mesh primitive generator to generate with axis-aligned sides
- New reference zombie and armor stand texture in Display mode
- Front/Side light option in display mode once again display in the preview
- Added option to bring affected animators into the timeline when using Flip Animation
- Made resize tool scale keyframes on selected axis even if uniform
- Move mesh loop cuts in units instead of percentage
- Added bedrock block size restrictions
- Cleaner way to display beta version in about dialog
- Increased minimum image zoom in Image format

Accessibility:
- Increase scrollbar width on mobile
- Added back button support on Android
- Closes active dialog or menu of possible
- If not, acts as an undo button
- Overrides default of closing PWA without asking to save
- Auto-select contrast theme if high contrast mode is detected on Windows

API Features:
- Added brush option for tools
- Allow dynamic root structure lists in menus
- Added custom cube size limiter API
- Added side_menu property for actions
- Added commands option in message boxes
- Added event hooks for (un-)selecting preview scenes
- Added event hooks for constructing and deleting formats

Fixed:
- Fixed an issue where the program would update to outdated beta versions
- Fixed multiple update icons appearing when reloading app after downloading an update
- Fixed find/replace not affecting keyframe values that are 0
- Fixed previews in image edit dialogs not updating
- Fixed issue with dragging keyframes on touch screens
- Fixed error with exporting Collada animation with query.anim_time
- Fixed message appearing when navigating viewport while using copy paste tool
- Creating keyframe column resets marker color on existing keyframes
- Fixed changeFormValues on dialog ot updating file input visually
- Fixed pivot tool not selecting faces
- Fix multiple update messages when reloading app
- Fixed issue where texture in UV editor would not stretch correctly while painting
- Fixed missing translations for brush shape
- Fixed #1537 Mirror Painting not working
- Fixed potential issue with clicking some links in custom UIs
- Fixed issue with updating select inputs in dialog forms
- Fixed default transform behavior of custom element types
- Fixed #1534 Flip Animation is missing starting keyframe
- Fixed #1543 Windows high contrast mode overrides UI colors
- Fixed #1541 Animation Length slider does not update
- Fixed #1427 Shifting UI when pressing PageUp/Down
- Fixed uniform keyframe scaling being slow
- Fixed painting grid not updating when exploding model
- Fixed tooltip in texture generator dialog
- Fixed wrong keybinding label in status bar on Mac
- Fixed #1529 Brush stroke not connected between mesh faces
- Fixed issue with stylus pressure and brush opacity