Installation

- Open Blender
- Go to Edit → Preferences → Addons.
- Click little arrow at top-right corner → Install from Disk
- Select downloaded zip file and install
- Addon is installed, enabled and ready to go. 
- Optional: customize hotkeys and colors to your liking. 

General Workflow

Addon can be found in UV Editor window → N-panel → UV Lattice. 
Optional: right-click on button and add it to quick favourites for lightning-fast access.

- Select UV-s  you wish to deform and hit ‘UV Lattice’ button.
- Lattice will be created around the selection. 
- Hotkey list will be displayed at the left of the window. (customizable from addon settings)
- Add vertical and horizontal subdivisions.
- Reposition, rescale and tweak lattice as you wish.
- Bind
- Move, rotate, scale, transform and tweak control points.
- `Ctrl` for snapping (nearest uv vert when unbound, angle/increment when bound)
- `Ctrl+Z` to undo, `Enter/Return` to confirm, `Esc` to cancel.

Optional: toggle interpolation modes between bilinear (fast, linear, predictable deformations) and Catmull-Rom (softer but slower on dense meshes)

Changelog

1.0 – Initial release
1.1 – For blender 5.0
1.1.1 – hotfix (Blender 5.x). Fixes error with pivot mode switch (bounding box/cursor). Adds error message when uvs are not selected