Version 4.4.1

General

Fixed a bug with incorrect behavior of the Add New UV Map operator for Select UV Sync - off when projections were not created.

Added options for the Mark Sharp by UV Borders operator to ignore Splits (Cylinder Edges).
Optimized the output of warning notifications for Zen Unwrap operator.
Fixed a bug where Zen Unwrap operator settings in the panel did not have an effect on the operator.

Added Select Open Edges operator to select edges that are clearly open or visually open (adjacent to hidden polygons).
Added Select Quaded Islands operator for selecting islands consisting only of quads.
Added Select Seam operator for selecting edges of Seam type.
Added Select Sharp operator for selecting edges of Sharp type.
Added operator Select Splits to select edges of type Splits, which belong to the same island, but are separated in UV Editor (Cylinder Edges).
Added Select Linked Loops operator to select UV edges belonging to one edge in UV Sync Selection - off mode.
Added operators Face/Edge to Loops to convert face, edge selections into UV loops selections.
Added Select Edges by Condition operator to select edges based on several conditions. For example, select edges that are Sharp but are not UV Boundary.
Added the ability to select borders of a specific island and borders of selected faces to the Select Borders operator.

Added Split operator to split islands into selected edges.
Added Merge operator for welding UV vertices belonging to the same mesh vertex.
Added the ability to display process using Blender Annotation for Quadrify, Match and Stitch and Fit into Region operators.
Added Select Quaded Islands, Select Linked Loops, Select UV Borders operators for ease of use together with Transform operators.
Fixed a bug in Transform - Move operator leading to an eternal loop if all UVs are selected and the system is in Selection mode.
Fixed a bug in Orient by Selected operator for multi-object selection.
Fixed a bug in Relax operator if the active texture was not found on disk.

Added an operator to UV World Size system to determine the texture size based on the selected element on the texture using Trims. For example, for a texture with bricks, we can determine the size of the entire texture if we know the size of the brick.
Added UV World Size Presets.
Added an operator to get the size of the active texture.
Improved and optimized Set TD operator interface for Global Mode.
Fixed a bug in Get UV World Size operator for the case when the size is zero.

Fixed a bug with the Select Empty Objects operator, which did not work in Object Mode.
Fixed a bug when a checker was not applied to objects in Edit mode, but not selected in the scene. It was also fixed when for such cases the checker enable button was not active.

Added the ability to place buttons on one line for the addon main panel selector.
Added Python Operator Wrapper. An operator that can be executed by another operator.
Added an operator that can execute code written in Python.
Optimized and simplified search for folder path with user scripts.
Fixed and optimized operators using rotation transformations for non-square textures.
Fixed a bug with the orientation of the main panel buttons not being saved in the addon properties.
Optimized Sticky UV Editor - Save and Restore settings.
Fixed a bug in Sticky UV Editor leading to a crash for Shading Layout.
Fixed a bug with restoring not-default Adjust Last Operation value by clicking Sticky that caused Blender crash.
Fixed a bug in detecting cyclic islands leading to incorrect transformation.
Fixed a bug with obtaining values for Zen UV Tool in the Image Editor mode.
Fixed tab selector for BlenderStyle in Vertical mode.
Fixed a bug when Pie Menu was not called in the UV Editor if the object did not have any UV maps.
Fixed abnormal behavior when transforming in a separate UV Editor window.
Fixed a conflict with addons for managing UI and Annotation Zen UV panel.