New Application class, removed PyMEL

• New Application class for testing current application name, version, batch mode, etc
• Fix generic deferred method not passing in arguments
• [Maya] Replaced pymel with maya.cmds
• [Maya] Fixed error loading dialog windows
• [Maya] Fixed bug where windows wouldn't dock via code
• [Nuke] Fixed error loading standalone and terminal windows
• [Nuke] Show traceback if error occurs during callback
• [Blender] Add deferred method

Linux + UE5 + CryEngine support

• Added Linux support
• Fixed Unreal Engine to support 5.x
• Added CryEngine support
• Minor fixes for Maya, Houdini, Blackmagic Fusion and Substance Painter

Substance Painter and Nuke Terminal support

• Python 3 fixes
• Substance Designer+Painter docked windows
• Nuke terminal support

Bug fixes

• Correctly loads the Blender window if using Blender 3
• Automatically load the latest version of a palette if no version is given
• Fixed instanced windows from preventing the parent window setting a palette

Bug fixes

• Fixed docked Nuke windows not emitting the windowReady signal.
• Ignore Maya error if callback node can't be converted to an MNodeMessage compatible node.

Bug Fixes

• Disable Nuke batch mode check as it wasn't accurate
• Correctly set size of dialog windows
• Fix error when calling about() with no WindowName attribute
• Fix issue with about() not working correctly with new style signals
• Fix error if loading docked Maya window from another docked Maya window
• Avoid overriding the palette of a child window if launched from StandaloneWindow
• Fix bug if using PyInstaller

Dialog windows and fixes

• Added dialog launch option to work with all programs.
• Renamed dialog to isDialog.
• Deprecated use of pm.layoutDialog in Maya.
• Remember signal connection types when pausing.
• Improve saving window positions.
• Remove exception if Nuke window is not available.

About dialog and general fixes

• Removed Qt.py from source and added as dependency
• Automatically generate an "About" dialog
• Improved signal pausing
• Fixed typo in Blender callbacks
• Fixed bugs in Nuke docked window
• Get main Fusion window

Initial Blackmagic Fusion Support

• Added support for launching a GUI in Fusion.
• Reworked import checks to be more efficient.
• Add QMenuBar override so it works in docked Maya windows.
• Applied setVisible override to all windows.
• Renamed isChildWindow to isInstance, since it checks if the window was launched with the instance method.

Initial Substance Designer Support

Added support for launching a GUI in Substance Designer.

Some general fixes were done along with improvements to the Nuke and Maya windows.