Viewer : Added overscan display when looking through a suitably configured render camera.
Spreadsheet : Improved performance when constructing large Spreadsheets.
Viewer/InteractiveRender : Fixed bug that caused unnecessary attribute updates when changing globals.
GraphComponent : Fixed Range and RecursiveRange iterators so that they correctly filter classes defined in Python (#3441).
MenuButton : Fixed bug that caused buttons to remain highlighted after their menu was closed.
StringPlug : Added compatibility for loading files saved in a future Gaffer 0.57.0.0 release.
Spreadsheet : Added Python binding for
Serialisation : Added