* Enhancement: %GITHUB%/issues/1249 Include expanded/collapsed state of layer properties into session
* Bugfix: %GITHUB%/issues/1265 Issues installing klayout with pip on macOS related to libpng
* Enhancement: %GITHUB%/issues/1271 __version__ attribute in Python modules available now
* Bugfix: %GITHUB%/issues/1287 Goto Position (CRTL+G) is not showing the origin (0,0)
* Bugfix: %GITHUB%/issues/1291 Better compatibility of PyQt5 and KLayout (i.e. debugger does not crash)
* Enhancement: %GITHUB%/issues/1294 Persisting layer properties in sessions
* Bugfix: %GITHUB%/issues/1302 Select filter is not applied in partial mode
* Bugfix: %GITHUB%/issues/1304 Spice netlist reader: should read "M" terminals in DGS order
* Bugfix: %GITHUB%/issues/1309 Incomplete fill (polygon rasterizer issue)
* Bugfix: %GITHUB%/issues/1315 Cannot export layers from Marker Browser in viewer mode
* Bugfix/enhancement: some LEF/DEF parser issues solved with the help of a new complete sample case
* Bugfix: Avoid a segfault while editing a ruler. This happens is both a selection and a transient selection is active.
* Enhancement: Some enhancements for image editing (e.g. selection remains after moving handles)
* Enhancement: klayout.db Python module is auto-loaded for providing stream readers
* Enhancement: Spice reader now supports parametric subcircuits
* Enhancement: Build issue fixed for Qt 5.15.2 bindings
* Enhancement: Including Python's matplotlib into Windows binaries
* Bugfix: Reading fillcell-generated inputs again into DRC deck now also works for deep mode