crash saving opened spline inR12
force write file if select save as
correct mesages in polyline del
speed x2000 loading big polylines from dxf
positive radius in mirroring blocks, bug#3601931
correct delete in openedfiles, bug#3601945
Bug: do not save undone entities in block definition
bug: saving image name in UTF8
segfault...some DXF, crash dim text horizontal #3602446
asciifile added connect points option
ascii point added column point format
plugin correct setLayer if exist
printpreview: cleanup option widget logic, bug#3601729
dimlinear: option widget logic, bug#3602870
entities linked to multiple layers, bug#3602152
prevent crash with fontchar special blocks
fix: Extend line inside circle do not function #3537053
libdxfrw: save $DIMLUNIT var
dimentions don't work after... #3601312
Segfault when pasting a copy of a block #3537865