Created attachment 79964 [details] screenshot where 2 extra points selected Almost all shapes except of square and rectangle have 2 extra dots, one in upper-left corner and another in bottom-right. Preparations: Tools->Options->LibreOffice->View, disable "Use Anti-aliasing" Steps to reproduce: 0. Start Writer/Calc/Draw/Impress 1. Draw any shape except of square and rectangle, for example circle Actually: shape has 2 extra dots 1-pixel size, one in upper-left corner and another in bottom-right Expected: no mentioned above dots, only shape 2. Right mouse click on shape, select convert->to polygon. Press F8 if needed. Now we see extra points selected. Reproduced in 3.5.7 and 4.0.3 on Fedora (RFR) 64 bit This bug is continuation of this: Bug 47544
*** This bug has been marked as a duplicate of bug 37559 ***