From The Document Foundation Wiki
Improvements of XLSX import/export filter
- Export into XLSX with sheet names bigger than 31 characters tdf#79998 (Serge Krot, CIB)
- Export checkboxes into XLSX tdf#106181 (Serge Krot, CIB)
- Resolved "invalid content error" when opening exported XLSX file with shape tdf#133595 (Serge Krot, CIB)
- Glow effect on objects was implemented tdf#101181 (Tamás Bunth, Mike Kaganski, Collabora)
- Soft edge effect on objects was implemented. More info in this blog post tdf#49247 (Mike Kaganski, Collabora)