• WIP - Formula calculation engine (issue #65)
• Dynamic array formulas support
• Legacy CSE array formulas support
• Complex chart style support
• Object Linking and Embedding (OLE) format support (#44)
• Diagrams (SmartArt Graphic)
• Create pivot chart support
• Get table slicer and pivot table slicer support
• Delete table slicer and pivot table slicer support
• Add AutoFilter in streaming API
• Support SetCellHyperlink in streaming API (#982)
• Support get images list of the worksheet

The performance data is generated by this benchmark testing script.