For more detalils see our feature page at our web site, https://www.epplussoftware.com/en/Developers/Features

• Value filters
• Date group filters
• Custom filters
• Top 10 filters
• Dynamic filters

• Filters
• Calculated columns
• support for shared caches
• Pivot table slicers

• See this wiki page

• ExcelRange.ToText
• ExcelRange.ToTextAsync
• ExcelRange.SaveToText
• ExcelRange.SaveToTextAsync
• ExcelRange.ToDataTable

• Several new async functions
  • ExcelPackage.SaveAsync
  • ExcelPackage.SaveAsAsync
  • ExcelPackage.GetAsByteArrayAsync
  • ExcelPackage.LoadAsync
  • ExcelRange.LoadFromDataReaderAsync
  • ExcelRange.LoadFromTextAsync

• Creating and modifying theme properties.
• Loading and applying theme files (.thmx)

• New ColorManger, that adds support for theme colors, HSL colors, preset colors, rgb colors, rgb percentage colors and system colors. Also adds support for color transformations with effects like alpha, shade, hsl, rgb and more.
• New FillManager to support solid fills, gradient fills, pattern fills and blip fills.
• Support for numerous effects and 3D styling for drawing objects.
• Applying predefined glow, reflection, shadow and 3d effects

• Support for all Excel 2019 chart types, with 12 new types from EPPlus 5.2:
  • Four types of stock charts: High-Low-Close, Open-High-Low-Close, Volume-High-Low-Close and Volume-Open-High-Low-Close
  • Sunburst Chart
  • Treemap Chart
  • Histogram Chart
  • Pareto Chart
  • Funnel Chart
  • Waterfall Chart
  • Box & Whiskter Chart
  • Region Map Chart.
• New chart StyleManager to support over 100 Excel build-in style for all EPPlus supported chart types
• Loading and applying chart templates files (.crtx).
• Loading and applying chart style xml and color xml (can be extracted from a .xlsx package).
• New typed methods to add charts to the drawings collection. For example, AddPieChart or AddLineChart.
• New typed Series collection to more easily access chart specific typed series.
• Errorbars, High-Low lines, Drop lines and Up/Down bars
• New As property to the Drawing, ConditionalFormatting and Datavalidation objects for easier type cast. For example var sunburstChart = worksheet.Drawings[0].As.Chart.SunburstChart; or var listDv = sheet.DataValidations.First().As.ListValidation;

• Support for ignoring errors on cell ranges

• See this wiki page

• Improved functionality for circular references
• More Excel compatible handling of floatnumbers/rounding, see this wiki page
• 128 new functions: See full list here

• See this wiki page