v3.1.0

Release Date: (04.05.2026) ^(DMY)

• Version bump of NanoXLSX.Core to v3.1.0
• Improved reader performance (memory consumption, load time). Reading a workbook should now be up to 3 times faster.

v3.0.1

Release Date: (24.04.2026) ^(DMY)

• Fixed internal async handling of the workbook reader, to avoid deadlocks in WinForms/WPF projects, when async is not used (regression).
• Fixed order of worksheets when manually changed
• Added filename to workbook when reading from file

v3.0.0

Release Date: (28.02.2026) ^(DMY)

• Final release of NanoXLSX.Reader
• See the main changelog for a comprehensive summary of all changes since v2.6.7

v3.0.0-rc.4 + v3.0.0-rc.5

Release Date: 22.01.2026 ^(DMY)

• Added reader handling for the Font properties: Font.Outline, Font.Shadow, Font.Condense and Font.Extend
• Moved internal interfaces to NanoXLSX.Core (namespace NanoXLSX.Interfaces.Reader)
• Changed plug-in handling
• Version bump rc.4 to rc.5

v3.0.0-rc.3

Release Date: 04.01.2026 ^(DMY)

• Changed handling of colors in the style reader (Fills) to consider:
  • sRGB colors (RGB / ARGB)
  • Indexed colors
  • Theme colors
  • System colors
  • Auto colors
  • Tint values

v3.0.0-rc.2

Release Date: 27.11.2025 ^(DMY)

• Refactoring of several enums from lowercase start to uppercase start for better consistency

v3.0.0-rc.1

Release Date: 25.11.2025 ^(DMY)

• Initial release of the reader library