Spire.XLS 16.6.1 enhances the conversion from an Excel chart to an image

Spire.XLS 16.6.1 enhances the conversion from an Excel chart to an image

2026-06-08 03:36:26

We're pleased to announce the release of Spire.XLS 16.6.1. This version optimizes the conversion from an Excel chart to an image. Meanwhile, some issues that occurred when calculating formula values using CalculateAllValue and loading ODS files have also been successfully fixed. More details are listed below.

Here is a list of changes made in this release

Category ID Description
Bug Fix SPIREXLS-6133 Fixes the issue where an IndexOutOfRangeException was thrown when converting a chart to an image.
Bug Fix SPIREXLS-6142 Fixes the issue where the CalculateAllValue method returned incorrect formula calculation results.
Bug Fix SPIREXLS-6144 Fixes the issue where the CalculateAllValue method took too long to calculate formula values.
Bug Fix SPIREXLS-6146 Fixes the issue where a "Key cannot be null" exception was thrown when loading ODS files.
Click the link to download Spire.XLS 16.6.1 :
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