Spire.Presentation for Python 11.6.2 supports configuring licenses via environment variables

Spire.Presentation for Python 11.6.2 supports configuring licenses via environment variables

2026-06-18 03:33:14

We're pleased to announce the release of Spire.Presentation for Python 11.6.2. This version adds support for configuring licenses via environment variables, with automatic recognition and loading of the following three variables: SPIRE_OFFICE_LICENSE_KEY, SPIRE_PPT_LICENSE_KEY, and SPIRE_LICENSE_KEY, optimizes the processing logic of multiple interfaces to further eliminate potential user experience issues, and fixes several exceptions when loading PPTX documents. More details are listed below.

Here is a list of changes made in this release

Category ID Description
New Feature - Added support for configuring licenses via environment variables, with automatic recognition and loading of the following three variables:
SPIRE_OFFICE_LICENSE_KEY
SPIRE_PPT_LICENSE_KEY
SPIRE_LICENSE_KEY
Optimization - Optimized the processing logic of multiple interfaces to further eliminate potential user experience issues.
Bug Fix SPIREPPT-3134 Fixed an issue where the program threw a "Microsoft PowerPoint 2007 file is corrupt." exception when loading PPTX documents.
Bug Fix SPIREPPT-3135, SPIREPPT-3136 Fixed an issue where the program threw an "Arg_NullReferenceException" exception when loading PPTX documents.
Click the link below to download Spire.Presentation for Python 11.6.2: