Spire.PDF 12.4.0 optimizes memory consumption during PDF merging

Spire.PDF 12.4.0 optimizes memory consumption during PDF merging

2026-04-01 09:30:59

We're pleased to announce the release of Spire.PDF 12.4.0. This version optimizes memory consumption during PDF merging and also fixes several issues that occurred when processing PDF files. More details are listed below.

Here is a list of changes made in this release

Category ID Description
Optimization SPIREPDF-7878 SPIREPDF-7958 Optimized memory consumption during PDF merging.
Bug Fix SPIREPDF-7850 Fixed an issue where removing image watermarks from PDFs failed.
Bug Fix SPIREPDF-7963 Fixed an issue where keywords were not correctly identified when using “TextFindParameter.WholeWord”.
Bug Fix SPIREPDF-7980 Fixed an issue where content stream markers did not correctly include attribute placeholders when an “ArtifactPropertyList” object was passed to the “BeginMarkedContent” method.
Click the link to download Spire.PDF 12.4.0:
More information of Spire.PDF new release or hotfix: