2026.11 Release Notes

Release date: 11th November 2026

Next release: 23rd December 2026

Announcements

We are keeping Java 17 as our minimum Java version supported

Key features at a glance

General bug fixes
Lots of Speed improvements especially for JPEG, JPEG2000, and PNG to PDF
Improved WEBP memory usage by 85%
First iteration of Brotli encoding

New features and Enhancements

JDEL-789 Brotli Encoding
- First iteration includes: Huffman literal encoding, Uncompressed blocks, and Metadata blocks. More to be added in coming releases
JDEL-801 Improve WEBP decoding memory usage
- About 85% reduction in memory usage especially for images with large dimensions
JDEL-809 Reduced memory usage for internal streams
JDEL-811 Build and decode large JBIG2 Huffman symbol code tables without scanning every row
JDEL-815 JBIG2 global segments are decoded again for every image that shares them
JDEL-817 Speed up JPEG decoding by converting color while interleaving components
JDEL-818 Speed up CMYK to RGB conversion with per-channel interpolation tables
JDEL-820 Speed up the remaining CMYK conversions with per-channel interpolation tables
JDEL-821 Improve PNG to PDF conversion speed by passing through IDAT data for specific PNGs

Fixes

JDEL-793 Fix isReadable in metadata, now better returns if the image can be decoded
JDEL-802 Fix USE_SHAPE_COORDINATES in Watermark
JDEL-810 Fix partial reads in ASCII85InputStream and read input in blocks