Qt 5.15.2 is a bug-fix release. It maintains both forward and backward compatibility (source and binary) with Qt 5.15.1. For more details, refer to the online documentation included in this distribution. The documentation is also available online: https://doc.qt.io/qt-5.15/index.html The Qt version 5.15 series is binary compatible with the 5.14.x series. Applications compiled for 5.14 will continue to run with 5.15. Some of the changes listed in this file include issue tracking numbers corresponding to tasks in the Qt Bug Tracker: https://bugreports.qt.io/ Each of these identifiers can be entered in the bug tracker to obtain more information about a particular change. **************************************************************************** * Important Behavior Changes * **************************************************************************** **************************************************************************** * Library * **************************************************************************** - [QTBUG-87583] Allowed loading SVG files with a doctype declaration - [oss-fuzz-24611] Implemented a basic format check for compressed svgs so it will fail early if the file does not start with a svg or xml tag after decompressing - [oss-fuzz-24611] Avoids recursion when inflating compressed svgs and no longer returns a partially extracted QByteArray - [oss-fuzz-24347] Reduced memory consumption significantly for huge files. - [oss-fuzz-24735] Reject corrupt svgs with invalid size Third-Party Code ---------------- - XSVG license was re-classified to HPND-sell-variant, "Historical Permission Notice and Disclaimer - sell variant"