Effect 4.0 is a major release that rebuilds the framework from scratch, delivering significant performance improvements, reduced memory usage, and smaller bundle sizes. The core package now has zero runtime dependencies and includes comprehensive features from basic functions to distributed systems with durable workflows and clustering. Starting with version 4.x, Effect offers long-term support with bug fixes until September 2029 and security fixes through 2031.
Qt 6.12 LTS has been released with enhanced cybersecurity features, improved UI performance, and new capabilities like Canvas Painter and hot reload for QML. As a Long-Term Support release, it provides five years of maintenance and meets EU Cyber Resilience Act requirements, with official support for HarmonyOS and various developer improvements including QRangeModel enhancements and QtGrpc optimizations.