Release notes

Changelog

Version 2.2.1

Released 20 Jan 2026
EnhancementUnreal EngineAdded support for Unreal Engine 5.7
EnhancementAllowed data-bind-class-toggle to work when the class is already present on the element
FixUnityFixed invalid UTF-8 strings causing exceptions in the C++/C# binding code
FixUnityFixed a deadlock when using text transformations in Unity
FixFixed a crash when using unsupported video codecs
FixFixed INodeProxy::GetAttribute returning the attribute name rather than its value
FixFixed a potential crash caused by INodeProxy::GetAttribute writing past the input buffer size
FixFixed a crash when using special characters with complex text languages
FixFixed a crash when using the clip-path CSS property with polygon shapes
FixFixed a crash when detaching inline SVG elements
FixFixed incorrect CSS aspect-ratio on <img> elements using SVG images when SVG loading is delayed
FixFixed parsing of CSS aspect-ratio with extra whitespace
FixFixed string serialization of the CSS aspect-ratio values to match the behavior of browsers
FixFixed a bug where updating aspect-ratio with the same ratio expressed using different numbers did not replace the previous value
FixFixed a crash when handling font resource requests during abort notification
FixFixed a crash where font load/unload triggered resource requests to register or unregister other fonts
FixFixed a bug that disconnected the Inspector for an inspected View when another View is destroyed
FixFixed a crash when using the ResizeObserver API
FixFixed an untagged allocation assert when wrapping complex text
FixFixed a bug in the WebP decoding logic leading to a crash when loading certain images
FixFixed parsing of SVG transform attributes
FixFixed pixel line rendering artifacts when drawing SVG images
FixFixed inspecting data-bind-if attributes in the Inspector
FixUnreal EngineFixed live reload for paths starting with FPaths::ProjectDir() on Unix platforms