Release Notes 2.2.1

Changelog

Version 2.2.1

---

Released 20 Jan 2026

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