The open-source Lightspark Flash Player is now at version 0.5 release candidate one. This new release is set to bring a number of significant improvements to this free software alternative to using Adobe's proprietary Flash Player on Linux operating systems.
Among the improvements in Lightspark 0.5 RC1 is improved XML support, improved FFmpeg support, improved alpha support, improved masking support, improved shader performance, support for audio volume, support AMF3 serialization, support for dynamic text, an SDL-based audio back-end has been improved, greater OpenGL ES (GLES) compatibility, and many other improvements and new features. There's also better Lightspark support for YouTube and initial support for the Grooveshark player.
Read more about Lightspark 0.5 RC1 in this blog release announcement