Hardware Accelerated or Normal MMF2?

The merge of HWA features into the main MMF EXE I think

Yes that's the main change.

There are also some fixes, mainly in the runtimes, the list will be published when the patch of the build 252 will be released. The iOS exporter doesn't patch the SWF runtime files and/or the Unicode version, that will be done by the patch (should be available soon).

Aldo new extension - Active Backdrop and availability to use Createby Name by Andos.