The ZipEx actions plugin was updated to version 1.0.3.0. The new version adds decompression support for RAR 5.0 archiving format, as used in the new WinRAR 5.0 product. The new archiving format is activated with the "-ma" command line argument, or by using the graphical user interface:
The new build is available now for Lua 5.1.
Please note: There might be another update for this product, if there are changes required after WinRAR 5.0 is out of beta.