It's been in core/updates_testing for a while but it seems I forgot to file a bug report for the update candidate.
Updated supertuxkart packages bring latest upstream release
This update brings SuperTuxKart 0.9.3 to Mageia 6, with new tracks and karts,
as well as various bug fixes and optimizations that should improve the game
experience while staying compatible with STK 0.9.2 settings and saved games.
RPMs in core/updates_testing:
SRPMs in core/updates_testing:
Tested successfully on Mageia 6 x86_64, played a couple tracks and I did notice performance improvements (+ nice new content) compared to 0.9.2 in current Mageia 6.
An update for this issue has been pushed to the Mageia Updates repository.