The WCA Regulations 2010 are now final.

See https://www.worldcubeassociation.org/regulations for the new version.
See https://www.worldcubeassociation.org/regulations/regulations\_history2010.html for all changes.
See https://www.worldcubeassociation.org/regulations/regulations2010new.html for the 2010 version with all changes marked.
See https://www.worldcubeassociation.org/regulations/WCARegulations2010.pdf for the 2010 version in PDF.

All competitions starting today (April 14, 2010) must use this new version of the regulations.

Most important changes are:
= Preferred format for Megaminx is now 'Average of 5'.

Other changes for competitors:
= Stricter rules for timer malfunctions. Timer shows 0.01 - 0.05: extra attempt (unless intentional by competitor). Timer shows 0.06 or higher: DNF (unless reproducible malfunctioning).
= Puzzles with textures or painted colours are now accepted.
= Blindfolded: Competitors must bring their own blindfold.
= Fewest moves: Solutions maximum 80 moves and/or rotations.
= Magic: No practice solves on timer.

Other changes for competition organisers:
= WCA delegate is now responsible for providing the scrambles.
= Improved scramble programs.
= At least 25% of competitors must not proceed to round.

Thank you all for your feedback and contributions.
We did our best to cover all your feedback, but it is never possible to make everyone happy.
Feedback is always welcome in the WCA Forum.

Happy cubing,

Ron van Bruchem
World Cube Association