Mel Gibson -- No More Anger Issues

Mel Gibson has done all he needs to do to prove he has conquered his anger issues ... TMZ has learned.

Mel's lawyer, Blair Berk, appeared before Judge Stephanie Sautner this AM and showed her honor proof that Mel not only completed the required number of hours of court-ordered anger management therapy -- he exceeded it.

As a result, all Mel has to do now to get off of probation -- for pleading no contest to battery against Oksana Grigorieva -- is keep his nose clean for 2 more years, and then he's officially off informal probation.