Date availability of Cool.uniname

Author: lizmat

doc/Type/Cool.rakudoc

@@ -944,6 +944,8 @@ codepoints, and L<uniparse|/routine/uniparse> for the opposite direction.
     say (0..0x1FFFF).sort(*.uniname.chars)[*-1].chr.uniname;
     # OUTPUT: «BOX DRAWINGS LIGHT DIAGONAL UPPER CENTRE TO MIDDLE RIGHT AND MIDDLE LEFT TO LOWER CENTRE␤»
 
+Available as of the 2021.04 Rakudo compiler release.
+
 =head2 routine uninames
 
     sub uninames(Str:D)