Update changelog

CHANGELOG.md

@@ -496,9 +496,13 @@ This is a fast forward to v1.6.3 of daviscook477's fork with a few additional ch
 * Fix crash when toggling beta art on modded cards (kiooeht)
 * Fix crash if modded card is missing _p texture (kiooeht)
 
-#### dev ####
+#### v5.4.0 ####
 * Fix unlock crash on victory with custom characters (kiooeht)
 * Fix PostDeath hook not triggering on killing Heart (kiooeht)
 * Tag the basegame basic cards with BASIC_STRIKE, BASIC_DEFEND, and FORM (kiooeht)
 * Custom victory cutscenes for custom characters (kiooeht)
 * Custom victory effects for custom characters (kiooeht)
+
+#### dev ####
+* Add OnPlayerLoseBlockSubscriber hook (JohnnyDevo)
+* Added function to remove relics from custom characters' pools (Moocowsgomoo)