Update changelog

CHANGELOG.md

@@ -2,9 +2,12 @@
 
 #### Build 2410270
 -   WLED 0.15.0-b7 release
+-   Re-license the WLED project from MIT to EUPL (#4194 by @Aircoookie)
+-   Fix alexa devices invisible/uncontrollable (#4214 by @Svennte)
 -   Add visual expand button on hover (#4172)
+-   Usermod: Audioreactive tuning and performance enhancements (by @softhack007)
 -   `/json/live` (JSON live data/peek) only enabled when WebSockets are disabled
--   Bugfixes: #4179, #4215, #4219, #4224, #4228, #4230
+-   Various bugfixes and optimisations: #4179, #4215, #4219, #4222, #4223, #4224, #4228, #4230
 
 #### Build 2410140
 -   WLED 0.15.0-b6 release