Minecraft wiki entry for Development_versions, associated text: /playsound commands now play the sound correctly for all players in range
/effect command duration is now capped at 1,000,000 seconds (MCPE-92916)
Add ticking area commands performed in the same tick now disallow adding areas with the same name twice
Placeholder text message for the /titleraw command success no longer returns to player (MCPE-63618)
FadeOut argument is no longer ignored in /title's times command