Hi Mojang and Mega Spud! Today i am want to report you these bugs and one of the bug is with the world generation this is totally a serious bug when the Mountains with new world height was added the caves were gone they were being finished from the overworld and this issue was still when the height was increase form downwards and now the open caves are added this issue is not been fixed yet so i am heavily requested to fix this critical bug and now all the various kinds of blocks are not placed properly when you started to place blocks the blocks disappear suddenly after the 2 or 3 blocked placed to placed blocks easily and not to face this bug you have to apply another method to placed them successfully and now finally the glow item frame texture is change it's texture is now like item frame means that it's original texture have been finished and now it have item frame texture sorry i do not have attached videos and pictures because it has been deleted and i hope you understand that what i am saying so please fix this bug please!
Thankyou!