The server you are playing on most likely has the gamerule of randomTickSpeed is set higher than default. Try the same test on singleplayer.
This is intentional.
This is because using /weather simply posponed any existing weather, not canceling it.
Not happening for me, creepers explode fine with mobgriefing off!
Illager patrols are rare
Place water at ur feet, and swim up, that always works for me.
This is a duplicate, it was already reported.
I know why this is, all effect icons, and survival inventory screen textures are stored in the same PNG file. With Programmer Art active, it changes that PNG file to what is it is 1.13.2, so the other effects get the old icons. However, this also deletes the Bad Omen effect texture, and replaces it with the placeholder texture added in that file. To fix this, simply add the Bad Omen icon to that file, and not any others.
This is intended, Jigsaw blocks are only used in world gen, and are not meant for players.
The Berry Bush is like a web, you can't jump. This is intended.
This just looks like TPS lag...
Most likely it simply got outside of loaded chunks. Try turning up your render distance, and throw it again.
This is intended, and in fact was mentioned in a changelog. Iron Golems / Villagers protect Pandas.
This is intended, and in fact was mentioned in a changelog. Iron Golems protect Pandas.
The menu panorama is a pre-made file by Mojang, and can be edited in a Texture Pack. It is not generated by the game, and does not update with packs.
This is intended, for old worlds.
I can confirm
So do banners