I just got the demo version and so far was about to buy until this problem began to appear. It fixed itself when i loaded the game on my first try but after that it didnt go away. I noticed it only happens with any rock blocks, I can collect dirt, wood, and grass etc. These blocks just vanish after i break them (I cant see the collectible icons) and it has happened in more than one area. Would love to hear a solution.
MC-156050
Stone blocks disappear after breaking - cant collect
Resolved
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1.14.3 - Mined blocks or dropped items will delay in picking up of several seconds. This appears to be associated with a general lag, most easily demonstrated when chopping down a tree. The lag can be see in three ways:
1. Chopped blocks reappear.
2. Mined blocks cannot immediately be collected.
3. As leaves disintegrate, FPS drops significantly.
It appears the game engine is processing changes slower than 1.13, stops accepting changes or loses them, and in some cases is overwhelmed by the amount of them.