Summary:
Prior to update 1.2.13, stone buttons drop out when broken by hand. Might be a side effect of this change: https://feedback.minecraft.net/hc/en-us/articles/360004167331
Pickaxes now break Stone Buttons faster than hands
In the Java version, dropping stone buttons when broken by hand is an intentional feature. see MC-177518
Steps to reproduce:
Place the stone button.
Break the button with your hand.
Observed results:
The button does not drop when broken by hand.
Expected results:
The button drop when broken by hand.
Video:
1.2.8
1.19
[media]
the stone button drops as an item when the attached block is removed