Free hanging corner vines are not correctly updated when supporting block is broken
The bug
Free hanging corner vines are not correctly updated when the the block the vines above are supported by is removed.
See also Bug Of The Week 1: Vines in 1.12
How to reproduce
Use these commands
/setblock ~1 ~3 ~1 stone /setblock ~2 ~3 ~2 stone /fill ~2 ~3 ~1 ~2 ~ ~1 vine south=true,west=true /setblock ~1 ~3 ~1 air
Created Issue:
Free hanging corner vines are not correctly updated when supporting block is broken
The bug
Free hanging corner vines are not correctly updated when the the block the vines above are supported by is removed.
See also Bug Of The Week 1: Vines in 1.12
How to reproduce
Use the commands
/setblock ~1 ~3 ~1 stone /setblock ~2 ~3 ~2 stone /fill ~2 ~3 ~1 ~2 ~ ~1 vine south=true,west=true /setblock ~1 ~3 ~1 air
Changed Description:
The bug
Free hanging corner vines are not correctly updated when the the block the vines above are supported by is removed.
See also Bug Of The Week 1: Vines in 1.12
How to reproduce
Use these commands
/setblock ~1 ~3 ~1 stone /setblock ~2 ~3 ~2 stone /fill ~2 ~3 ~1 ~2 ~ ~1 vine south=true,west=true /setblock ~1 ~3 ~1 air
Added Labels: block-update
Added Affects Versions: 1.12.1
Added Attachments:

Breaking the block manually(without the last command) also doesnt update it
Can confirm for MC 1.12.1.
Issue has been fixed in 1.13.1, see MC-119476.mp4
.