Similar to MC-93631 which was marked as "resolved" - it's not resolved in Java/1.15.2. Torches pop off of piston plates or off of blocks attached to piston plate.
Related issues
Comments
violine1101
MC-182728
Torch pops off sticky piston
Resolved
Duplicate
0
violine1101
migrated
(Unassigned)
Unconfirmed
(Unassigned)
1.15.2
Retrieved
This has been fixed in 20w06a, which is a snapshot for 1.16, which will be released in the future.