When breaking a sign on MCPE realm 0.15.4, the particles vary from dark oak to acacia to oak wood. I can't find a reliable way to reproduce the issue; the bug seems to be related to which chunk a sign is placed in, but I haven't found a pattern.
REALMS-136
Inconsistent particle type when breaking signs
Resolved
Duplicate
0
Thanks for your report! This is however a Duplicate of MCPE-16141 – If you have not, please use the search function in the future, to see if your bug has already been submitted, as currently over 47% of tickets are being closed as duplicate.