When in the Nether, concrete powder does not fall, just stands unaffected by gravity.
MCPE-103386
Concrete powder doesn't fall in the Nether
Resolved
Cannot Reproduce
0
I am not able to reproduce this. If you are sure it is an issue and not due to an add-on, please create a new ticket with after reviewing the Bug Tracker Guidelines and be sure to search for existing issues before writing a new bug report.