When using signs, pressing Enter on a Bluetooth keyboard does not advance you to the next line. However, pressing Enter with an on-screen keyboard works just like normal.
Linked issues
duplicates 1
Comments 10
Relates to MCPE-10353
This is a bulk resolve of issues that haven't been updated to 0.16.0+ yet. Please comment below (To open the ticket) and update your affected versions. If you cannot reproduce the bug, please write in the comments so we can resolve it as "Cannot Reproduce". Thank You!
Resolving as a duplicate of MCPE-10353 as it's ultimately the same issue.
I can confirm on two devices:
-Amazon Kindle Fire HDX 8.9 (3rd Generation)
-Android 4.4.3
-Amazon Fire HD 10
-Android 5.1