NOTE: May have been RESOLVED in the 1.8.1 Hotfix 

Summary Description:

Intermittent Bug activated sometimes by:

(1) Non-text typing on sign

(2) Unknown things

Non-text typing to signs in a world on a Bedrock Realm activates a BUG that causes blanking of the final placed sign after playing in the realm for a few (5) minutes on multiple different computers.

Plain Text typing (no spaces or commas) seems to deactivate the BUG

11/21/2018: 11:28 AM PST

Now Signs Don't Work  AT ALL  in my world on my REALM on several different computers.  They work fine in this world when downloaded to the same WIN 10 Bedrock computer (same code), And they work fine sometimes for a few minutes after Save and Quit

11/21/2018: 12:05 Noon PST

UPDATE: BUG FIX: Download world from Realm.  Type a sign. Upload world back to Realm. Now signs seem to work.

... 2:38 PM PST

UPDATE: Xbox Bedrock user made two signs in world on REALM,  Win 10 user made 6 signs in REALM, then ONLY BLANK SIGNS can be placed. This is an Intermittent BUG.

..... 2:49 PM PST

UPDATE: BUG FIX: Save and Quit. Reload world in REALM, Signs sometime work again for a while (0-5 minutes).

 ..... 10:31 PM PST

UPDATE: BUG FIX: Don't use commas, spaces, symbols or underlines until this is fixed

 PLAIN TEXT seems to work, spell out numbers, NO SPACES OR COMMAS

Non-text typing seems to activate the BUG

 ... 11:40 PM PST

UPDATE; BUG FIX: You can try lots of plain junk typing (no spaces) to fix the Bug

Lots of plain text junk typing seems to reset buffer (fix bug) so you can have these (stupid) no space or punctuation signs back.