using 8/10 build of apprunner 1) launch apprunner 2) launch editor 3) select a word in a sentence and make it bold 4) now select the entire sentence containing that word and make that bold.(make sure the first word you made bold is in the middle of the sentence) 5) click Bold button 6) now un-bold it by clicking on Bold button again. you'll notice the selection got abrdiged by a few words on the right side of the sentence. all platforms.

fixed, should be in 8/19 morning build

verified in 8/19 build.