The addin doesn't quote correctly files that have spaces in their path when calling lupdate (and likely for other tools as well).
This results in errors like
— lupdate error: File 'dev/path' does not exist.
for a path "dev\path with spaces\sources\"
|For Gerrit Dashboard: QTVSADDINBUG-398|
|168314,3||Fix failing calls to lupdate and lrelease with spaces in path||2.0||qt-labs/vstools||Status: MERGED||+2||0|