Are those old translation files http translate wordpress…

Are those old translation files?

Please refer to:

#bbpress, #old

1. What does OLD status mean at GlotPres…

1. What does OLD status mean at GlotPressGlotPress GlotPress is the translation management software that powers More information is available at ? should I translate old stringsString A string is a translatable part of the software. A translation consists of a multitude of localized strings. ?

2. is it OK if some translated strings still has warnings ?