Are those old translation files http translate wordpress…

Are those old translation files?
https://translate.wordpress.org/projects/bbpress/plugin

Please refer to:
https://bbpress.trac.wordpress.org/ticket/2047

#bbpress, #old

1. What does OLD status mean at GlotPres…

1. What does OLD status mean at GlotPress ? should I translate old strings ?

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

Thanks

#old