Hi @Hermit ,
I’m not sure I understand you correctly, so please let me know if I got you wrong.
ad 1) You cannot translate them locally on your system, you need to translate them using weblate, here are the strings in question:
ad 2) There’s a dead-line for when translations need to be done in Weblate to make it into the next release, not sure exactly about the deadline, but I think you can find lots of information in the handbook:
ad 3) I do not understand this question, sorry - can you try to rephrase it?