This is the 3386th most frequent Polish word.
wydaniu
"Edition," "release," or "version," depending on context.
Here, 'wydaniu' refers to the issue or edition of a publication, such as a newspaper.
W najnowszym wydaniu gazety są ciekawe artykuły.
In the latest issue of the newspaper, there are interesting articles.
In this context, 'wydaniu' is used to denote the act of releasing or issuing something, specifically the timetable.
Wydaniu nowego rozkładu jazdy towarzyszyła konferencja prasowa.
The release of the new timetable was accompanied by a press conference.
Here, 'wydaniu' denotes a scheduled or upcoming version or edition of a publication.