User blog comment:KatsCats3K/Was our favorite anime delayed 3 months!?/@comment-1327106-20180523033905

I'm not sure what you mean by a delay. Season 3 starts July this year. The date's listed at the end of the officially released trailer from a few weeks ago. https://www.youtube.com/watch?v=pwie-ybq7vo

Don't panic without checking official sources.