The first and only reliable Sony rumor worth reporting here is coming from Nokishita - Sony has registered a new WX700 compact camera online that will probably be the replacement for the current WX500 model:
Sony has scheduled a new product announcement at the IBC 2018 show (September 14th) and a press conference at Photokina (September 25th) but nobody has a clue what will be announced (if anything at all).