They never have been solved, the latency is high in the evenings and weekends for last weeks on EU Data Center because of bad peering.
Using VPN might solve that for now.

Please provide Feedback with trace route to SE Support, not here in the forums!

See infos here:
https://na.finalfantasyxiv.com/lodes...a451d5a8daa66f

Using the support form at the bottom of the page:
https://support.eu.square-enix.com/c...383&la=2&fty=2