[Updated to New Build, Game Not Launching]

Same here, sent report to ArenaNet from Gw2-64.exe window.

[can't access wiki, certificate expired today [Merged]]

Just letting the Anet team know the Wiki site's SSL certificate expired today:
https://wiki.guildwars2.com

Users are getting privacy errors on Chrome browsers.

[Map completion stats in API (for alts, all maps)]

Agree that this would be a great addition to the API. Could start with Total % complete (would be nice to have on character select as well). Then per map % complete.

[Sunken Chest Bug [MERGED]]

Zero of 10 on 3rd completion. Every chest I've gone to is already open.