Will there be an announcement when this is fixed?
Please ask FPCUpDeLuxe developers. Lazarus build system should be OK now after the lpl file was added.
This error looks suspicious: "User defined: only cpu i386 is supported".
BTW, if you only want to latest Lazarus, you don't need FPCUpDeLuxe. Just get Lazarus trunk sources (svn co ...) and run "make".