As always nice to see that it gets better.With this version 2.0 RC1 I see that it connects to internet to packages.lazarus-ide.org GET /packagelist.jsonWhy is it connection made at start?In Online Package Manager I have set "Check for package updates: Never" but that doesn't matter.
Can you check in the color page, if colors are assigned?Maybe it is a problem with imported colors, since those schemes pre-date the feature, and do not have colors included.
Lazarus 32bit:Destination Win64 x86_64 is NOT possible:seems the complete 64bit .PPUs are missing inlazarus-2.0RC1-fpc-3.0.4-cross-x86_64-win64-win32