only notify when the lobby settings differ from the default
announce map changes
announce kicks and bans
make the change notifications more natural
notify about difficulty level changes
disable music installation during a game

closes #6058
don't display idle overlays during actor transformations

fixes #6018
enum SubCell => int & Dictionary<SubCell, WVec> => WVec[]
Moved MobileInfo.SubCellOffsets to Map (dropping static) & added Map.SubCellsDefaultIndex
Load subcells and default subcell index from mod.yaml
Remove sub-cell offset bounds checking
reverted mod.yaml in cnc, d2k, & ra
Merge pull request #6100 from atlimit8/Implement6086

Closes #6086
Fix observer widgets not showing up when a player loses

Fixes #6172.
Log reason why a Lua script fails to parse
Add an ingame message if a Lua FatalError call occurs
Merge pull request #6188 from cjshmyr/luaparse

Log reason why a Lua script fails to parse
Fix breakage of --upgrade-map in OpenRA.Utility

Closes #6045
Fix Apache's guns being blocked by walls in TD.

Closes #6192.
Merge pull request #6194 from obrakmann/fix6192

Fix Apache's guns being blocked by walls in TD.