http://forum.paradoxplaza.com/forum/showthread.php?686367-Patch-notes-1.2.1&s=2c0f91079d612f898a751637bb398fc9
New features:
New feature: Scenario editor
New feature: Ruleset editor
New feature: Support for sharing files in Steam Workshop (Steam Workshop available next week)
Fixed bugs:
Fixed bug: Passenger circling around a stop forever
Fixed bug: Citizens do weird interchanges in specific locations (With old saves reactivate the lines to get it fixed)
Fixed bug: Tram jammed at intersection
Fixed bug: Blue ticket price color is too close to background color
Fixed bug: Kicked player can write chat messages to other players
Fixed bug: Too long chat message causes problems
Fixed bug: Wrong camera angle when starting map editor if previously used editor camera mode
Fixed bug: Rear lights don't work in trolleybus "Pavlov Krushova"
Fixed bug: Error message about division by zero when map contains exactly 2 km long road segments
Fixed bug: Company logo has wrong colors on MAC
Fixed bug: Screen stays white at startup if there is no network connection but steam is not in offline mode
Improvements:
Improvement: Timetable precision changed from 15 minutes to 5 minutes
Improvement: Number edit controls get faster when holding up/down button long
Improvement: Show icon in tooltip when using bulldozer
Improvement: Travel time estimate adjusted
Improvement: Route time estimate more accurate
Improvement: Line deletion with bulldozer has confirmation
