TS 12 SP1 Patch (61297) is now live.

Fixed various bugs in Surveyor which would trigger a Trainz Crash.
Fixed a bug where viewing asset dependencies of multiple assets in CM were showing some duplicate assets
Fixed a bug where splines did not attach to tracks properly if laid in different directions.
Fixed a bug where changing the property (appearance) of water in Surveyor made the water disappear temporarily.
Fixed a bug related to highlighting text in Surveyor's text fields.
Fixed a bug where the ruler move tool didn't select the ruler.
Fixed a bug where ruler delete tool didn't let the user delete the ruler.
Fixed a bug where the driver's list scroll buttons would not hide with F6
Fixed a bug where some of the loco's wheels were not turning.

Note: Patch file size is around 97MB.