## Changes Introduced in V9.1.0

The following describes the most significant changes which occurred in the AST library between versions V9.0.2 and V9.1.0.

1. The AST source directory has been reorganised to put most of the AST source files into a subdirectory named “src”.

2. A bug has been fixed in the TimeFrameTimeFrame class that caused the time returned by astCurrentTimeastCurrentTime to be wrong by 37 seconds.

3. The RegionRegion class has a new convenience method (astPointInRegionastPointInRegion) to test a if a single point is inside a Region.