Version 11.5.2

• Improve accuracy of calendar data read from certain Powerproject schedules.
• Improve handling of unusual XER files with calendar time ranges expressed in 12-hour format.
• Correctly parse midnight represented as 24:00:00 from MSPDI files written by certain non-Microsoft Project applications.
• For MSPDI files produced by applications other than Microsoft Project which have an incorrectly nested calendar hierarchy, avoid pruning derived calendars which are referenced elsewhere in the hierarchy.