1.5.5 (2011-08-09)

• tf fix to allow safe transform lookups across multiple threads with optimizations.

1.5.4 (2011-07-13)

• Port to Eigen3

• Fix in tf time initialization

• tf: added ros/console.h include

1.5.2 (2011-07-12)

• Merge in optimization from tf2 into tf

1.5.1 (2011-07-06)

• Split off bullet into separate stack

1.5.0 (2011-06-09)

• Branch from 1.4.2 release