Here you'll find documentation useful for porting older PIKA plug-ins, especially Python ones, to the PIKA 3.0 APIs. Files: - [classes.md:](classes.md) A list of some of the important classes and modules in PIKA 3.0. - [pdb-calls.md:](pdb-calls.md) An incomplete list of old PDB functions and their equivalents, using Python classes. - [removed_functions.md:](removed_functions.md) Functions that have been removed from PIKA, and their replacements.