PlatformIO (and where has it gone)?

There appears to be a ‘PlatformIO’ section in the old github ‘Lights’ area (, but this has disappeared in the new ‘Lighta’ area (

Is support for PlatformIO as an IDE/dev environment being discontinued (just as it is brimming one of the most popular IDE’s out there), and/or is the PlatformIO section of the old github up to date?