As we are currently building CDT against the Eclipse Platform latest milestone the CDT Standalone debugger is available now. The complete bundled C/C++ Package (the one that will be posted to https://www.eclipse.org/downloads/) will be ready this Friday/Saturday.
This is our schedule for publishing CDT's contribution to the simultaneous release. See SimRel Plans for further details. (The EPP generally will be available on Friday of the same week):
Today - 2020-03 RC2
Then we are in Quiet week(s) until the release on Wed 18 Mar.