the following words copied from USCIS Interoffice Meomorandum. when EB3 retrogression happened in Dec 2004(Jan 2005). so it would be similar for the status now.....(I only have PDF file, downloaded from some immigration website last year, but I am sure if you search, you can find it).
"Pipeline" cases refers to those Form I-485s Physically received on or before Cut off date, in hte appropriate service office but subsequently affectd by a regression.
Pipeline cases will be held in abeyance until such time as a visa number becomes available. Pipeline cases will be considered to be pending during this period, and applicants will be eligible to apply for interim benefits such as EAD and AP.