*:: Warnings printed to stderr if GSI used by tools.
 *:: Warnings printed in logs if GSI used by daemons.
 *: October 2021: HTCondor 9.1.x default build has GCT removed (i.e. binaries distributed will not include GCT).
+*:: GSI authentication between HTCondor daemons and tools will no longer work.
+*:: Submission to the ARC CE gridftp interface (grid universe type 'nordugrid') will no longer work.
 *: Mar 2022: HTCondor 9.2 is released with GCT removed.
 *: Sep 2022: Support for HTCondor 9.0.x release series ends. No supported HTCondor code relies on GCT.