CIAO 2.0.1 Release Notes
CHIPS: To avoid potential problems at CIAO user sites a cleanup function used to remove intermediate /tmp files was replaced with a more conservative mechanism. While to date no issues with the original code have been reported in the extended Chandra science community, we nonetheless strongly recommend upgrading your CIAO installation with this patch TO AVOID UNWANTED ACCIDENTAL FILE REMOVAL.
TGDETECT: Fixed an issue with the parameter interface pquery task in CIAO that caused tgdetect to hang. Replaced the CIAO "pquery" with the SAORD version of "pquery" in the OTS directory.