issue #518 - KBand receivers cryo temperature read wrongly with connection problems. More information: https://github.com/discos/discos/issues/518#issuecomment-590838480
issue #533 - New Fitszilla version 1.21 online. The user offsets related keywords added to the primary header.
issue #556 - Added API to send emails to local system administrators. This feature is now exploted when a servo system oscillation is detected at Noto and Medicina
issue #595 - Added ifdist command to use IF Distributor (for Nt telescope) from operator input.
## Fixed
issue #518 - In case of communication error we set a dummy value (100000) for the temperature properties, and the related timestamp keeps the value of the last communication timestamp.
issue #525 - When in LOCAL mode the receivers can turn on/off the noise mark and LNAs. There is no more MNG_FAILURE logging in case of LOCAL mode: only the LOCAL/REMOTE status (during component activation) and the change of status (LOCAL to REMOTE and viceversa) are written to the logfile.
## Changed
issue #545 - Oscillation checks enabled for Mc and Nt telescopes, this setting is now under control of a CDB argument
## [next release]
## Added
issue #653 - added a couple of scriptsto ease vnc conection from remote a file copying. The scripts support
linux and macos
## Fixed
issue #448 - Added Sky Offsets to calibration tool client
issue #585 - Fixed misshandled schedule with NULL as backend (Dry Run)
## Changed
issues #481, #484, #486, #487, #491, #493, #497. SRT Active Surface module has been improved in order to speed up its booting time and optimize its overall behavior
issue #604 - The control software will not allow anymore that a schedule, belonging to another project, could be run. In that case a warning message is sent to user console