GNU Radio release 220.127.116.11 is available for download:
GNU Radio Live SDR Environment:
Release 18.104.22.168 is a maintenance release that quickly followed 3.7.7, and so both are being rolled up into this announcement.
Release notes for the significant changes between 22.214.171.124 and 3.7.7 are here:
...while the bug fixes for its first maintenance release are here:
Information about the GNU Radio Live SDR Environment is here: