Nightly download links for Mac OS X are all broken (PulseView, sigrok-cli both). It seems to return a mostly empty html file renamed as .dmg file (only 22KB). Please fix this.
Example url - https://sigrok.org/download/binary/pulseview/PulseView-NIGHTLY.dmg
Related: #1828 #1829
Known issue and already reported as 1829.
Experimental new CI builds can be gotten from https://github.com/knarfS/sigrok-build/releases/tag/continuous
*** This bug has been marked as a duplicate of bug 1829 ***