Testing QL extensions (thumbnail and preview) that I created base on this video.
https://developer.apple.com/videos/play/wwdc2019/719
use command like
sudo qlmanage -p /path/ELEVATOR.fs -c xxx.xxxxx.xxxxxx.fs -g /path/Preview.appex
or
sudo qlmanage -t /path/ELEVATOR.fs -c xxx.xxxxx.xxxxxx.fs -g /path/Preview.appex
It give me error like this
2021-07-01 13:44:07.991 qlmanage[2278:64986] *** CFMessagePort: bootstrap_register(): failed 1100 (0x44c) 'Permission denied', port = 0xa107, name = 'com.apple.coredrag' See /usr/include/servers/bootstrap_defs.h for the error codes. 2021-07-01 13:44:08.005 qlmanage[2278:64986] *** CFMessagePort: bootstrap_register(): failed 1100 (0x44c) 'Permission denied', port = 0x8617, name = 'com.apple.tsm.portname' See /usr/include/servers/bootstrap_defs.h for the error codes.
not call thumbnail or preview extension