I tried loading the plugin at github.com/ajpalkovic/SublimePl … ghlight.py into ST3 3021. The plugin did not say if it would work with ST3 and I found that it does not. ST3 hangs when trying to load it. I had to do a “force quit” on my Mac to kill it. I ran ST3 again and it immediately hanged again, and I killed it again. I removed the plugin and then ST3 ran normally.
After some time I noticed my laptop was getting very warm, and I was only editing text. I looked at the running processes and saw there were three instances of “plugin_host” running, two of them using 90+% CPU. I exited ST3. Those two “plugin_hosts” were still there, so I manually killed them.