Font Book is dead slow when looking for fonts. I noticed I have some 350+ fonts installed. Most of these I never use at all. My Mac is a 8 GB 1,7 GHz Midt-2014 MacBook Air.
Would it help to throw out a lot of these fonts? (Will macOS even let me do this, since most/all of them actually seem to be installed by macOS and subsequent updates?)
Is there anything else I can do to speed up Font Book? (Is this a performance issue that should be reported to Apple?)
~/Library/Fonts: 0 fonts /Library/Fonts: 227 fonts (three groups of files dated 2012, 2014 and 2016) /Library/Fonts/Microsoft: 160 fonts (all dated 2011) /System/Library/Assets/com_apple_MobileAsset_Font3: 6 fonts (just installed)