Mac OS X software compatibility checker?
Is there a site, app or service that will check installed software for known mutual compatibility issues? One could enter all installed software, including the Mac OS version (10.13.2), and this thing would cross-check all of it against incompatibilities or other subtler issues. Since installing High Sierra and some other software (e.g., Disconnect Desktop and new Epson printer), my iMac (21.5-inch, Late 2013) has been very sluggish and I'm not wanting to start over from scratch, if possible.
iMac, macOS High Sierra (10.13.2)