FL Studio has an almost perfect MIDI import functionality, but it's pretty hidden, and you won't find it in the documentation:
1. Drop a .mid file on the FL Studio background,
2. say "no" to the save prompt,
3. uncheck the "start new project" option, and accept.
4. Presto: you have a new channel rack entry for your import, and a pattern that has all the MIDI data. No format conversion that makes it necessary to import notes and automation separately, no MIDI Out routing: it just works as expected, and it's fantastic!
But, it could be made even better if this was the behaviour you got when you drag a .mid file over the channel rack (currently the same behaviour as "file"→"import"→"MIDI", which does a format conversion and splits notes and automation to separate channels, even if they're all on the same channel) or the playlist (currently does nothing), in a way that aligns it with Cubase, Reaper, Studio One, and even Ableton: drag .mid file onto the playlist, don't offer any prompts ("import everything, into the current project"), and if it's done to the channel rack, don't place a new pattern yet, but if it's done to the playlist, also place the associated pattern where the user's cursor was.
The functionality's already in place, so it would be super helpful to both new and existing users if this was made to work for the places where folks will intuitively drop MIDI data, with it becoming the official, documented "easy import" solution (with the current documentation being made the "advanced" import explanation).
Improved drag-and-drop handling for .mid files
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