Comping and chord soloing over minor ii V i chord progressions can be a tough hurdle to get over when learning jazz guitar.
Different triads you can use in order to outline maj7, 6, maj9 and maj7#11 chords, without having to learn anything beyond the basic triad shapes that you already know.
Learn the different inversions of 4th chords on the middle four strings, and work on learning the chord scales associated with these chords.
One of the most commonly used but tricky scales in jazz guitar is the half-whole diminished scale. Learn how to master it here.
Learn arpeggios up to the 13th for each of the four “basic” chords and how to apply this concept to major and minor key progressions.
Learn how you can use harmonic arpeggios to build interesting lines when using a 7b9 diminished scale in your soloing ideas.
An exercise that uses all the inversions of any chords you're learning, while playing them in a common chord progression at the same time.
There are some easy-to-play and effective shapes you can learn in order to quickly outline any tune or progression.