I have recently obtained most-'reputable' textbooks in General Psychology, Personality Psychology, Developmental Psychology and Cognitive Science and I have seen:
The ONLY theories represented among those in the "major theories" chapters ARE EXACTLY THE SAME THEORIES AS I SAW IN TEXTS ON THE SAME Subjects and TOPICS IN 1971.
This basically means that NO theory developed in the second half of the history of Psychology is seen as "MAJOR". Is this modesty? I say "no, not modesty", but rather fear of putting forth what they cannot have true confidence in AS A MAJOR CONTRIBUTION TO Psychology -- at least 'they' have that much good sense. To put it in a meaner way: they cannot be reasonably confident that any new theory is either "general" and/or that it may not clearly contain "crap". By the way, for a theory to be "general" does not mean that it has to explain everything, but just that the associated findings APPLY TO much or most everything (as a main aspect(s) ("parts") of behaviors) OR, in other words, are a major part of all that can be considered the science of psychology. THUS NOTE: I don't want you to think there is an easy answer to this extreme mess. (Of course, no theory covers everything, though some may be seen as describing major parts of most everything: I personally do believe in "containing" theories -- where they have aspects applying to most all major behavioral patterns, providing a sort of "outline" of most major behavior patterns and behavior patterning overall -- and it's kind of good to have this outlook if you want a science.)
This situation (of now new Major theories) should most certainly be noted and its meaning and repercussions/ramifications and effects evaluated (I have done detailed evaluations for you in my writings -- thus, that is one place where you can look for the assessment).
Let me put forth Ethogram Theory as a significant (major) and significantly new theory -- a nominee for the Major Theories chapters. See:
https://www.researchgate.net/project/Human-Ethology-and-Development-Ethogram-Theory