Differences of versions, other than brief forms (word signs)

Can anyone tell me if there are differences between the versions (Anniv; Simplified; DJS, S90, Centennial) other than the number and spelling of brief forms?

Someone mentioned that pre-Anniv and Anniv had principles for making your own short forms; are their different ways of joining letters, or any other items that are different in the versions? 
Thanks.  I have found all discussions very interesting!

(by sidhetaba for everyone)

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