Old: Material thickness stable
New: Much thinner
Acceptable
Old: upper / lower sections connected with 90-degree rotation.
New: 2 full turns required.
Extremely lässtig
Old: switch with almost no overhang.
New: jutting out.
Matter of taste
Old: Filter boss unsprung.
New: spring for pushing the filter bowl.
Practically during removal; Impractical when cleaning
Conclusion:
Were it not for this Schrauborgie during assembly of upper and lower part, one could accept the other 'improvements'.
But if not really recommended.