Some of these are no-brainers, such as the typography issues. Any UX Designer worth their salt will know that 16px is a relatively safe minimum font size, but bigger is better, and as we age our ability to see low contrast decreases.
However, in this age of rapidly A/B testing UI changes based on data, there might be something to be said to have a way for users to revert back to the 'old' layout for ease of use, or at least have a walkthrough of some kind when interface elements change.
Some of these are no-brainers, such as the typography issues. Any UX Designer worth their salt will know that 16px is a relatively safe minimum font size, but bigger is better, and as we age our ability to see low contrast decreases.
However, in this age of rapidly A/B testing UI changes based on data, there might be something to be said to have a way for users to revert back to the 'old' layout for ease of use, or at least have a walkthrough of some kind when interface elements change.