Email tip: Nostalgia is not a question
This is another special case of Don’t forget to ask your question, indeed an even more extreme case of Making some statements and asking for advice isn’t a question.
I remember in version X, we used to be able to accomplish Task Q by clicking on W and then selecting X. Now you have to click on Y and select Z.
Nostalgia is not a question, and it isn’t actionable.
What is your question? Do you want an explanation of why it changed? Are you looking for a way to change it back? Are you just reminiscing? Or maybe you’re congratulating the design team for simplifying the task?