I disagree. At a certain moment you start to rely on behavior, knowingly or unknowingly.
These kind of changes might surface bugs that you never had.
These kind of changes might surface bugs that you never had.
For so great changes, it is really not acceptable to use the same part number, especially when the part numbers have been in widespread use for many decades, so most users who are familiar to them will not bother to check again their latest specifications, where they could notice that they are no longer what they knew.