It's not standard, true, but it's also not an experimental feature, so one still wouldn't expect them to do wacky things like overwrite tags. I think many peopl

It's not standard, true, but it's also not an experimental feature, so one still wouldn't expect them to do wacky things like overwrite tags. I think many people expect version tagged code to not change, unless the developers specifically say they are nightly/experimental (there is a comment to that effect on the issue link).