> Nothing new there though, it's caching 101, but I'm wondering if it
> makes sense to accommodate for this in the ActionController helpers
> (fresh?/stale?/fresh_when, by either setting another etag/modified if
> the flash hash is non-empty or always including the flash hash's
> checksum as part of the etag. What's the general opinion here, is this
> something that should be left up to the developer or should rails
> handle this?

I don't think it's something we should bake in. There are many other
session or environment variables that could control the view as well.
If you're doing conditional get on a page, you need to make sure that
all the variables that controls the look of that page is included in
the cache key. Whether it's a record, a flash message, another session
variable, or whatever.
--
DHH
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