Are the more frequently updated channels strict supersets of the less frequently updated channels? It’s not clear based on the channel pages.
e.g. are all “dev” builds included in the “nightly” channel? The nightly page doesn’t show the changelogs of dev builds, so I’m guessing not. If so, can they be, and include the change notes as well? As it stands, if you’re using nightly, you have to check the dev and stable pages to get a full set of change notes (and potentially pull dev builds if you really want everything 
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