doc: add history section to `fetch`-related globals
Currently the docs shows:
fetch# Added in: v17.5.0, v16.15.0
That's a bit misleading, as it was behind a flag on those release lines.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Currently the docs shows:
fetch# Added in: v17.5.0, v16.15.0
That's a bit misleading, as it was behind a flag on those release lines.