I've just spotted that I got the following email too, which leaves me even more confused - was it throttled or not?

perhaps linking the notification to https://www.mediawiki.org/wiki/Extension:AbuseFilter#Emergency_throttling would be helpful? Essentially only actions like "block", "blockautopromote" or "degroup" will be disabled when a filter is throttled, warn and disallow (the most common actions) will still work as usual.

In T387443#10588594, @Johannnes89 wrote:

perhaps linking the notification to https://www.mediawiki.org/wiki/Extension:AbuseFilter#Emergency_throttling would be helpful? Essentially only actions like "block", "blockautopromote" or "degroup" will be disabled when a filter is throttled, warn and disallow (the most common actions) will still work as usual.

Thanks for explaining. I wonder if the better solution would just be to only send this notification if a relevant action has been disabled, or to at least leave out the 'no actions were disabled' part. i.e. just tell me if some actions were disabled, telling me nothing changed is the confusing part, I think.