Reset window for search rate limits has changed from 15 minutes to 1 hr?



When I check:

I’m now being told that my reset time is 1 hr in the future and not 15 mins. My only call is to:

and I can see my script is running fine throttling every 5 seconds. API docs state that search has 180 calls per 15/min window - I have been getting my 180 calls but a 1hr window?

Anyone seen this change recently?