Is there any changelog available for the weekly updates that Odoo gives? After an incident today, we definitely need that.

There was a weekly update today and with that update, they changed what is 'rate' and 'inverse_rate' on the res.currency model, those basically switched roles. One of our custom modules was using the 'rate' field to get the rate but today the client noticed that it is actually calculating using an inverse rate. I went to troubleshoot and it was really baffling to me because it was working well before and we haven't had any changes to that system in a while. After further investigation, I found that it is fine in the revision from last week, but today's revision is what switched the role of those two fields.

It is absolutely not ideal to have this kind of change without having a warning of some kind. I am wondering how many people are using that field and how long until they notice that it is not giving them what they are expecting.