Garmin Connect: How the hell do I filter activities by course??

There used to be an option to do this, but in the latest update it's gone, and I can't figure out how to do it now! Why do companies insist in removing useful features from their products all of the time, and they usually claim that they're "improvements". :roll:
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You can still do it on the old version if you use this link: https://connect.garmin.com/minactivities
But it may disappear in the future...
Thanks.
Is there a 3rd party app or website I could use to read the data?
And, apparently, Garmin are not interested in the slightest about corresponding with their customers about this, which really shows what they think of them.
This old link doesn't work, indeed. And that is a real problem. When I got in touch with the french support, they explained me "Garmin Connect is US support's business, not ours ; see with them" !
So I sent an email to them a few days ago and explained them that there are many filters to choose from, when you click on "Advanced" as Distance, Time, Elevation, Date range and Event type but... not "Course". It's now impossible to compare past performances of a same course. And because the old link (https://connect.garmin.com/minactivities) is now out of order, the reinstatement of filtering by course is necessary : they just have to add a new field.
I think that Garmin's users should send them a message in this way. If a lot of people do that, maybe it will be effective !
Sincerely