Jon Duckworth

> Would be nice to have an easy way to to fetch an Asset that includes the alternate asset URL in place of the normal URL. > > for example,...

> Here's an updated example: https://landsatlook.usgs.gov/stac-server/collections/landsat-c2l2-sr/items/LC09_L2SR_081116_20220215_20220217_02_T2_SR Thanks, I'll use that for testing and fleshing out the implementation. > This is related to the last question...see the example above. The alternate...

This implementation is going to be a bit different from our typical extension implementations, so I want to give some time for feedback. I'm moving this into the next minor...

@matthewhanson I don't think I'm going to be able to implement this for the 1.5 release. If you (or someone else) has availability to work on this that would be...

I'm +1 for this change. I use poetry for other projects and really like it. I'm also in favor of starting to consolidate around a `pyproject.toml` file, which poetry uses.

> Since the extensions are going to version, doesn't pystac need to be able to support different extension versions if it is going to provide schema validation? I understand the...

@volaya @lossyrob Apologies for not thinking through this more during the PR review, but I think I'm in agreement that we should use a fields.json file that is included with...

> I thought we were pointing to an immutable release of the file? If not, I think we should ask the project to publish releases and point to a specific...

> * It incurs a runtime cost of fetching 24089 bytes across a network. For some folks this might be an issue. @m-mohr @schwehr My suggestion of minifying the JSON...

@TomAugspurger Would be great to get your feedback as well.