Andy Babic

@gasman I'm pretty sure this is what's happening... 1. `generate_rendition_file()` is silently failing whilst being run by the threadpool 2. Because of 1, the `to_create` list is empty 3. Because...

While I don't think we should be going to any lengths to support unstable builds, this issue did highlight that the code wasn't very easy to follow in it's current...

@gasman I have renamed/reopened this as, following a discussion on Slack, I feel it makes sense to have a ticket here to discuss (if anything) what we can do to...

I feel it would be best to promote custom edit handler classes as the place to handle this sort of customisation, as that will work more reliably in different places....

In addition to the above, I think it might also be nice to bring in some additional flexibility to the `get_edit_handler()` method on `Page`, by allowing it to accept **optional**...

> I'd like to question whether passing the request object is the right choice - it seems to me that the primary (only?) motivation for sharing the get_queryset method between...

Thanks @andrewgodwin. I was previously relying on the CI to see test results, but I'll get things setup here properly and ensure tests are all ship-shape before requesting a review.

@Stormheg just to clarify, the introduction of the picture tag doesn't necessarily mean that more images are being generated now than ever. Developers previously had their own ways of achieving...

Sorry, but I feel the suggested solution here doesn't make a lot of sense. When you think of the effort required for the server to respond to X number of...

@robmoorman @Stormheg > I think the overhead per request/image is worth it in order to do not block the flow of a content editor. I'm not in disagreement with improving...