Joel Ostblom

I implemented a config option for this in https://github.com/jazzband/Watson/pull/436 a while back. I don't use watson currently, but I ran that for a few years and it worked well

I don't believe it is possible currently. Those parameters only accept a string, not a reference to a column. This functionality would need to be added on the VegaLite level...

Thanks for the suggestion! This type of change would need to happen in the underlying Vega-Lite library before it can be available in Altair so I have moved your issue...

A few thoughts here: 1. I would be in favor of replacing the existing occurrences of `alt.condition` in the User Guide with `alt.when().then()` and mention in a callout box that...

(sorry this became longer than intended) 2\. I generally prefer to include examples in the User Guide if there is a suitable location for them. I think this is one...

> I've seen [diataxis](https://diataxis.fr/) mentioned in altair before (https://github.com/vega/altair/issues/3117), which might be helpful in achieving consistency Good reminder! I also think this could be helpful in the larger picture, but...

While I think there is some convenience with having the Altair and Vega-Lite versions match up, I agree that the advantages of sticking to semantic versioning and releasing breaking changes...

> The need to convert from a format python understands, to one which javascript [expects](https://github.com/vega/altair/issues/1027#issuecomment-408481253); really seems like a detail that altair should be handling. I totally agree, thanks for...

I have reviewed and hereby sign the CLA

Sounds good, I mean to come back to this at some point, but there is just too much at work right now.