📝 Enable showing news categories in towncrier log

[webknjaz]

Summary of changes

This change adds news categories into the rendered changelog entries
so that it's visible what types of changes a new version brings.

Fixes #2394

Pull Request Checklist

• Changes have tests
• News fragment added in changelog.d. See documentation for details

[jaraco]

Thanks Sviatoslav for doing this.

As a side note, I'm a little sad that the changelog is committed as a static format and thus this change will apply for new changes going forward. It would be so much better if we had a structured form of the changelog that could be re-rendered with our without the categories (or other rendering features). Regardless, that's a larger concern to potentially address separately.

[webknjaz]

Yeah. I know that some other tools (like reno) keep the fragments in the tree, while others (towncrier/scriv) remove them.
Let me see if I can reconstruct the log from the Git history.

[webknjaz]

As somebody said, an engineer is a person who will spend a day failing to automate a task that would take an hour to complete manually. That's me today :)

I've managed to reconstruct the changelog with some precision but it needs post-processing and cross-referencing. So I'll attach the script and the output here for now.

changelog-reconstruction.tar.gz

[hugovk]

I have a well-deserved reputation for being something of a gadget freak, and am rarely happier than when spending an entire day programming my computer to perform automatically a task that would otherwise take me a good ten seconds to do by hand.

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