See https://phabricator.wikimedia.org/T85984
The user_daily_contribs table (and associated API) is sometimes used for * JavaScript (e.g. CentralNotice) targeting users based on activity in a certain timeframe, * simplification of SQL queries (e.g. [1]), * other?
If you use this data/feature or plan to use it, or if you replaced it with something else, your comment on the task is particularly welcome to assess whether to keep it.
Nemo
[1] https://phabricator.wikimedia.org/diffusion/TLST/browse/master/scripts/users...