Questions to answer:
1. ~~Which filters are used and how frequently?~~
- T223206#5180047
# ~~What combinations of filters are popular?~~
- T223206#5210443
# How frequently are people filtering for namespace vs tag vs other?
# ~~How frequently do users click through to other review tools?~~
# ~~How frequently do users click through to help?~~
# How frequently do users click through to non-mainspace pages?
# ~~How frequently is live updates enabled?~~
- T223206#5179893
# How many users have disabled javascript support?
- Controlled by the `rcenhancedfilters-disable` user preference
# How frequently to users change the `limit` and `days` parameters?
# ~~How frequently are users interaction with the highlight colour feature?~~
- T223206#5208658
# How many users have enabled enhanced RC?
- Controlled by the `usenewrc` user preference
# How frequently do users us the "group" option either as a filter or as a user preference?