- [ ] #258 - Really useful for displaying tens of thousands of contours - [x] #262 - [x] #268 - [x] #313 - [x] #299 - [x] #382 - [x] #166 - [x] #126 - [x] #107 - [x] #102 - [x] #101 - [x] Tests - [x] #191 - [x] #108 - [x] #132 Probably not going to happen: - [x] #100 - [x] #116 - Users should just use the low level `feature.add_event_handler()` for anything more complex than what `link()` allows.