https://developers.strava.com/docs/changelog/ added:
Oct 18, 2022
Deprecate page and per_page params on the activity comments endpoint. Please start using page_size and after_cursor instead to request paginated results. Responses provided using the new query params include an additive, backwards compatible change, populating the cursor field on each comment.
see Readme for this project: https://github.com/dblock/strava-ruby-client#list-activity-comments