Can’t seem to load threads on the official mobile client. Others report issues as well: https://downdetector.com/status/twitter/
Would be ironic if it was cache related in light of this post yesterday: https://news.ycombinator.com/item?id=30295542
Would be ironic if it was cache related in light of this post yesterday: https://news.ycombinator.com/item?id=30295542