- The algorithm is updated to FSRS-5.

- Forgetting curve is added into card info.

- Load balancing: within your fuzz range, Anki will now try to pick days that have fewer reviews waiting.

- Easy days: you can now tell Anki to try avoid certain days of the week.

- Simulator: you can get an estimate of your workload, either in reviews per day or in minutes of studying per day.