If disabling cross-site tracking doesn't resolve these issues, please try one of the other supported browsers. Until then, you may avoid errors with files, images, and alerts by disabling cross-site tracking prevention in Safari when using Canvas. Canvas engineers are currently working on a solution for this issue. Note: Safari 13.1 and later versions contain an update that may cause issues with downloading files, displaying images, and playing chat alerts in Canvas. Your browser will notify you if there is a new version available.
You should always use the most current version of your preferred browser.