The Realm my friends and I have been playing on has crashed repeatedly, especially in the earlier days of the realm. (We had just started this realm at the commencement of the lockdown around 1 week ago). It had crashed around 3 times and about 30 minutes of progress was lost each time after the realm timed out for about 5 minutes. Although this was frustrating, the server members did not mind too much. A report was sent to Minecraft support, which replied with a standard, "Please Open a bug report." However, as the incident had not occurred since the making of this report, we opted to leave the issue be.

However, what made this realm unplayable was what occurred today.

Just 20 minutes ago, the realm had just crashed and caused FOUR DAYS worth of progress to be lost. Furthermore, the automatic backups, have been deleted till that point. There has been a lot of frustration stemming from this issue, and members have opted to stop playing until there can be reasonable assurance that this issue will not prevail. For some context, I had taken a screenshot of the 'world backup' section of the realm configuration settings. 

We have had decent experiences in the past with Minecraft realms as an easy way to host an SMP server, albeit being laggy. However, the occurrence of these incidents within the span of a week has forced me to cancel my subscription to this service. 

We all hope that this matter can be looked into and resolved promptly, especially since this is a game-breaking issue that affects customers who are paying for this service on an ongoing basis. Thank you for considering this bug report.