Replying to a long threaded ticket crashes my browser

Replying to a long threaded ticket crashes my browser

We have been facing slowness in Zoho Desk for the last few weeks in our company.

Whenever we reply to a ticket, it takes a very long time to open. Depending on the ticket thread size, sometimes it would become unresponsive and crash the browser. We are running Firefox, Chrome and Edge.

We tested this on different networks with different Internet speed. All of our networks experience the same issue. So this is not an Internet speed issue.

Is Zoho Desk doing maintenance to their servers? When should we expect Zoho Desk to resume proper operations?