Steps to replicate the issue (include links if applicable):

• On Chinese Wikipedia, make a reply using Reply Tool

What happens?:

After replying, the "reply", "(un)subscribe" buttons are missing. Refreshing the page will bring them back.

What should have happened instead?:

They should be there.

Other information (browser name/version, screenshots, etc.):

Reported on Chinese Wikipedia's village pump: https://zh.wikipedia.org/wiki/Wikipedia:%E4%BA%92%E5%8A%A9%E5%AE%A2%E6%A0%88/%E6%8A%80%E6%9C%AF#%E5%9B%9E%E5%A4%8D%E6%99%82%E7%9A%84%E7%95%B0%E5%B8%B8. It is mentioned that this is replicable on Beta Cluster.