What version are you running?
3.0RC1
What's the URL of the page containing the problem?
https://reviews.reviewboard.org/r/480/diff/3/?page=1

https://reviews.reviewboard.org/r/480/diff/3/?page=2
What steps will reproduce the problem?

Open review https://reviews.reviewboard.org/r/480/diff/3/?page=1
Click below file list to switch to second page https://reviews.reviewboard.org/r/480/diff/3/?page=2


What is the expected output? What do you see instead?
File list from second page should appear together with file chenges

File list stays the same, changed files below list are changed.
What operating system are you using? What browser?
Arch Linux, Vivaldi 1.11.917.43, Firefox 55.03
Please provide any additional information below.
No error code in terminal :/