Can we get checkboxes to select commits when reviewing changes?

[nvaytet]

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When reviewing changes, we sometimes want to view the diff from only a subset of the commits in the PR.
This is possible via the Changes from: all commits dropdown menu.

While is it easy enough to select a single commit, I find the interface for selecting multiple commits very user-unfriendly.

1. You have to first hold shift before you click, you can't start holding shift after you click because that first click will just take you to the changes from the first commit you clicked.
2. If you want to select changes from e.g. 10 commits (a number which spans more than the displayed range in the dropdown menu), it now gets even more difficult. You cannot scroll (at least not on ubuntu) with the mouse wheel, you have to click on the vertical scollbar while still holding shift, to get to the last commit you want.

A suggestion for change: checkboxes.
Each commit in the dropdown menu could have an associated checkbox, all boxes are checked by default.
Selecting multiple commits could be done by clicking the checkboxes.
Selecting a range could be done by clicking the checkbox of the first commit, scrolling down, only then hold shift and click the checkbox of the last commit in the desired range, just like in all filesystem browsers.
You would probably need a small additional button that says "view selected" or something, but the small loss of screen space would be well worth it.