Show index build percentage in the UI
During an index build from atlas the only status update you see is:
"We are deploying your changes (current action: configuring MongoDB)"
When checking the logs of the replicaset memeber you can actually see the percentage of completion on that member of the replicaset:
2020-11-25T11:15:44.002+0000 I - [conn12] Index Build: 54798100/206784433 26%
It would be nice to have this percentage displayed through the UI.

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Muneeb commented
This significantly improves the user experience, as we no longer need to search through logs or real-time activity to check the status of an index build. Also, the 'Status' column in the Indexes tab currently displays the status of a newly initiated index build as 'Ready', which is misleading.