Task Manager in Brave show 0 B for all processes in Memory footprint

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When opening Task Manager in Brave Browser, all rows in the Memory footprint column are showing ‘0 B’.

How can this issue be reproduced?

1. Start Brave Browser
2. Menu - More Tools - Task Manager

Expected result:
Actual memory footprint of tabs will be shown in Brave Task Manager,

Brave Version( check About Brave):
Version 1.4.96 Chromium: 80.0.3987.132 (Official Build) (64-bit)

Additional Information:
macOS Mojave 10.14.6

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Issue is still prevalent for me on latest Brave version:
Version 1.5.115 Chromium: 80.0.3987.149 (Official Build) (64-bit)