I can confirm the figma spec is respected. Following the steps from comment 4 I verified using Fx 89.0a1(2021-05-05) and Fx 89.0b8 on Windows 10 x64, macOS 10.13.6 and Ubuntu 20.04 LTS.
Bug 1708799 Comment 8 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
I can confirm the figma spec is respected. Following the steps from comment 4 I verified using Fx 90.0a1(2021-05-05) and Fx 89.0b8 on Windows 10 x64, macOS 10.13.6 and Ubuntu 20.04 LTS.