F12 support for "sections" sourcemap v3

Hello,

Does F12 support sourcemap v3 "sections" to enable children .js.map debugging ?

If no, is it a new feature planned to be added soon ?

https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#

Thanks in advance for your answer.