When using probe-rs with defmt We get timing and source info for each print. For example

0.000061 INFO  Hello World!
└─ blinky::____embassy_main_task::{async_fn#0} @ src/bin/blinky.rs:14

For coloring, only the level word (INFO, DEBUG, etc.) is colored. I found it more readable than coloring the whole line.

It would be nice to be able to get the same with espflash.

I think it should not be the default but should be behind a cli flag (-L defmt-verbose for example).