What problem does this solve or what need does it fill?

Some targets support ANSI, but the logs are aggregated into a source that doesn't, e.g. DataDog or AWS CloudWatch.

Specifically, I use CloudWatch on AWS, where ANSI is not supported.

Enter, this:

What solution would you like?

Additional field on LogPlugin:

LogPlugin {
    filter,
    level,
    colored: true (default)
}

What alternative(s) have you considered?

Without this, you have to install your own tracing subscriber and things get complicated with lots of cfg directives.