DEPRECATION WARNING: Sprockets method `register_engine` is deprecated.
Please register a mime type using `register_mime_type` then
use `register_compressor` or `register_transformer`.
This problem is really a less-rails error, and is documented in this
issue of that repo:
Bumping our less-rails dependency to 3.0.0 will give us the updates in
that PR.
Version 3.0.0 is the next version after 2.8.0, so there are very few
other changes to worry about. You can view all of the less-rails code
changes between 2.8.0 and 3.0.0 here:
The warning is:
This problem is really a less-rails error, and is documented in this issue of that repo:
https://github.com/metaskills/less-rails/issues/122
It was fixed with this PR, merged Oct 2017:
https://github.com/metaskills/less-rails/pull/137
Bumping our less-rails dependency to 3.0.0 will give us the updates in that PR.
Version 3.0.0 is the next version after 2.8.0, so there are very few other changes to worry about. You can view all of the less-rails code changes between 2.8.0 and 3.0.0 here:
https://github.com/metaskills/less-rails/compare/05186eb...7bb14e5
They are almost all test and/or README changes. So this update should be low risk.