Lots of errors after upgrading dartsass-sprockets to v3.1.0

dartsass-sprockets を v3.1.0 にアップグレードした後の Rails 7.1 の失敗を再現し、その後 bootstrap-5.3.3/assets/stylesheets/_bootstrap.scss と、そこで報告されている @import の警告を調査する。Dart Sass 3.0 に対してプロジェクトが意図している互換性の方針を特定する。完了とは、報告された Sass の非推奨警告によって Bootstrap gem がこのアップグレードを妨げなくなることを意味する。

After performing a bundle update on my Rails 7.1 project, the site is broken because the bootstrap gem uses @import heavily which is now deprecated. For example:

Deprecation Warning on line 1, column 9 of ../../../../bootstrap-5.3.3/assets/stylesheets/_bootstrap.scss: 
Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0.

More info and automated migrator: https://sass-lang.com/d/import
  ╷
1 │ @import "bootstrap/mixins/banner";
  │         ^^^^^^^^^^^^^^^^^^^^^^^^^
  ╵
Deprecation Warning on line 7, column 9 of ../../../../bootstrap-5.3.3/assets/stylesheets/_bootstrap.scss: 
Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0.

More info and automated migrator: https://sass-lang.com/d/import
  ╷
7 │ @import "bootstrap/functions";
  │         ^^^^^^^^^^^^^^^^^^^^^
  ╵
Deprecation Warning on line 8, column 9 of ../../../../bootstrap-5.3.3/assets/stylesheets/_bootstrap.scss: 
Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0.

More info and automated migrator: https://sass-lang.com/d/import
  ╷
8 │ @import "bootstrap/variables";
  │         ^^^^^^^^^^^^^^^^^^^^^
  ╵
Deprecation Warning on line 9, column 9 of ../../../../bootstrap-5.3.3/assets/stylesheets/_bootstrap.scss: 
Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0.

More info and automated migrator: https://sass-lang.com/d/import
  ╷
9 │ @import "bootstrap/variables-dark";
  │         ^^^^^^^^^^^^^^^^^^^^^^^^^^
  ╵
Deprecation Warning on line 10, column 9 of ../../../../bootstrap-5.3.3/assets/stylesheets/_bootstrap.scss: 
Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0.

More info and automated migrator: https://sass-lang.com/d/import
   ╷
10 │ @import "bootstrap/maps";
   │         ^^^^^^^^^^^^^^^^
   ╵

Is there a version for SASS after version 3.0 planned that will help?