Bug Fixes

• Build wheel from sdist if available, to make sure sdist is built properly. This behavior is consistent with pypa/build. (#2843)
• Fix the issue of self-referencing extra dependencies failing to be resolved for local packages. (#2898)
• Fix an issue of max recursion depth error when parsing a poetry project with circular dependencies on local packages. (#2900)
• Fix a bug that VCS dependencies and --self don't work in the exported requirements.txt with hashes. (#2908)
• Fix a cache miss when there exist built wheels for a given link. (#2912)
• Don't try to store caches when --no-cache is given. (#2913)