v2.19.0a0

Breaking Changes

• pre_install and post_install signals now receive the list of packages to be installed, instead of a candidate mapping. (#3144)

Features & Improvements

• Deprecate Core.synchronizer_class attribute. To get the synchronizer class, use Project.get_synchronizer method instead.
  Deprecate Core.resolver_class attribute. To get the resolver class, use Project.get_resolver method instead. (#3144)
• Add experimental support for uv as the resolver and installer. One can opt in by setting use_uv to true using pdm config command. (#3144)

Bug Fixes

• Respect the excludes and overrides settings when installing packages. (#3113)
• Fix a bug of export command that packages with extras are included twice. (#3123)
• Remove empty groups when removing packages with pdm remove. (#3133)
• When running pdm venv purge, if the current project's python version had been referencing the removed venv then clear it out. (#3137)