3.20.5

Enhancements:

• A new feature build/ignore_run_exports_from which will ignore run_exports
  coming from a package listed in build/ignore_run_exports_from. (#4114)

Bug fixes:

• Respect PEP440 ~= 'Compatible release clause' (#4113)
• Detect amalgamated patches (#4099)
• Handle realpath properly in unsafe patch check (#4099)
• Force channel_targets to be considered used (#4099)
• Look for git in build_prefix in git_info (#4099)
• Fall back to shutil.copy if shutil.copy2 fails when copying patches (#4099)
• Fix indexing by file (#4111)
• Helper functions to extract keys (#4088)
• Simplify find_config_files call (#4086)
• Refactor dict_of_lists_to_lists_of_dict (#4075)

Contributors:

• @mingwandroid
• @isuruf
• @njalerikson
• @cjmartian
• @njalerikson