WARNING

• this release is the first release using androidX, stay with older versions for pure appcompat dependencies
• in addition it has completely reworked items and headers using the new android constraintlayout v2.0.0-alpha2

Changes

• update to latest androidX release v1.0.0-rc02
• please also see the changelog of v6.1.0-rc01.2 (which has more details about the material2 design refactor)