2.4

• Added the indexed Kleene store to Control.Lens.Internal
• Moved Gettable, Accessor, Settable and Mutator to Control.Lens.Internal
• Added cloneTraversal to Control.Lens.Traversal
• Renamed clone to cloneLens in Control.Lens.Type
• Generalized the type of zoom to subsume focus.
• Removed Focus(..) from Control.Lens.Type.
• Factored out Control.Lens.Isomorphic.
• Moved many private types to Control.Lens.Internal

2.3

• Added missing {-# INLINE #-} pragmas
• Renamed meanwhile to throughout in Control.Parallel.Strategies.Lens
• Added Magnify to Control.Lens.Getter.
• Added Zoom to Control.Lens.Type.

2.2

• Added <&=, <&~, <|=, and <|~
• Moved <>~, <<>~, <>=, and <<>= to Data.Monoid.Lens
• Template Haskell now uses eager binding to avoid adding dependencies.

2.1

• Renamed adjust to over
• Added au, auf and under
• Added Data.Monoid.Lens
• Increased lower dependency bound on mtl for cleaner installation.