0.9.1

• Supported GHCs up to 9.8 (#38 by @kgtkr)
• Exported Assoc, (>:), and Lookup from Data.Extensible.Effect
• Added coinclusionAssoc, wrenchAssoc, and retrenchAssoc (#36 by @At-sushi)

0.9

• Removed FieldName, the relic of the old ages
  • (@=), @==, @!? and lasso now take Proxy instead of FieldName. Those who are using mkField need to replace the operands with proxies (OverloadedLabels is recommended).
• Supported aeson 1.x
• Introduced IsLabel flag which toggles the presence of optics OverloadedLabels. By disabling it, this package can now coexist with other users of the IsLabel class, such as generic-lens and relational-query.

0.8.3

• Comp is now a pattern synonym for Compose
• Added missing liftTyped implementations
• Supported aeson-2.0

0.8.1

• Added DefaultOrdered and Incremental instances to :&
• Added an Incremental instance to Field

0.8

• Removed Associate, AssocKey, AssocValue, ValueIs, KeyIs, KeyValue, proxyAssocKey, proxyAssocValue, stringAssokKey, xlb, :*, :|
• Reverted deprecation of Data.Extensible.Tangle

0.7.1

• Removed vector and prettyprinter orphans
• Deprecated Data.Extensible.Tangle; use tangle
• parseJSON gives more informative failure messages on failure
• Supported barbies ^>= 2

0.7

• Moved Data.Extensible.Effect into new extensible-skeleton package
• Instances for barbies and cassava are now optional
• Deprecated 訊

0.6.1

• Added fromNullable
• Added xlb
• Added a HasField instance for RecordOf
• Removed deriveIsRecord
• Supported GHC 8.8

0.6

• Added a MonadCont instance for Eff
• (:*) and (:|) are deprecated in favour of (:&) and (:*) where their type parameters are flipped
• Flipped the type parameters of BitProd and TangleT
• Added itemKey, hmapWithIndexWith, hfoldMapWith, hfoldMapWithIndexWith, hfoldrWithIndexWith, hfoldlWithIndexWith, hrepeatWith, htabulateWith, and hgenerateWith

0.5.1

• Split Data.Extensible.HList and Data.Extensible.Internal to the membership package
• AssocKey, AssocValue, ValueIs, KeyValue and their related combinators are deprecated. Use ones from membership
• IsRecord now has a generic default implementation
• Deprecated deriveIsRecord

0.5

• GHC older than 8.4 is no longer supported
• Removed Const'
• Data.Extensible.Plain is no longer exported from Data.Extensible
• Added wrap and unwrap to Wrapper
• Added (=<:)

0.4.10.1

• Fixed build on GHC 8.6

0.4.10

• Added a MonadResource, MonadThrow, and MonadCatch instances for Eff
• Proxy and KnownSymbol are now reexported from Data.Extensible

0.4.9

• Generalised the MonadIO instance for Eff to (MonadIO m, Associate "IO" m xs) => MonadIO (Eff xs)
• Added And :: (k -> Constraint) -> (k -> Constraint) -> k -> Constraint
• Added Semigroup and Monoid instances for Const'
• Added stringAssocKey :: (IsString a, KnownSymbol (AssocKey kv)) => proxy kv -> a
• Added a Wrapper instance for Either e
• Added instances of Pretty and Lift
• Added hmapWithIndexFor

0.4.8

• Changed the FromJSON instance for Record to call parseJSON Null for missing fields
• Added FromJSON and ToJSON instances for Nullable (Field h) :* xs

0.4.7.2

• Added cassava's ToNamedRecord, ToRecord, FromNamedRecord and FromRecord instances
• Added KeyIs and ValueIs
• Added FromJSON and ToJSON instances for (:*)

0.4.7.1

• Fixed weird CPP errors on macOS 10.13.2 (#18)
• Added optFlag, optLastArg, and optionOptArg

0.4.7

• Made various optimisations to improve the compilation time
• Added trivial instances for FromBits
• Generalised the API of Data.Extensible.GetOpt

0.4.6

• New module Data.Extensible.GetOpt
• Added fromBitProd
• Added Hashable instances for :*, :|, BitProd, Membership, and various wrappers
• Added an Unbox instance for :*
• Added hfoldlWithIndex and hfoldlWithIndexFor

0.4.5

• Added nothingEff
• Added happend
• Added Arbitrary instances for :*, :|, and wrappers
• Added Data.Extensible.Bits

0.4.4

• Added contEff and runContEff
• Added castEff
• Added evalStateEff
• Added Semigroup and Monoid instances for Match, Comp, Prod
• Added evalStateDef, execStateDef, and execWriterDef
• Added mkFieldAs
• Added a Bounded instance for :*

0.4.3

• Added WrappedPointer
• Added NFData and Generic instances for Comp
• Added a Semigroup instance for h :* xs and Membership xs x
• Added Prod
• Added peelEff0
• Changed the IsLabel instance so that a function is always inferred as an optic
• Data.Extensible.Class now exports compareMembership
• Renamed runMembership to leadership

0.4.2

• Made newFrom strict
• pieceAt for (:*) is now strict
• Added (<!)
• Added peelEff1, peelAction0, execStateEff, execWriterEff
• Added atomic operations for Struct
• Added constrained variants of folds

0.4.1

• Added hforce
• Added an NFData instance for (:*) and :|
• Added a rule to fuse a chain of product updates
• Added a Monoid instance for TangleT
• Added (@==)
• #foo can now be overloaded as FieldOptic "foo"

0.4

• Added Data.Extensible.Struct
• Changed the representation of (:*) to use SmallArray
• Removed (<:*). hhead, htail, huncons, (*++*), htrans
• New functions: hfoldrWithIndex, hrepeat, hrepeatFor, haccumMap, haccum, hpartition, henumerate, hlength, hcount
• Added various derived instances for Field
• Added liftField, liftField2
• Added Wrapper instances for Maybe and []
• Added >: as a synonym for :>
• Data.Extensible.Effect
  • Refined the API
  • Added Data.Extensible.Effect.Default
• Added Data.Extensible.Tangle
• Added record
• Type inference aids

0.3.7.1

• pieceAt for (:*) is now index-preserving
• Removed sector, sectorAt, picked

0.3.7

• Support GHC 8.0
• Added a Monoid instance for Field
• Added Data.Extensible.Record
• Added Enum and Bounded instances for Proxy :| xs
• Removed Data.Extensible.Union

0.3.6

• Added (@:>)
• Added (!-!!), nihility, squash

0.3.5

• Added Data.Extensible.Effect
• Added decEffects

0.3.4

• Added Data.Extensible.Wrapper
• Added itemAt, item, itemAssoc
• Safe Haskell
• Generalized Field

0.3.3

• Renamed sectorAt, sector, sectorAssoc to pieceAt, piece, pieceAssoc, respectively
• picked is now subsumed by piece
  • mkField yields more generalized optics
• Renamed UnionAt to EmbedAt
• Removed clause; Use piece . _Match
• Removed record; Use piece . _K0
• Added htraverseWithIndex
• Renamed ord to mkMembership
• Fixed the Show instance of :|
• Added Variant

0.3.2

• Added Associate class and combinators around it
• Data.Extensible.Record now lets values be independent from keys
  • mkField requires 1 argument
• Added Data.Extensible.Union, partially taking elevator's functionality
• Removed old Data.Extensible.Union and Data.Extensible.League
• Removed (<?!)

0.3.1

• Removed Reifiable
• Now library yields desired dictionaries
• Added remember
• Added strike and strikeAt

0.3

• Renamed generate to htabulate
• Renamed generateA to hgenerate
• Renamed generateFor to htabulateFor
• Renamed generateForA to hgenerateFor
• Renamed htabulate to hmapWithIndex
• Added (<@=>)
• Added Comp
• Fixed badly-specialized htraverse
• Added hsequence, hdistribute, hcollect
• Added hindex

0.2.10

• Optimized sector (~2x)

0.2.9

• Renamed (<?~) to (<?!$)
• Renamed (<$?~) to (<?!~)
• Refactored Data.Extensible.Dictionary
• Supported serialization/deserialization of products using binary

0.2.8

• Improved performance considerably

0.2.7

• Added accessing
• Added decFields and decFieldsDeriving
• Renamed Position to Membership

0.2.6

• Right-associated (++)
• Added htrans
• Added recordType
• Made Eq, Ord, Show instances for Position more reasonable

0.2.5

• Added (<:)
• Re-exported Data.Extensible.Record, Data.Extensible.Union, Data.Extensible.League
• Brushed instances up
• Added subset
• Added Data.Extensible.Internal.HList and combinators

0.2.4

• Corrected the definition of Half
• Added coinclusion, wrench, retrench along with Nullable
• Added htabulate

0.2.3

• Corrected the behavior of Generate and Forall
• Made type errors more readable
• Added (*++*)
• Fixed the accidental miscall of getUnion

0.2.2

• Added recordAt
• Added ord
• Re-added K1
• Toggled INLINE pragmas

0.2.1

• Added hhead and htail
• Changed the definition of Union to use coyoneda style

0.2

• Split modules up
• Flipped Position
• Added several combinators