Bump version, update changelog and add "since" to instances

Trace/Hpc/Tix.hs

@@ -31,7 +31,9 @@ data Tix = Tix [TixModule]
         deriving (Read, Show, Eq)
 
 #if __GLASGOW_HASKELL__ >= 704
+-- | @since 0.6.2.0
 deriving instance (Generic Tix)
+-- | @since 0.6.2.0
 instance NFData Tix
 #endif
 
@@ -43,7 +45,9 @@ data TixModule = TixModule
         deriving (Read, Show, Eq)
 
 #if __GLASGOW_HASKELL__ >= 704
+-- | @since 0.6.2.0
 deriving instance (Generic TixModule)
+-- | @since 0.6.2.0
 instance NFData TixModule
 #endif
 

Trace/Hpc/Util.hs

@@ -86,7 +86,9 @@ class HpcHash a where
 newtype Hash = Hash Word32 deriving (Eq)
 
 #if __GLASGOW_HASKELL__ >= 704
+-- | @since 0.6.2.0
 deriving instance (Generic Hash)
+-- | @since 0.6.2.0
 instance NFData Hash
 #endif
 

changelog.md

 # Changelog for [`hpc` package](http://hackage.haskell.org/package/hpc)
+## 0.6.2.0  *September 2021*
+
+  * Addition of `NFData` instances for `Tix` and `TixModule`
 
 ## 0.6.1.0  *October 2019*
 

hpc.cabal

 name:         hpc
-version:      0.6.1.0
+version:      0.6.2.0
 -- NOTE: Don't forget to update ./changelog.md
 license:      BSD3
 license-file: LICENSE