Prepare for 0.5.0 release (#896)

The changelog is a trimmed down summary of the git log.
I have removed several non-user visible changes while making sure that
everyone who contributed is listed at least once.

CHANGELOG.md

@@ -1,3 +1,27 @@
+### 0.5.0 (2020-10-08)
+* Use implicit-hie-0.1.2.0 (#880) - (Javier Neira)
+* Clarify and downgrade implicit-hie message (#883) - (Avi Dessauer)
+* Switch back to bytecode (#873) - (wz1000)
+* Add code action for remove all redundant imports (#867) - (Potato Hatsue)
+* Fix pretty printer for diagnostic ranges (#871) - (Martin Huschenbett)
+* Canonicalize import dirs (#870) - (Pepe Iborra)
+* Do not show internal hole names (#852) - (Alejandro Serrano)
+* Downgrade file watch debug log to logDebug from logInfo (#848) - (Matthew Pickering)
+* Pull in local bindings (#845) - (Sandy Maguire)
+* Use object code for Template Haskell, emit desugarer warnings (#836) - (wz1000)
+* Fix code action for adding missing constraints to type signatures (#839) - (Jan Hrcek)
+* Fix duplicated completions (#837) - (Vitalii)
+* FileExists: set one watcher instead of thousands (#831) - (Michael Peyton Jones)
+* Drop 8.4 support (#834) - (wz1000)
+* Add GetHieAsts rule, Replace SpanInfo, add support for DocumentHighlight and scope-aware completions for local variables (#784) - (wz1000)
+* Tag unused warning as such (#815) - (Alejandro Serrano)
+* Update instructions for stty error in windows (#825) - (Javier Neira)
+* Fix docs tooltip for base libraries on Windows (#814) - (Nick Dunets)
+* Fix documentation (or source) link when html file is less specific than module (#766) - (Nick Dunets)
+* Add completion tests for records. (#804) - (Guru Devanla)
+* Restore identifiers missing from hi file (#741) - (maralorn)
+* Fix import suggestions when dot is typed (#800) - (Marcelo Lazaroni)
+
 ### 0.4.0 (2020-09-15)
 * Fixes for GHC source plugins: dotpreprocessor works now - (srid)
 * Use implicit-hie when no explicit hie.yaml (#782) - (Javier Neira)

ghcide.cabal

@@ -2,7 +2,7 @@ cabal-version:      1.20
 build-type:         Simple
 category:           Development
 name:               ghcide
-version:            0.4.0
+version:            0.5.0
 license:            Apache-2.0
 license-file:       LICENSE
 author:             Digital Asset and Ghcide contributors
@@ -13,7 +13,7 @@ description:
     A library for building Haskell IDE's on top of the GHC API.
 homepage:           https://github.com/haskell/ghcide#readme
 bug-reports:        https://github.com/haskell/ghcide/issues
-tested-with:        GHC>=8.4.4
+tested-with:        GHC>=8.6.5
 extra-source-files: include/ghc-api-version.h README.md CHANGELOG.md
                     test/data/hover/*.hs
                     test/data/multi/cabal.project
@@ -83,7 +83,7 @@ library
       build-depends:
         ghc-boot-th,
         ghc-boot,
-        ghc >= 8.4,
+        ghc >= 8.6,
         -- These dependencies are used by Development.IDE.Session and are
         -- Haskell specific. So don't use them when building with -fghc-lib!
         ghc-check >=0.5.0.1,