Update CHANGELOG

CHANGELOG.md

@@ -4,18 +4,44 @@
 
 ### 1. Enhancements
 
+#### EEx
+
+  * [EEx.Engine] Support an `init/1` function in engines that will return the initial buffer (defaults to an empty string)
+
 #### Elixir
 
+  * [File] Support IO devices in `File.copy/3`
+  * [Compiler] Emit a summary of compilation errors when modules are missing
+  * [Regex] Support `:include_captures` in `Regex.split/3`
+
 #### ExUnit
 
+  * [ExUnit] Show pinned variables on failed `assert ^left = right` and `assert match?(^left, right)` assertions
+
 #### IEx
 
+  * [IEx.Autocomplete] Improve IEx expand to handle functions after `&`
+
 #### Logger
 
+  * [Logger] Introduce `Logger.reset_metadata/0,1`
+
 #### Mix
 
 ### 2. Bug fixes
 
+#### Elixir
+
+  * [Application] Ensure `Application.spec/2` returns nil for unknown applications
+  * [Inspect] Ensure binaries break into new lines when inspected
+  * [Kernel] Do not choke on capture operator with argument above `&191`
+  * [Kernel] Raise if `defstruct` is called multiple times
+  * [Macro] Fix `Macro.to_string/1` on a call of a capture argument, for example `&(&1).(:x)`
+
+#### Mix
+
+  * [Mix] Improve task not found message when Mix would include the not found task as a suggestion due to different casing
+
 ### 3. Soft deprecations (no warnings emitted)
 
 ### 4. Deprecations
@@ -24,14 +50,14 @@ This release deprecates many APIs that have been soft-deprecated in previous Eli
 
 #### Elixir
 
-* [Dict] `Dict` is no longer a behaviour and its functions will be deprecated in upcoming releases
-* [Enum] Passing a non-map to `Enum.group_by/3` is deprecated
-* [Enum] `Enum.uniq/2` is deprecated, use `Enum.uniq_by/2` instead
-* [Kernel] `\x{H*}` in strings/sigils/char lists is deprecated
-* [Keyword] `Keyword.size/1` is deprecated in favor of `Kernel.length/1`
-* [Map] `Map.size/1` is deprecated in favor of `Kernel.map_size/1`
-* [Regex] The option `/r` (for ungreedy) has been deprecated in favor of `/U`
-* [Set] `Set` is no longer a behaviour and its functions will be deprecated in upcoming releases
-* [String] `String.valid_character?/1` is deprecated in favor of `String.valid?/1` with pattern matching
-* [Task] `Task.find/2` is deprecated in favor of explicit message matching
-* [URI] Passing a non-map to `URI.decode_query/3` is deprecated
+  * [Dict] `Dict` is no longer a behaviour and its functions will be deprecated in upcoming releases
+  * [Enum] Passing a non-map to `Enum.group_by/3` is deprecated
+  * [Kernel] `\x{H*}` in strings/sigils/char lists is deprecated
+  * [Kernel] Add deprecation for `defdelegate` list arguments and `:append_first` option
+  * [Keyword] `Keyword.size/1` is deprecated in favor of `Kernel.length/1`
+  * [Map] `Map.size/1` is deprecated in favor of `Kernel.map_size/1`
+  * [Regex] The option `/r` (for ungreedy) has been deprecated in favor of `/U`
+  * [Set] `Set` is no longer a behaviour and its functions will be deprecated in upcoming releases
+  * [String] `String.valid_character?/1` is deprecated in favor of `String.valid?/1` with pattern matching
+  * [Task] `Task.find/2` is deprecated in favor of explicit message matching
+  * [URI] Passing a non-map to `URI.decode_query/3` is deprecated