Various changelog updates

CHANGELOG.md

@@ -1,8 +1,11 @@
 ### Unreleased
 
 Improvements:
+- Basic single-file (e.g. `.exs`) support (thanks [Łukasz Samson](https://github.com/lukaszsamson)) [#562](https://github.com/elixir-lsp/elixir-ls/pull/562) (and VSCode [#195](https://github.com/elixir-lsp/vscode-elixir-ls/pull/195))
 - Add commands for piping and unpiping text (thanks [Paulo Valente](https://github.com/polvalente)) [#515](https://github.com/elixir-lsp/elixir-ls/pull/515)
 - Make `test` snippet consistent by including quotes (thanks [Mitchell Hanberg](https://github.com/mhanberg)) [#542](https://github.com/elixir-lsp/elixir-ls/pull/542)
+- Smarter spec suggestions in protocols and implementations (thanks [Łukasz Samson](https://github.com/lukaszsamson)) [#549](https://github.com/elixir-lsp/elixir-ls/pull/549)
+- Trigger signature_help on comma (thanks [Jared Mackey](https://github.com/jared-mackey)) [#564](https://github.com/elixir-lsp/elixir-ls/pull/564)
 - ElixirSense: Add more fuzzy matching (thanks [Maciej Szlosarczyk](https://github.com/maciej-szlosarczyk)) [#131](https://github.com/elixir-lsp/elixir_sense/pull/131)
 - ElixirSense: Add inference when using dependency injection with module attributes ([Gustavo Aguiar](https://github.com/gugahoa)) [#133](https://github.com/elixir-lsp/elixir_sense/pull/133)
 - ElixirSense: Add support for EEP-48 (updated documentation storage format) (thanks [Łukasz Samson](https://github.com/lukaszsamson)) [#132](https://github.com/elixir-lsp/elixir_sense/pull/132)
@@ -14,6 +17,9 @@ Bug Fixes:
 - Improve test runner to use exunit testPaths and testPattern (thanks [Étienne Lévesque](https://github.com/Blond11516)) [#500](https://github.com/elixir-lsp/elixir-ls/pull/500)
 - Fix race-condition in suggest contracts (thanks [Łukasz Samson](https://github.com/lukaszsamson)) [#544](https://github.com/elixir-lsp/elixir-ls/pull/544)
 - Fix `@doc false` and `@moduledoc false` for folding ranges (thanks [Jason Axelson](https://github.com/axelson/)) [#580](https://github.com/elixir-lsp/elixir-ls/pull/580)
+- Guard against sending -1 line or column locations in LSP messages (thanks [Oliver Marriott](https://github.com/rktjmp)) [#558](https://github.com/elixir-lsp/elixir-ls/pull/558)
+- Avoid crashing on manipulatePipes errors (thanks [Paulo Valente](https://github.com/polvalente)) [#576](https://github.com/elixir-lsp/elixir-ls/pull/576)
+- Handle Nova long form paths in rootURI (thanks [Raul Chedrese](https://github.com/raulchedrese)) [#579](https://github.com/elixir-lsp/elixir-ls/pull/579)
 
 Housekeeping:
 - Minor iteration/performance improvements (thanks [Andrew Summers](https://github.com/asummers)) [#527](https://github.com/elixir-lsp/elixir-ls/pull/527)
@@ -22,6 +28,11 @@ VSCode:
 - Support optional `~S` sigil at start of doc folding region (thanks [thepeoplesbourgeois](https://github.com/thepeoplesbourgeois)) [#179](https://github.com/elixir-lsp/vscode-elixir-ls/pull/179)
 - Fix run test command to save document before running tests (thanks [Étienne Lévesque](https://github.com/Blond11516)) [#165](https://github.com/elixir-lsp/vscode-elixir-ls/pull/165)
 
+**Deprecations**
+- Minimum version of Elixir is now 1.10
+- Minimum version of Erlang/OTP is now 22
+These are keeping in line with our Version Support Guidelines: https://github.com/elixir-lsp/elixir-ls/blob/master/DEVELOPMENT.md#version-support-guidelines
+
 ### v0.7.0: 06 April 2021
 
 Improvements: