Update CHANGELOG for v3.1.0

Author: andyleejordan

CHANGELOG.md

@@ -1,5 +1,30 @@
 # PowerShell Editor Services Release History
 
+## v3.1.0
+### Monday, January 10, 2022
+
+- ✨ 🙏 [PowerShellEditorServices #1658](https://github.com/PowerShell/PowerShellEditorServices/pull/1658) - Bump PSReadLine module to 2.2.0-beta5.
+- 🐛 🚨 [PowerShellEditorServices #1444](https://github.com/PowerShell/PowerShellEditorServices/pull/1657) - Re-enable `ExtensionCommandTests.cs`.
+- 🐛 🙏 [PowerShellEditorServices #1656](https://github.com/PowerShell/PowerShellEditorServices/pull/1656) - Resurrect support to resolve aliased references.
+- 🐛 🚨 [PowerShellEditorServices #1445](https://github.com/PowerShell/PowerShellEditorServices/pull/1655) - Split and clean up `LanguageServiceTests.cs`.
+- 🐛 🔍 [vscode-powershell #3715](https://github.com/PowerShell/PowerShellEditorServices/pull/1652) - Fix regression with `F5` to use `.` instead of `&` operator.
+- ✨ 🚨 [vscode-powershell #3677](https://github.com/PowerShell/PowerShellEditorServices/pull/1651) - Enable `PsesInternalHostTests` (previously `PowerShellContextTests`).
+- 🐛 🚂 [vscode-powershell #3718](https://github.com/PowerShell/PowerShellEditorServices/pull/1647) - Create `$psEditor` as a constant.
+- #️⃣ 🙏 [PowerShellEditorServices #1641](https://github.com/PowerShell/PowerShellEditorServices/pull/1641) - Added check to see if PSModulePath already contained BundledModulePath. (Thanks @dkattan!)
+- #️⃣ 🙏 [PowerShellEditorServices #1640](https://github.com/PowerShell/PowerShellEditorServices/pull/1640) - Implemented -LanguageServiceOnly switch.. (Thanks @dkattan!)
+- 🐛 🛫 [PowerShellEditorServices #1638](https://github.com/PowerShell/PowerShellEditorServices/pull/1638) - Fix `BundledModulePath` and PSReadLine loading (redux).
+- ✨ 🔍 [vscode-powershell #3703](https://github.com/PowerShell/PowerShellEditorServices/pull/1636) - Add magic value formatting for variable booleans. (Thanks @JustinGrote!)
+- 🐛 🔍 [PowerShellEditorServices #1635](https://github.com/PowerShell/PowerShellEditorServices/pull/1635) - Re-enable `DebugServiceTests` suite.
+- ✨ 📖 [PowerShellEditorServices #1631](https://github.com/PowerShell/PowerShellEditorServices/pull/1631) - Add Justin Grote as maintainer.
+- 🐛 🔍 [vscode-powershell #3667](https://github.com/PowerShell/PowerShellEditorServices/pull/1630) - Improve debugger's variable population mechanism.
+- 🐛 👷 [PowerShellEditorServices #1628](https://github.com/PowerShell/PowerShellEditorServices/pull/1628) - Fix build for Apple M1 when running PowerShell 7.2 (arm64).
+- 🐛 👷 [PowerShellEditorServices #1626](https://github.com/PowerShell/PowerShellEditorServices/pull/1626) - Remove Windows Server 2016 from CI.
+- ✨ 👷 [PowerShellEditorServices #1619](https://github.com/PowerShell/PowerShellEditorServices/pull/1619) - Install a single `dotnet` SDK.
+- 🐛 🔍 [PowerShellEditorServices #1608](https://github.com/PowerShell/PowerShellEditorServices/pull/1611) - Improve PowerShell command and argument escaping. (Thanks @JustinGrote!)
+- 🐛 📟 [PowerShellEditorServices #1603](https://github.com/PowerShell/PowerShellEditorServices/pull/1606) - Add `LengthInBufferCells` back to `EditorServicesConsolePSHostRawUserInterface`.
+- #️⃣ 🙏 [PowerShellEditorServices #1604](https://github.com/PowerShell/PowerShellEditorServices/pull/1604) - Fix profile loading and `$PROFILE` variable.
+- #️⃣ 🚂 [PowerShellEditorServices #1295](https://github.com/PowerShell/PowerShellEditorServices/pull/1459) - Reimplement the way PowerShell is run and hosted in PSES with a dedicated pipeline thread consumer.
+
 ## v2.5.3
 ### Wednesday, December 22, 2021