Update CHANGELOG

- Update CHANGELOG for alpha 4.
- Update samples from alpha 2 to 4.

Author: martincostello

CHANGELOG.md

@@ -1,3 +1,10 @@
+## 8.0.0-alpha.4
+
+* Rename FakeTimeProvider by [@martincostello](https://github.com/martincostello) in https://github.com/App-vNext/Polly/pull/1349
+* Adopt FakeTimeProvider by [@martincostello](https://github.com/martincostello) in https://github.com/App-vNext/Polly/pull/1350
+* Drop custom validation attributes by [@martintmk](https://github.com/martintmk) in https://github.com/App-vNext/Polly/pull/1351
+* Drop TimeProvider.CancelAfter by [@martintmk](https://github.com/martintmk) in https://github.com/App-vNext/Polly/pull/1352
+
 ## 8.0.0-alpha.3
 
 * Update README.md with v8 Alpha v2 release announcement by [@joelhulen](https://github.com/joelhulen) in https://github.com/App-vNext/Polly/pull/1337
@@ -12,8 +19,6 @@
 * Bump SonarAnalyzer.CSharp from 9.3.0.71466 to 9.4.0.72892 by [@dependabot](https://github.com/dependabot) in https://github.com/App-vNext/Polly/pull/1343
 * Expose Randomizer property and use it in retry strategy by [@martintmk](https://github.com/martintmk) in https://github.com/App-vNext/Polly/pull/1346
 
-**Full Changelog**: https://github.com/App-vNext/Polly/compare/8.0.0-alpha.2...8.0.0-alpha.3
-
 ## 8.0.0-alpha.2
 
 - Drop redundant validation of resilience strategy options by [@martintmk](https://github.com/martintmk) in https://github.com/App-vNext/Polly/pull/1299
@@ -41,8 +46,6 @@
 - Validate NuGet package signatures by [@martincostello](https://github.com/martincostello) in https://github.com/App-vNext/Polly/pull/1335
 - Allow implicit conversion of `PredicateBuilder` to delegates by [@martintmk](https://github.com/martintmk) in https://github.com/App-vNext/Polly/pull/1332
 
-**Full Changelog**: https://github.com/App-vNext/Polly/compare/8.0.0-alpha.1...8.0.0-alpha.2
-
 ## 8.0.0-alpha.1
 
 - The first public preview of [Polly v8](https://github.com/App-vNext/Polly/issues/1048) with our [new high-performance core API](https://github.com/App-vNext/Polly/blob/main/src/Polly.Core/README.md) and extensions. Feel free to check out the [samples](samples/) to see the new and improved Polly V8 in action.

Directory.Packages.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-    <PollyVersion>8.0.0-alpha.2</PollyVersion>
+    <PollyVersion>8.0.0-alpha.4</PollyVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="coverlet.msbuild" Version="6.0.0" />

README.md

@@ -5,8 +5,8 @@
 > Major performance improvements are on the way! Please see our [blog post](https://www.thepollyproject.org/2023/03/03/we-want-your-feedback-introducing-polly-v8/) to learn more and provide feedback in the [related GitHub issue](https://github.com/App-vNext/Polly/issues/1048).
 >
 > :rotating_light::rotating_light: **Polly v8 feature-complete!** :rotating_light::rotating_light:
-> - Polly v8 Alpha 3 is now available on [NuGet.org](https://www.nuget.org/packages/Polly/8.0.0-alpha.3)
-> - The Alpha 3 version is considered feature-complete. After an internal review of the API to address unresolved issues, we will move on to a Beta release.
+> - Polly v8 Alpha 4 is now available on [NuGet.org](https://www.nuget.org/packages/Polly/8.0.0-alpha.4)
+> - The Alpha 4 version is considered feature-complete. After an internal review of the API to address unresolved issues, we will move on to a Beta release.
 > - The v8 docs are not yet finished, but you can take a look at sample code in these locations:
 >     - Within the repo's new [Samples folder](https://github.com/App-vNext/Polly/tree/main/samples)
 >     - By reading `Polly.Core`'s [README](https://github.com/App-vNext/Polly/blob/main/src/Polly.Core/README.md)