dotnet/Documentation/compatibility/clickonce-supports-sha-256-...

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Markdown

## ClickOnce supports SHA-256 on 4.0-targeted apps
### Scope
Minor
### Version Introduced
4.6
### Source Analyzer Status
Planned
### Change Description
Previously, a ClickOnce app with a certificate signed with SHA-256 would require
.NET 4.5 or later to be present, even if the app targeted 4.0. Now, 4.0-targeted
ClickOnce apps can run on 4.0, even if signed with SHA-256.
- [ ] Quirked
- [x] Build-time break
### Recommended Action
This change removes that dependency and allows SHA-256 certificates to be used
to sign ClickOnce apps that target .NET Framework 4 and earlier versions.
### Affected APIs
* Not detectable via API analysis
### Category
ClickOnce
<!--
### Notes
We could possibly detect this by analyzing ClickOnce manifests and looking for SHA-256 certs.
-->
<!-- breaking change id: 79 -->