---
title: "ASP.NET Core docs: What's new for May 2020"
description: "What's new in ASP.NET docs for May 2020."
ms.date: 06/01/2020
---

# ASP.NET Core docs: What's new for May 2020

This article lists some of the significant changes to docs during this period.

## Blazor

### Updated articles

- <xref:blazor/call-web-api> - Blazor call web API enhancements

## Fundamentals

### Updated articles

- <xref:fundamentals/configuration/options> - Improve the readability of Options pattern doc and the usefulness of its samples
- <xref:fundamentals/localization> - Improve the readability of globalization and localization doc
- <xref:fundamentals/logging/index> - Improve the readability of the logging doc

## Migration

### Updated articles

- <xref:migration/webapi> - Update web API migration doc and samples to ASP.NET Core 3.1

## Performance

### New articles

- <xref:blazor/webassembly-performance-best-practices> - Add a Blazor WASM performance best practices doc

## Security

### New articles

- <xref:blazor/security/server/additional-scenarios> - Create Blazor Server security node
- <xref:blazor/security/server/index> - Create Blazor Server security node
- <xref:blazor/security/webassembly/aad-groups-roles> - Blazor WASM with AAD groups and roles

### Updated articles

- <xref:blazor/security/webassembly/additional-scenarios>
  - Blazor call web API enhancements
  - Blazor WASM security topic updates
- <xref:blazor/security/webassembly/hosted-with-identity-server> - Add section for name and role claims configuration for Blazor with Identity Server

## SignalR

### Updated articles

- <xref:signalr/configuration> - Document ASP.NET Core 5.0 withCredentials setting for SignalR CORS requests

## Testing

### New articles

- <xref:test/middleware> - Add doc for testing ASP.NET Core middleware with TestServer

## Community contributors

The following people have contributed to ASP.NET Core docs in May 2020. Thank you! You can learn how to contribute by following the links under "Get involved" in the [what's new landing page](index.yml).

- [serpent5](https://github.com/serpent5) - Kirk Larkin (16)
- [yringler](https://github.com/yringler) - Yehuda Ringler (3)
- [dymanoid](https://github.com/dymanoid) (2)
- [abhishek4023](https://github.com/abhishek4023) - ABHISHEK MAURYA (1)
- [aL3891](https://github.com/aL3891) - Allan Lindqvist (1)
- [alfkonee](https://github.com/alfkonee) - Alfred Neequaye (1)
- [alfredmyers](https://github.com/alfredmyers) - Alfred Myers (1)
- [AndrewLane](https://github.com/AndrewLane) - Andrew Lane (1)
- [ankona](https://github.com/ankona) - Chris McBride (1)
- [bestcoder](https://github.com/bestcoder) - Danny Joe (1)
- [Brianmanden](https://github.com/Brianmanden) - Brian Juul Andersen (1)
- [caseymarquis](https://github.com/caseymarquis) - Casey Marquis (1)
- [CharlesSchimmel](https://github.com/CharlesSchimmel) - Charles Schimmelpfennig (1)
- [chrissainty](https://github.com/chrissainty) - Chris Sainty (1)
- [crackalak](https://github.com/crackalak) - Dan Hughes (1)
- [dahln](https://github.com/dahln) (1)
- [dzmitry-lahoda](https://github.com/dzmitry-lahoda) - Dzmitry Lahoda (1)
- [eladeyal-intel](https://github.com/eladeyal-intel) (1)
- [IanKemp](https://github.com/IanKemp) - Ian Kemp (1)
- [IliyanAng](https://github.com/IliyanAng) - Iliyan Angelov (1)
- [john-h-k](https://github.com/john-h-k) - John Kelly (1)
- [leotsarev](https://github.com/leotsarev) - Leonid Tsarev (1)
- [MaartenGDev](https://github.com/MaartenGDev) - MaartenGDev (1)
- [michal-ciechan](https://github.com/michal-ciechan) - Michal Ciechan (1)
- [mrlife](https://github.com/mrlife) (1)
- [sackri10](https://github.com/sackri10) - Datta Sai Krishna (1)
- [shaggygi](https://github.com/shaggygi) - Greg Ingram (1)
- [Steborino](https://github.com/Steborino) - Stephen Hoerner (1)
- [UncleDave](https://github.com/UncleDave) - Dave Pringle (1)
- [zbecknell](https://github.com/zbecknell) - Zachary Becknell (1)