---
title: "ASP.NET Core docs: What's new for December 1, 2021 - December 31, 2021"
description: "What's new in the ASP.NET Core docs for December 1, 2021 - December 31, 2021."
ms.date: 01/01/2022
---

# ASP.NET Core docs: What's new for December 1, 2021 - December 31, 2021

Welcome to what's new in the ASP.NET Core docs from December 1, 2021 through December 31, 2021. This article lists some of the major changes to docs during this period.

## Blazor

### Updated articles

- <xref:blazor/file-uploads> - Blazor file uploads example update
- <xref:blazor/fundamentals/startup> - Header control in Blazor apps
- <xref:blazor/components/virtualization> - Virtualization doc updates (keyboard support, guidance on correct use)
- <xref:blazor/fundamentals/handle-errors> - Blazor Handle Errors content reorganization
- <xref:blazor/performance> - Add event args to non-rendering example
- <xref:blazor/security/index> - Resource authorization

## Fundamentals

### Updated articles

- <xref:fundamentals/logging/index> - setx command structure
- <xref:fundamentals/middleware/write> - V6 custom middleware /3
- <xref:fundamentals/index> - Fundamentals doc, clean monikers /1
- <xref:fundamentals/host/generic-host> - Prepare Generic Host for 6.0
- <xref:fundamentals/static-files> - moniker prep for static files

## Hosting and deployment

### Updated articles

- <xref:host-and-deploy/health-checks>
  - Update Health Checks to 6.0
  - Prepare Health Checks for 6.0
  - Moniker prep for Heath checks
- <xref:host-and-deploy/linux-nginx> - fix monikers Nginx

## Security

### Updated articles

- <xref:security/key-vault-configuration> - Prepare KV Configuration for 6.0
- <xref:security/authorization/policies> - Clean-up policy-based authz
- <xref:security/anti-request-forgery> - Moniker prep for XSRF
- <xref:security/authorization/roles> - update Roles for V6 /3

## Tutorials

### Updated articles

- <xref:tutorials/web-api-javascript> - Prep Call Web API with JavaScrip for .NET 6/3

## Community contributors

The following people contributed to the ASP.NET Core docs during this period. Thank you! Learn how to contribute by following the links under "Get involved" in the [what's new landing page](index.yml).

- [smandia](https://github.com/smandia) (7)
- [fiyazbinhasan](https://github.com/fiyazbinhasan) - Fiyaz Bin Hasan (5)
- [GitHubPang](https://github.com/GitHubPang) (4)
- [hishamco](https://github.com/hishamco) - Hisham Bin Ateya (2)
- [MustafaGamalMuhammed](https://github.com/MustafaGamalMuhammed) (2)
- [xh286286](https://github.com/xh286286) (2)
- [cheesi](https://github.com/cheesi) - Christian S (1)
- [darkBoft](https://github.com/darkBoft) - Björn B. (1)
- [dot-sent](https://github.com/dot-sent) (1)
- [Ducki](https://github.com/Ducki) - Alexander Wicht (1)
- [henthu](https://github.com/henthu) - Mohamed Amine HAMDI (1)
- [Huntk23](https://github.com/Huntk23) - Kelby Hunt (1)
- [ichan-akira](https://github.com/ichan-akira) - ichan-akira (1)
- [isaacrlevin](https://github.com/isaacrlevin) - Isaac Levin (1)
- [jeevan-vj](https://github.com/jeevan-vj) - jeevan wijerathna (1)
- [markharwood101](https://github.com/markharwood101) - Mark Harwood (1)
- [markmcgookin](https://github.com/markmcgookin) - Mark McGookin (1)
- [meziantou](https://github.com/meziantou) - Gérald Barré (1)
- [mmalka](https://github.com/mmalka) - MALKA Marc (1)
- [rexebin](https://github.com/rexebin) - Rex (1)
- [sanamhub](https://github.com/sanamhub) - Sanam (1)
- [sanchit154](https://github.com/sanchit154) (1)
- [sjwaight](https://github.com/sjwaight) - Simon Waight (1)
- [stacklysm](https://github.com/stacklysm) - Stacklysm (1)
- [ThaRaven403](https://github.com/ThaRaven403) - Bruno Barrette (1)
- [thiennn](https://github.com/thiennn) - Thien Nguyen Le Quynh (1)
- [Tony-Liou](https://github.com/Tony-Liou) - Zironic (1)
- [tryonelove](https://github.com/tryonelove) - Ilya (1)
- [viremman](https://github.com/viremman) - Emmanuel Darko (1)
- [yecril71pl](https://github.com/yecril71pl) - Christopher Yeleighton (1)