ASP.NET Core in .NET 8 is your complete solution for modern web development. It handles all of your web development needs from the frontend to the backend. You can build beautiful, richly interactive web experiences with Blazor, and high-performance backend APIs and services that are reliable and secure. ASP.NET Core in .NET 8 is perfect for building cloud-native apps, and great tooling in Visual Studio and Visual Studio Code supercharges your productivity. With ASP.NET Core in .NET 8, every developer is a full stack developer! 

A Visual Studio extension that installs a short list of highly valuable extensions targeted web development. 

 sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get install apache2

 sudo apt-get install libapache2-mod-mono mono-apache-server4

 sudo gedit /etc/apache2/sites-available/default

 MonoAutoApplication disabled
AddHandler mono .aspx .ascx .asax .ashx .config .cs .asmx .axd
MonoApplications "/:/var/www"
MonoServerPath default "/usr/bin/mod-mono-server4"

 SetHandler mono
DirectoryIndex index.aspx index.html default.aspx Default.aspx

 <DirectoryMatch "/([bB]in|[Aa]pp_[Cc]ode|[Aa]pp_[Dd]ata|[Aa]pp_[Gg]lobal[Rr]esources|[Aa]pp_[Ll]ocal[Rr]esources)/">
Order deny,allow
Deny from all
</DirectoryMatch>

 sudo service apache2 restart

 # r,w,exec for user + group
sudo chgrp -R www-data /var/www
sudo chown -R www-data /var/www
sudo chown -R www-data:www-data /var/www
sudo chmod -R 755 /var/www

 gedit /var/www/index.html

 sudo nautilus

 sudo gedit /etc/apache2/sites-available/default

 AddMonoApplications default "/webforms_test:/var/www/WebFormsApp/"
<Location /webforms_test>
SetHandler mono
</Location>

 AddMonoApplications default "/mvc_test:/var/www/Mvc4ProjectApp/"
<Location /mvc_test>
SetHandler mono
</Location>

<VirtualHost *:80>
ServerAdmin webmaster@localhost
        MonoAutoApplication disabled
        AddHandler mono .aspx .ascx .asax .ashx .config .cs .asmx .axd
        MonoApplications "/:/var/www"
        MonoServerPath default "/usr/bin/mod-mono-server4"

DocumentRoot "/var/www"
<Directory />
Options FollowSymLinks
AllowOverride None
</Directory>
<Directory /var/www/>
                SetHandler mono
                DirectoryIndex index.aspx index.html default.aspx Default.aspx
Options Indexes Includes FollowSymLinks MultiViews
AllowOverride None
Order allow,deny
allow from all                
</Directory>

ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
<Directory "/usr/lib/cgi-bin">
AllowOverride None
Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
Order allow,deny
Allow from all
</Directory>

        <DirectoryMatch "/([bB]in|[Aa]pp_[Cc]ode|[Aa]pp_[Dd]ata|[Aa]pp_[Gg]lobal[Rr]esources|[Aa]pp_[Ll]ocal[Rr]esources)/">
          Order deny,allow
          Deny from all
        </DirectoryMatch>

        AddMonoApplications default "/webforms_test:/var/www/WebFormsApp/"
        <Location /webforms_test> 
         SetHandler mono
        </Location>

       AddMonoApplications default "/mvc_test:/var/www/Mvc4ProjectApp/"
        <Location /mvc_test> 
         SetHandler mono
        </Location>

ErrorLog ${APACHE_LOG_DIR}/error.log

# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
LogLevel warn

CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

We cover:

• Installation of .NET Core Framework and SDK (in Windows, Mac, Linux)
• Configuring your Development Environment (in Windows, Mac, Linux)
• Building Console Applications
• Building ASP.NET MVC Applications
• Building ASP.NET Web API Applications
• Installing .NET CORE on Windows and Linux Servers 

Kweb is a library for building web applications in the Kotlin programming language, that virtually eliminates the separation between browser and server from the programmer’s perspective

ReactXP is a new Library by Microsoft for building cross platform apps that run on iOS, Android, Windows, and the web. 

In Chrome 80 and later, cookies will default to SameSite=Lax. This means that cookies will automatically be sent only in a first party context unless they opt-out by explicitly setting a directive of None.
But if you’re a web developer, you should start testing your sites and services now to help ensure a smooth transition. 

From Fiddler Classic to Fiddler Everywhere