Rider 2018.3.1 comes with fixes for:

Several issues in the debugger: RIDER-23087, RIDER-22932, RIDER-22770, RIDER-22887, and RIDER-22873.
Broken NuGet window after searching for “mongo” text (RIDER-22927).
Endless “Retrieving properties…” progress bar for Project Properties (RIDER-22924).
Inability to activate the dotTrace plugin via the License Server (RIDER-22876).
The “Failed to get the list of simulators” error on getting a list of iOS simulators (RIDER-22878).
The issue where a .jar setting file couldn’t be imported to Rider 2018.3 (RIDER-22823).
The misplaced position of inline parameter name hints (RIDER-22452).
 

We’ve crammed months of work into v4.2.1 with over 400 commits since our last v4.1.3 release.  

Rider 2018.3 comes with Code Vision, Rename Project refactoring, and the Assembly Explorer window. It provides support for remote debugging via SSH, Launch Settings and SQL language injections in C# code. This release improves C#, VB.NET, F#, TypeScript language support, and Angular framework support. 

that’s not a typo—today we’re shipping Bootstrap 3.4.0, a long overdue update to address some quality of life issues, XSS fixes , and build tooling updates to make it easier for us, and you, to develop. 

The Second Edition of "Refactoring" 

What's new in Angular 7.1? 

Postgres 11 is out and brings more robustness and performance for partitioning, enhanced capabilities for query parallelism, Just-in-Time (JIT) compilation for expressions, and a couple of more useful or convenient changes. 

New platform and feature support

• Support for SQL 2019
• Support for Azure SQL Managed Instance
• Azure SQL Database support
  • SLO/Edition
  • Support for updated Azure SQL SKUs
• Support for Always Encrypted with secure enclaves
• UTF-8 support on collation dialog 

Today, we are releasing the .NET Core September 2018 Update. This update includes .NET Core 2.1.5 and .NET Core SDK 2.1.403 and contains important reliability fixes.