The .NET Framework 4.8 includes an updated toolset as well as improvements in several areas:

• [Runtime] JIT and NGEN Improvements
• [BCL] Updated ZLib
• [BCL] Reducing FIPS Impact on Cryptography
• [WinForms] Accessibility Enhancements
• [WCF] Service Behavior Enhancements
• [WPF] High DPI Enhancements, UIAutomation Improvements 

the .NET Core April 2019 Update. These updates contain security and reliability fixes.  

Let’s dive in and see what’s new in TypeScript 3.4!

- Faster subsequent builds with the --incremental flag
- Higher order type inference from generic functions
- Improvements for ReadonlyArray and readonly tuples
- const assertions
- Type-checking for globalThis
- Convert parameters to destructured object
- Breaking changes 

Announcing TypeScript 3.4 RC 

Bootstrap v4.3 has landed with over 120 combined closed issues and merged pull requests. This release brings improvements to our utilities, some prep work for moving on to v5’s development, and the standard bug fixes and documentation updates. 

What's new in TypeScript 3.3 RC

1. Improved behavior for calling union types
   
2. Incremental file watching for composite projects in --build --watch
   

.NET Core 2.2.1 release carries both security and non-security fixes. 

This bug-fix update resolves the following issues:

ReSharper Build couldn’t build a project if MSBuild was installed as part of Visual Studio 2019 Preview 1 (RSRP-472694).
Visual Studio froze on JavaScript debugging (RSRP-472802).
Inconsistent default state around ‘Inconsistent Naming‘ inspection (RSRP-472812).
A false positive for NUnit TestCase (RSRP-472787).
Unit test coverage highlighting is not shown for projects targeting .NET Framework 3.5 and lower (DCVR-9525).
False “Cannot convert type” error for Promise in TypeScript.
Find Usages did not process bodies of #define macros when looking for textual occurrences (RSCPP-24977).
“Remove unused parameter” quick-fix was broken in C++ (RSCPP-25094).
 

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.