Forget server-side wrappers, use 4D Sessions from the client
Enhance your end users' experience in client-server applications by taking advantage of 4D sessions. Native and automatically created as soon as a use...
April 30, 2026
1 min read
4D Server
Client-server – A new way to execute logic on server
In client-server mode, your logic often requires resources hosted on the server. To run code on the server, you are used to writing dedicated project ...
April 29, 2026
1 min read
Track, Audit, Optimize: Take Control of Your 4D Web Sessions
Since the introduction of scalable sessions, server-side session management has become an important component of modern 4D architectures. These sessio...
October 15, 2025
1 min read
Master HTTP Requests with 4D Request Handlers
In today’s web-driven world, servers process an overwhelming number of requests. Efficiently analyzing, counting, interpreting, and rerouting these re...
February 10, 2025
1 min read
Access Qodly Studio for 4D directly from your 4D server to test and debug your code
Qodly Studio for 4D allows you to extend your 4D applications with web pages. Development is integrated into 4D Developer Edition. During the develop...
October 30, 2024
1 min read
Enhanced Session Storage Access
You can store information in the storage of various session types, such as Client/Server, Web, or Mobile, allowing for easy reuse across different pro...
July 17, 2024
1 min read
Deprecation of the Legacy Network Layer
To handle the communication between 4D Client and 4D Server, 4D proposes 3 different network layers: Legacy, ServerNet, and QUIC. The Legac...
June 5, 2024
1 min read
SSL/TLS: Support for ECDSA certificates
4D uses SSL/TLS to secure client-server communication and HTTP requests. 4D is supporting RSA cryptography since more than a decade and with 4D v20R4 ...
January 16, 2024
1 min read
Developing Concurrently on 4D Server in Project Mode
Since its release in 4D v18, Projects drastically expanded 4D's capabilities by bringing compatibility with version control systems —among other thing...
July 16, 2022
1 min read
Disabling explorers on merged servers
You may want to restrict administrators from accessing the Data Explorer and the Runtime Explorer in your deployed merged servers. 4D v19 R5 enables t...
April 26, 2022
1 min read