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
Control server settings, session behavior, connection management, process handling, and runtime configuration to keep client server and web applications stable in production.
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
Moving Forward: Say Goodbye to Legacy Network Layer
At 4D, our mission is to provide you with the most robust and modern tools for your applications. To do that, we sometimes have to let go of the past ...
April 29, 2026
1 min read
ORDA – Handle an event-driven logic during database operations
This feature keeps going on with a new paradigm: handle data in an event-driven way. The 4D 21 provides a complete series of events related to databas...
November 28, 2025
1 min read
ORDA – Permissions – Restrict / allow web access to the resources in one click
Discover here, how, in web processes, you can protect your resources (data + business logic) from malicious accesses and from unauthorized users ... i...
November 27, 2025
1 min read
New Way to Control Your HTTP Responses
Starting with 4D 21, 4D developers can now take full control over HTTP responses using a simple configuration file: HTTPRules.json. Whether you're loo...
October 21, 2025
1 min read
Work and Move with QUIC and Network Switching
What’s more frustrating than losing your 4D Remote connection to the 4D Server while switching networks on the go? Whether you're moving from Etherne...
October 21, 2025
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
ORDA – Constructor and touched event – Detailed behaviour through a network
In this previous blog post, you discovered that ORDA entities can now have a constructor, allowing entity instantiation to follow a complete object-or...
August 25, 2025
1 min read
New Class to Perform UDP Communications
4D 20 R8 introduced the TCPConnection class, bringing an object-oriented, asynchronous way to handle TCP client connections. Then came 4D 20 R9 with t...
July 17, 2025
1 min read