Author: Damien Fuzeau

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• Product Owner •Damien Fuzeau has joined the 4D Product team in February 2019. As a Product Owner, he is in charge of writing user stories, then translating them to functional specifications. His job also entails making sure that the feature implementations delivered are meeting the customer needs.Damien is graduated from the University of Nantes in software engineering. He spent more than 23 years in its former company, first as developer (discovering 4D in 1997), and later as engineering manager and software architect. This company is a 4D OEM partner and deployed 4D based business softwares for thousands users, on hundreds servers. So, Damien is used to 4D development and deployment in a multi-language context.
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A New Way to Handle Errors

We’ve recently introduced a new error-handling mechanism using the new throw() command.
This marked the first step towards a new error handling system, positioned as close as possible to the code generating them.
In the next phase with 4D v20 R4, we’re expanding this approach to intercept errors during expression execution.
Let’s delve into the details.

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Structure Definition Export in HTML

Sharing structure definitions with colleagues, users, or customers is simplified through HTML formatting.

In 4D, structure definitions are presented in XML+XSL, which browsers render as HTML for easy human readability and computer-based content parsing.

However, recent browser restrictions prevent local files from using certain external resources unless sourced from the web. To overcome this issue, 4D has now re-factored this export in an HTML+CSS format, providing the option to export either XML as before or directly as HTML.

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Fortifying Security: 4D Embraces OpenSSL 3.1

In an era where data security is paramount, updating security libraries is crucial.
4D v20 has taken a significant step forward by upgrading its OpenSSL library from version 1.1 to 3.1.
This advancement brings forth a multitude of advantages and improvements for 4D developers, enabling them to build applications that are not only highly secure but also exceptionally efficient.
Now, let’s explore these benefits in detail.

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A Tool for 4D Code Execution in CLI

In the development industry, CI/CD has become a standard practice. With each code modification, automated actions such as testing, compilation, building, delivery, and sometimes deployment are generated to ensure the code is high quality and easily integrated into the existing system.

These actions require a tool to execute the necessary code. As 4D developers, we decided to provide a free tool that allows developers to execute elementary actions. This tool is called tool4d, and it streamlines the process of executing necessary actions within the 4D environment.

In this article, we will explore the functionalities of tool4d and how it can be used to enhance your development process.

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Integrate your Own Administration Window for 4D Server

When deploying their applications, some developers want to customize the built-in 4D dialogs to fit their needs. It is especially true for the 4D Server Administration Window where they sometimes want some information and actions to be accessible only for their team and not for their customer administrators.

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New VS Code Editor Features with 4D v20

As usual, a new release, new VS Code extension features for developers who want to view and edit code with this free editor.

4D v20 brings new capabilities to the Visual Studio Code editor through the 4D-Analyzer extension: Say hello to Document Syntax Checking, which will help the developer to type fewer mistakes, Code Folding and Indentation for a better look, and tool4d to allow faster LSP server starting.

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