| Reference | Summary | Fixed also with |
| ACI0105906 | 4D WebSocket server not forwarding messages to worker reliably | 21 20.8 HF1 |
|---|---|---|
| ACI0105969 | 4D Server may crash with network component QUIC when closing client connections. | 21 |
| ACI0105994 | In combo box, 'On After Edit' event is not fired when typing Japanese text and validating it with Return key. | 21 |
| ACI0106020 | The command 'License info' executed from a Web process, and another process accessing the menu bar may crash the application because of a bug of missing mutual exclusion (menu bar updated twice at the same time) | 20.8 HF1 |
| ACI0106026 | License problem when building a server headless using build4D component and toold4D | 21 |
| ACI0106038 | Windows introduced a feature that smooths image edges on buttons by adding lighter pixels. However, when using PNGs with multiple states, this edge-smoothing can bleed into adjacent states, causing visible lines above or below the button image. | 21 |
| ACI0106039 | A synchronization problem within a listbox object can cause the application to quit unexpectedly. This can occur with simultaneous actions such as adding/removing rows, entering data into a cell, and executing the command 'OBJECT SET SCROLL POSITION' | 21 20.8 HF1 |
| ACI0106040 | 4D Write Pro: It may crash when simulated keyboard input is performed in a Write Pro document; since minor version macOS 26.1 (no problem with 26.0.1). | 21 20.8 HF1 |
| ACI0106042 | Possible crash on client side while cloning a non-shared collection part of a shared graph | 21 20.8 HF1 |
| ACI0106043 | The property 'urlQuery' of IncomingMessage in HTTPHandler wrongly decoded when url query value contain "%3D". | 21 |
| ACI0106054 | On macOS 26 (Tahoe), when you right-click 4D in the dock and choose “Show All Windows”, a ghost window appears. | 21 |
| ACI0106058 | Inconsistency between ARRAY TO LIST / LIST TO ARRAY in Project mode compare to Binary mode. One is diacritic, the other one not. | 21 |
| ACI0106061 | 4D crashes when calling '.getMails' using the new IMAP transporter. The issue occurs when requesting a large amount of mails to load (for example 500). | 21 |
| ACI0106066 | Potential crash when the server administration window shows some information about a "dying" process. Closing that window is a workaround. | 21 |
| ACI0106085 | With a binary database, you can't generate a built component | 21 |
| ACI0106090 | When you add a folder in the explorer the folder is created but the list isn't automatically deployed, and the new folder name isn't edited. | 21 |