Other B4J v7.50 BETA is available for download


B4X founder
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I'm happy to release B4J v7.50 BETA. This update adds the new auto-bookmarks feature.


  • Auto bookmarks feature:

    • Recent code positions and designer layouts appear as tabs in the window title.
    • The IDE decides on the list of tabs based on several factors (recency, modifications and others).
    • The list is saved together with the project and restored when the project is loaded.
    • The window can be dragged directly from the tabs.
  • Ctrl + Click on layout files from the code:


  • Issue with BaseFolder in command line builder fixed.
  • Latest versions of internal libraries are included.
  • Bug fixed.

The beta version can be downloaded here: www.b4x.com/b4j/files/beta.exe


Licensed User
Longtime User
Can auto bookmarks be deactivated?
Perhaps this can be added to the Tools > IDE Options to set it on / off. I'm sure I will get used to it soon enough. My laptop screen is starting to look like The Matrix. :rolleyes:
Can they have a close button so that one can just close them individually/close all if they want?

I'm trying to understand and also remember that search is now in the title bar. This will take me a lot of time to get used to especially with Replace With: which appears lower down.
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Well-Known Member
Licensed User
Longtime User
On B4J launch, I get error Missing Jar File for library : build.xml am i missing something?


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