How to increase displayable tasks in planning gantt?

Hello

There is a hat project which contains several other hat projects (e.g. for teams) which contains projects and subprojects with activities etc.
Since the update to V9.5.4 the list in gantt views stops and shows "list is truncated to 2000 first items"

If all the groups are colapsed not even the third hat project is shown (because of so many sub items...)
If there is a filter applied, the one is applied to the 2000 objects in list, which makes the message of the truncated 2000 vanish but the other projects still don't appear...

How to increase the limit of shown elements in gantt, (or even disable this option?)

Regards
 

Thank you for the feedback.
Would it be possible to add it in "Global parameters" --> Display, similar like max items to display in Today lists?
Or make it even a User parameter.

e.g.:
max items to display in Gantt view