Please check if the feature has not already been requested.
If not, please describe it

Show group planning on Group View tab
Show group planning in the group view tab like "Personal View" tab, "Your Planning" box, because when we have tasks to do assigned with groups we can't see it on the home screen.

In the tasks appear all the technicians and all the groups in the combo box assign a task, this is a bug?
I noticed a strange behavior in assigning tasks that appears to be a bug.
In the combo box to select user or group that will perform the task appear all the technicians. And on the next button to check the availability is visible only the users that assign the ticket or users no the group that is assigned (this seems to be the correct one)
This bug been reported? Does any new version to fix it? I'm here with GLPI 9.1.4.

Permissions to view only my assets( or objects) or of my group.
There could be a possibility of limiting the Read and/or Change of assets only to "Group in charge of the hardware" or "Technician in charge of the hardware".
Because often the same type of asset (such as computers / servers) can be managed by different teams, and the solution of creating different entities is bad.
The same problem occurs with other objects such as licenses, contracts, documents, etc.

Beta release for minor builds
New major builds have multiple release candidates and beta releases in a attempt to minimise bugs before the stable build is released.
Minor builds on the other hand don't have beta releases and often introduce new bugs.
Can you release a beta release of minor builds a few weeks before the stable build is released?
Myself and other non developers in the GLPI community would be happy to setup a staging site to test compatibility and look for new bugs.

GLPI alerts of not resolved tickets
Notification about not resolved tickets from some entity will sends not to some profile/group/etc., but to the person(technician’s), who are mentioned in ticket, like an assigned to, or to entity/group administrator. And only those tickets, which already due date expired.

A new status called Reopened tickets
It would be nice if we have a new ticket status called reopened for all reopen tickets

A a new state for assets : archived
Add the possibility to archive an item.
An archive is a new state, as it is for deleted items.
The simple way is to add a is_archived field, and filter the view in the asset's search engine.

Integrate ticket survey plugin into the core
It is very disadvantageous to move to GLPI 0.90 when this plugin is activitated in a previous version and not up to date.

Mark simply tasks done
In 0.90.1, when a task has "To do" status, a empty box represents this status.
I will be nice to change status from "To do" to "Done" with a click on empty box (and vice-versa).

Add/link ticket directly to Virtual Machine (guest) under Computer (host)
Currently it is possible to add/link ticket only to computer (host) even though it's possible to list virtual machines (guests) underneath. It would be great to add/link tickets to those virtual machines (guests).
For example it could be valuable to know how many tickets/troubles are related to which particular virtual machine when looking for repeating problems, problematic VMs and similar.
Hosts could be mixed with Linux/Windows VMs and each of them could be managed be different person so assigning tickets just to host is not enough.
Сервис поддержки клиентов работает на платформе UserEcho