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

Field unicity across all itemtypes
The idea would be to have unicity across itemtypes.
For example, an inventory number must be unique, whatever the itemtype.
wawax posted this idea to the project repository and tagged it as an enhancement.

Internal links in the knowledge base articles
It would be very useful to be able to place links in an article in the knowledge base, that lead to another place in the same article. This would make it easier to navigate through a long article, or even to make a table of contents.

Link consumables usage to tickets
It should be possible to link consumables to a ticket (not only to users), so a technician can inform when solving a ticket the ammount of each consumable was needed to solve the issue.

Update Documentation of GLPI
It is really hard to learn how GLPI works. The business model is complicated, and all the documentation is english or french is deprecated

TISAX compliance
Adjust GLPI to TISAX certificate and ISO/IEC 27001 requirements.
GLPI is in 80% inline with TISAX requirements.
Will be super useful for all companies what have to implement TISAX and they already using GLPI.
Tthere is only few point missing in GLPI to be TISAX compliance, like:
E-learing platform
Risk assessments

vulnerability (CVE) list in computers and virtual machines
Hi GLPI devels
I think it will be nice to have in GLPI database an active lsit of vulnerabilities (CVEs) for computers and virtual machines.
GLPI agent or Fusion agent could use debsecan or other system tools to detect vulnerabilities and raport them to GLPI Database.
Searching or making raports from computer assets for active (fixable) CVEs would be very nice

possibilité de laisser un avis sur les plugins
Bonjour,
Je pense que ce serait bien si les personnes peuvent laisser un avis sur les plugins. Cela permet de connaitre les retours des personnes qui l'ont déjà utilisés. Avantages: Inconvénients d'un plugin.

Change the size of an image in email
Is it possible to create a setting to control image sizes?
For now, max image size is 400x300, but it would be great if this size could be customized.
For example, in our organization, all departments except IT do not use the GLPI web interface, and all communication takes place by mail, when someone writes and attaches an image to us, it is so compressed that it is impossible to parse the image, and when we answer the employee and attach the image, the employee can not see the text in the picture.

Add the 'Location' field in changes
Hello,
Today, it is not possible to define a location for a change
Therefore, it is not possible to list all changes for a location. Consequently, we go 2, 3 times to a single place or the users are surprised to see us coming to replace a PC tower without bringing a screen or whatever they are waiting for...
So, I recommend adding the field 'Location' in the changes. It seems to be logical and profitable for the majority
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Merci de m'avoir lu et bonne journée.
Malamort
GLPI 9.2

Ticket validation - Respond via e-mail
I think it might be convenient to validate a request directly in the email using an accept / reject button. Some validators are not very comfortable with the GLPI interface for the validation part.
Customer support service by UserEcho