pushing helm3 charts to registry breaks container registry webui

Summary

Helm 3 has a new experimental feature which allows users to push helm chart to OCI compliant registry. After pushing helm chart to gitlab registry, under the container registry tab, image tags are not shown any more (see attached image), although those images are still pull-able.

Steps to reproduce

  1. Push helm 3 chart to gitlab registry, as per https://v3.helm.sh/docs/topics/registries/ .

Example Project

https://gitlab.com/Ottovsky/java-app-demo

What is the current bug behavior?

Tags are not shown under image name.

What is the expected correct behavior?

Tags should be seen under image name.

Relevant logs and/or screenshots

Please see attached screens.

webui

cli

Output of checks

This bug happens on GitLab.com

Results of GitLab environment info

Expand for output related to GitLab environment info 
(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:env:info)


(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production)

Results of GitLab application Check

Expand for output related to the GitLab application check 
(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)


(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)


(we will only investigate if the tests are passing)

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)