New addons and addon updates for existing addons in the v18 and earlier repositories are no longer accepted. These repositories have been closed, but existing addons in those repositories are still accessible if you are using an older version of Kodi. Of course we urge you to update to a recent version of Kodi.
Only v19 Matrix and later repositories are still active.
The primary reasons for this are:
1. Unmaintained and insecure Python2
2. Team workload
Read more here… https://kodi.tv/article/the-sun-sets-on-python-2/