# CHANGELOG: February 25 / Hierarchical Lists (beta), some improvements **URL:** \ **Category:** Changelog\ **Created:** [February 25, 2021, 5:35pm UTC](https://community.fibery.io/t/changelog-february-25-hierarchical-lists-beta-some-improvements/1403 "2021-02-25T17:35:55Z")\ **Posts on this page:** 1\ **Showing post:** 28
**Author:** ![Chr1sG](https://sea2.discourse-cdn.com/flex020/user_avatar/community.fibery.io/chr1sg/32/3941_2.png) [@Chr1sG](https://community.fibery.io/u/Chr1sG)\ **Post date:** [June 7, 2021, 6:16am UTC](https://community.fibery.io/t/changelog-february-25-hierarchical-lists-beta-some-improvements/1403/28 "2021-06-07T06:16:08Z")
Not currently. > [@\[DONE\] Many-to-many relationships should be usable for levels in lists](https://community.fibery.io/t/many-to-many-relationships-should-be-usable-for-levels-in-lists/1624/2): > > Hi, Jean! The paradox is that an entity can have two parents in such situations. And it’s like with many to many - a lot of questions rendering. By the way, we can formulate the limitations of our hierarchies as follows: there is only one parent for an entity. This also explains why only the top type can be self-nested. Some cases are also limited by our lack of polymorphic relations, as far as I can see your child Entity can have only one parent at the same time, but there is a possibility f… --- _[View the full topic](https://community.fibery.io/t/changelog-february-25-hierarchical-lists-beta-some-improvements/1403)._