# Parallel behavior?

**URL:** <https://community.fibery.io/t/parallel-behavior/9628>\
**Category:** Bugs & Issues\
**Created:** [September 19, 2025, 8:30pm UTC](https://community.fibery.io/t/parallel-behavior/9628 "2025-09-19T20:30:45Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![myg\_ge](https://sea2.discourse-cdn.com/flex020/user_avatar/community.fibery.io/myg_ge/32/12457_2.png) [@myg\_ge](https://community.fibery.io/u/myg_ge)\
**Post date:** [September 19, 2025, 8:30pm UTC](https://community.fibery.io/t/parallel-behavior/9628/1 "2025-09-19T20:30:45Z")

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Not sure how to name this amazing bug? properly. I opened 2 browser windows with 2 different records of the same db. When I switch between pinned filters in either one of them, exactly the same switching happens in the other browser window. Is this a bug of a feature?

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**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:** [September 20, 2025, 7:48am UTC](https://community.fibery.io/t/parallel-behavior/9628/2 "2025-09-20T07:48:39Z")

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> [@myg\_ge](#):
>
> When I switch between pinned filters in either one of them, exactly the same switching happens in the other browser window.

Correctly speaking, those aren’t pinned filters but alternative relation views, and it is expected behaviour that choosing a view in one window causes that view to also be selected in other windows.

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**Author:** ![myg\_ge](https://sea2.discourse-cdn.com/flex020/user_avatar/community.fibery.io/myg_ge/32/12457_2.png) [@myg\_ge](https://community.fibery.io/u/myg_ge)\
**Post date:** [September 20, 2025, 12:06pm UTC](https://community.fibery.io/t/parallel-behavior/9628/3 "2025-09-20T12:06:34Z")

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> [@Chr1sG](#):
>
> and it is expected behaviour that choosing a view in one window causes that view to also be selected in other windows.

Hmm. Sounds weird. What was the logic behind this?

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**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:** [September 20, 2025, 12:26pm UTC](https://community.fibery.io/t/parallel-behavior/9628/4 "2025-09-20T12:26:15Z")

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For performance reasons, it’s easier to store the preferred relation view once (for all entities in the same db, irrespective of what window you’re opening).  
Otherwise, we’d need to store each user’s preference per entity and per browser window.

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**Author:** ![myg\_ge](https://sea2.discourse-cdn.com/flex020/user_avatar/community.fibery.io/myg_ge/32/12457_2.png) [@myg\_ge](https://community.fibery.io/u/myg_ge)\
**Post date:** [September 20, 2025, 1:50pm UTC](https://community.fibery.io/t/parallel-behavior/9628/5 "2025-09-20T13:50:58Z")

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Not a solution though for me. Sounds like a cost efficient trade off. Ok, got it.