# Unreal Engine 5.5 Released

**URL:** <https://forums.unrealengine.com/t/unreal-engine-5-5-released/2117936>\
**Category:** Announcements\
**Tags:** unreal-engine\
**Created:** [November 12, 2024, 4:32pm UTC](https://forums.unrealengine.com/t/unreal-engine-5-5-released/2117936 "2024-11-12T16:32:05Z")\
**Posts on this page:** 1\
**Showing post:** 177

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**Author:** ![3S\_Interactive](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/3s_interactive/32/499107_2.png) [@3S\_Interactive](https://forums.unrealengine.com/u/3S_Interactive)\
**Post date:** [December 30, 2024, 5:41pm UTC](https://forums.unrealengine.com/t/unreal-engine-5-5-released/2117936/177 "2024-12-30T17:41:36Z")

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Other weird 5.5.1 bugs involving HISMs:

> [@Hierarchical Instanced Static Mesh (HISM) not rendering in 5.5.1 until Editor UI is clicked](https://forums.unrealengine.com/t/hierarchical-instanced-static-mesh-hism-not-rendering-in-5-5-1-until-editor-ui-is-clicked/2233601):
>
> Summary Hierarchical Instanced Static Mesh (HISM) issue in 5.5.1 HISM models not rendering until the UE editor viewport border is resized, clicked, or an editor UI element is clicked. Please select what you are reporting on: Creative What Type of Bug are you experiencing? Assets Steps to Reproduce Presumably, developers have access to my Marketplace asset (Floxy v1.05). If so, (1) open the ‘Floxy Stress Testing’ map (2) Press PLAY and enable the ‘Show UI’ check box (3) With the default [N…

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