# \[Open Beta\] Procedural On-the-Fly Animation in UE4: iTween!

**URL:** <https://forums.unrealengine.com/t/open-beta-procedural-on-the-fly-animation-in-ue4-itween/10472>\
**Category:** Blueprint\
**Tags:** unreal-engine\
**Created:** [August 31, 2014, 1:18am UTC](https://forums.unrealengine.com/t/open-beta-procedural-on-the-fly-animation-in-ue4-itween/10472 "2014-08-31T01:18:41Z")\
**Posts on this page:** 1\
**Showing post:** 591

<div class="post-metadata">

**Author:** ![JaredTherriault](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jaredtherriault/32/1194499_2.png) [@JaredTherriault](https://forums.unrealengine.com/u/JaredTherriault)\
**Post date:** [June 22, 2026, 1:41am UTC](https://forums.unrealengine.com/t/open-beta-procedural-on-the-fly-animation-in-ue4-itween/10472/591 "2026-06-22T01:41:05Z")

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Hotfix for 5.6-5.8!

This fixes an issue where the editor would crash on stopping PIE with tweens running.  
{  
“engine\_version”: “5.8”,  
“version\_name”: “5.8.2026.09.26”,  
“drive\_link”: “[drive.google.com/file/d/1zHez4bkxn6cQTDC0xcjqNJq422QJJhtb/view](https://drive.google.com/file/d/18RgoptiZsuFF7E0_1KnMT7Dg5iZwLTj1/view?usp=drive_link)”  
},  
{  
“engine\_version”: “5.7”,  
“version\_name”: “5.7.2026.06.21”,  
“drive\_link”: “[drive.google.com/file/d/1J2\_20rpT2HlugdUQVeLhcMOwMAKbhiAP/view](http://drive.google.com/file/d/1J2_20rpT2HlugdUQVeLhcMOwMAKbhiAP/view)”  
},  
{  
“engine\_version”: “5.6”,  
“version\_name”: “5.6.2026.06.21”,  
“drive\_link”: “[drive.google.com/file/d/1G17IDnTAtMOsxauJImAAsDF2o5YA3EJq/view](http://drive.google.com/file/d/1G17IDnTAtMOsxauJImAAsDF2o5YA3EJq/view)”  
}

Edit: Updates the 5.8 link for 5.8.2 compliance

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_[View the full topic](https://forums.unrealengine.com/t/open-beta-procedural-on-the-fly-animation-in-ue4-itween/10472)._