Awesome! This is a huge feature that will make any kind of experience that deals with scaling models much easier, thanks for your diligent work on it!
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Any roadmap or estimate on when animations can be scaled with script live?
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When ScaleTo releases on production. Everything is in place for a full release when the next mobile force update happens, so not that far away.
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just switched my gamesâ scaling to use the new scaleto, only to find out its not accessible yet 
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Your question has already been replied to previously:
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oh my bad, thank you very much!
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Currently, adding parts to a model thatâs scaled down or up doesnât scale the parts accordingly. Are there any plans to change that, or will it be up to the dev, whether they wish to do so, to scale down the partâs size manually before inserting it to the model?
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Short answer: Scaling is always going to be a one-shot action.
Long answer:
The Roblox engine fundamentally has a very direct âWhat you see is what you getâ style. If you have an Instance, it isnât going to move or change size, or otherwise change appearance unless you explicitly tell it to do so, which is always eventually done though changing its properties (though possibly through an intermediary API call like this one)
As such scaling currently (and likely always will) takes the form of a one-shot action which scales the subject Instances by modifying their properties, rather than being a continuously applied scale transform that applies to whatever happens to be under the scaled hierarchy.
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So I know that we need to scale tools manually, but how do animations work in that case?
Say I have a tool that has some parts rigged with Motor6Ds, the character holding the tool has its scale set to 2, and the tool has not been scaled at all. What happens? Does the animation on the rigged tool parts also get scaled? Or do they remain the same?
The scale of the Model the Animator is rooted under is the scale that gets used for the animation being played on that Animator.
So if you had a separate animator under the tool then that would use the Toolâs scale factor, not the Characterâs one.
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Is there any time frame on when this will be released in live experiences? Really excited to use it.
Speak of the devil!
The beta feature has just been rolled out to 100% of Studio users and Iâll be enabling the API on production this Wednesday the 7th if no unexpected crashes come up.
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Model:ScaleTo and Model:GetScale are now live on production, enjoy!
The beta will remain active in Studio at 100% rollout for a while longer in case anyone runs into tooling issues and needs to opt out to work around them.
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Will I run into performance issues with tweening ScaleTo? (Or if tweening isnât possible, running it many times per second to give the effect of it tweening)
Yes and no, but mostly yes, youâll see performance issues.
You can use it to tween scale of simple objects, and probably even get away with tweening scale of a Character in real-time if you do it on the client, but the API is designed for consistency / ease of use purposes, not for efficiency.
If you couldnât scale something efficiently enough before with raw property sets ScaleTo will not be significantly more efficient than that was, because ScaleTo is still setting the same properties underneath, just avoiding some of the overhead that came from the Lua reflection.
What you definitely canât do is tween scale of something significantly complex on the server because that will spam the network with way too many property replications causing network lag.
One day the API may be upgraded to do better network replication and efficiency wise but for now it still does the same property sets as anything else underneath.
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Will we see a feature to remove certain instances or properties that are affected by :ScaleTo? Itâs especially annoying that it changes the WalkSpeed and JumpPower of humanoids.
In my game, setting a characterâs scale to anything other than 1 results in AssemblyLinearVelocity to not work as effectively as it should, however manually changing the size of the player without changing scale doesnât do this at all.
The player characters in my game have everything set to massless except the HumanoidRootPart.
Thanks for the report. Iâll look into it, that isnât something that I would expect to be an issue.
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On desktop Iâm able to use ScaleTo() just fine, however on mobile it errors in console with âScaleTo is not enabled yetâ
Am I missing something?
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Came here to comment the same thing, was working fine yesterday on mobile but appears to be not working today. Was it temporarily disabled? I feel less confident using the feature for my live game if I canât be certain it will always be enabled
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