Studio stops responding when copying and pasting KeyframeSequences

Bug Reports Studio Bugs
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1

When copying and pasting KeyframeSequence instances, Roblox Studio freezes for a long time when the instance it pasted. I copy/paste KeyframeSequences often, and this did not used to happen. I first noticed it today (August 11th 2025).

Steps:

1: Go to ServerStorage → RBX_ANIMSAVES → ObjectValue “Rig”
2: Copy all of the KeyframeSequence instances parented to Rig
3. Paste all of them into ServerStorage → RBX_ANIMSAVES → ObjectValue “Rig2”

Roblox Studio stops responding for a while while it’s pasting. Pasting KeyframeSequences did not used to have long loading times and used to paste immediately. This is very noticeable in place files that have dozens of rigs with hundreds of KeyframeSequences, and I am experiencing several minutes of studio not responding.

A private message is associated with this bug report

2

Hi Shiny Griffin,
I just tried to repro this using your provided place and it works just fine for me on my M2 mac. The copy paste is instant from Rig to Rig2. I’m going to close as can’t reproduce for now. Please let us know if this persists. I’m using version 688.

1 Like
3

Hi! I was having this problem a few weeks ago but I have tested it again and it’s not happening anymore.