Live edit Memory bar constantly desynced

Summary

We can no longer see memory updating while we are in live edit and do various actions, it constantly says to push changes to see it, even though live edit is synced correctly (green icon) as seen in the picture

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Live Edit

Steps to Reproduce

Open live edit
Place down a prop

Expected Result

Memory bar on top should update

Observed Result

Memory bar on top does not update unless you push changes (and never syncs)

Platform(s)

PC

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I have this issue too

Looking into this!

Thanks for reaching out!

What you’re seeing with the memory bar not updating during Live Edit is actually expected. While Live Edit does keep everything in sync (as shown by the green icon), the memory bar only reflects the last cooked state of your project — not the live-edited version.

That’s why it asks you to “push changes” to update the memory. It ensures the memory estimate is accurate based on what would actually be deployed.

If this is something you’d like to see changed or have feedback on, we’d definitely encourage that you share that in our feedback section Wert!

I understand the intention behind this, but it’s a disaster for us in terms of development. It’s a huge waste of time if we have to push changes every time we add a prop, if we want to compare two props or simply see how much memory a prop adds, do we have to push? That’s impossible..

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FORT-951122 has been created and its status is ‘Unconfirmed’. This is now in a queue to be reproduced and confirmed.

What LaaBouds said. Live edit waiting is already long and this update just added a significant amount of friction. We add thousands of actors in our maps and we want to see the impact live as we had the past 6 years. Device and even normal prop memory can bug on an update and raise unexpectedly, we cant know that now too. In 2022, Epic had an update where all floor pieces were accidentally had all their instance costs double, which added 50k memory on a single update. With the tools we have today, there is no way to know this happens, but back then you could instantly see the ui tell you that. Memory visualization has lost 3 tools since UEFN and now we lost the main way to know memory live, which literally every UGC editor out there has. I didnt even realize this was a design decision at first because of how lazy and unintuitive it feels.

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