# Long pause when using a control in Cubase VST3 plug-in

**URL:** <https://forum.juce.com/t/long-pause-when-using-a-control-in-cubase-vst3-plug-in/30668>\
**Category:** General JUCE discussion\
**Created:** [December 3, 2018, 10:06am UTC](https://forum.juce.com/t/long-pause-when-using-a-control-in-cubase-vst3-plug-in/30668 "2018-12-03T10:06:21Z")\
**Posts on this page:** 1\
**Showing post:** 9

<div class="post-metadata">

**Author:** ![PluginPenguin](https://sea2.discourse-cdn.com/flex026/user_avatar/forum.juce.com/pluginpenguin/32/10203_2.png) [@PluginPenguin](https://forum.juce.com/u/PluginPenguin)\
**Post date:** [June 10, 2021, 4:03pm UTC](https://forum.juce.com/t/long-pause-when-using-a-control-in-cubase-vst3-plug-in/30668/9 "2021-06-10T16:03:17Z")

</div>

Hey that sounds pretty much like the issue we reported here a few days ago:

> [@Extremely laggy GUI in Cubase 11 / macOS when dragging components – NSViewComponentPeer::toFront seems to be the issue](https://forum.juce.com/t/extremely-laggy-gui-in-cubase-11-macos-when-dragging-components-nsviewcomponentpeer-tofront-seems-to-be-the-issue/46229):
>
> We got a lot of Cubase 11 user reports where the GUI of our recently released plugin becomes extremely laggy – barely usable – when components are dragged around. The beachball appears and depending on the system, it takes up to some seconds until the GUI becomes responsible again. It took us some time to reconstruct this issue, since it does not occur on every machine. After finally finding a mac where the problem appears, profiling revealed that at the timepoints where this happens, the messa…

We talked to the Cubase Developers a bit and there was the assumption that the reason for this issue only occurring with Cubase 11 could be related to the combination of the macOS SDKs both the plugin and Cubase have been built against. We are still seeing this issue on only a limited set of our own macs and didn’t succeed to build a reproducible test plugin that confirms this assumption

---

_[View the full topic](https://forum.juce.com/t/long-pause-when-using-a-control-in-cubase-vst3-plug-in/30668)._
