When you're previewing the plugin in the browser and you edit the main code the plugin will reload. This causes the browser preview to display a "Open plugin inside Figma" message briefly. There should be a graceperiod to prevent this from interrupting the dev experience.
When you're previewing the plugin in the browser and you edit the main code the plugin will reload. This causes the browser preview to display a "Open plugin inside Figma" message briefly. There should be a graceperiod to prevent this from interrupting the dev experience.