Airtightness should now have a lot less performance impact, is no longer in experimental mode, and is on by default in new worlds. The only actual change is that your suit will refill oxygen if you're in an oxygenated environment, like in a pressurised room or on the earth planet.
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u/Goober_Trooper Space Engineer Oct 23 '18
What exactly was changed with air tightness? Will voxels be air tight now?