Original conversation in Iris Discord
https://discord.com/channels/774352792659820594/936882580295401512/937684905045946378

• Is this only present you just joined a world?
• Is this not present without this mod?
• Have you tested full screen?
• Does it persist throughout other worlds/servers?

After a little testing the lag spikes only do seem to happen when a first join a world

• It seems like it
• Yes
• Yes (no difference)
• Yes