COPA and autoimmune interstitial lung disease-arthritis syndrome: In particular, inactivating mutations in coatomer subunit α (COPA), which mediates retrograde transport from the Golgi to ER, have been shown to drive STING‐dependent inflammation in COPA syndrome (Deng et al, 2020; Lepelley et al, 2020; Kato et al, 2021; Mukai et al, 2021; Steiner et al, 2022).