My minecraft launcher sends me an error message saying that launching the game failed when I tried to launch 1.19 offline(without wifi). Launching the game works perfectly fine with 1.18 while offline.
Failed to download file.
Name: af_za.json
URL: https://resources.download.minecraft.net/0a/0aa302f32dec004145cbdb8d1de4a1378676d22d
Error details: Could not resolve host: resources.download.minecraft.net
Filename on disk: 0aa302f32dec004145cbdb8d1de4a1378676d22d
Path: /Users/Joe/Library/Application Support/minecraft/assets/objects/0a/0aa302f32dec004145cbdb8d1de4a1378676d22d
Exists: Nonexistent