From a3f6bfe621b14a4150f169e97dd91dbac8ec2fb3 Mon Sep 17 00:00:00 2001
From: Brent Simmons <brent@ranchero.com>
Date: Tue, 16 Apr 2024 22:36:29 -0700
Subject: [PATCH] Add main thread assertion in notification handler.

---
 Images/Sources/Images/Favicons/FaviconDownloader.swift | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Images/Sources/Images/Favicons/FaviconDownloader.swift b/Images/Sources/Images/Favicons/FaviconDownloader.swift
index 542f88de3..dbc467342 100644
--- a/Images/Sources/Images/Favicons/FaviconDownloader.swift
+++ b/Images/Sources/Images/Favicons/FaviconDownloader.swift
@@ -163,6 +163,8 @@ public protocol FaviconDownloaderDelegate {
 
 	@objc func didLoadFavicon(_ note: Notification) {
 
+		assert(Thread.isMainThread)
+		
 		guard let singleFaviconDownloader = note.object as? SingleFaviconDownloader else {
 			return
 		}