Don't recheck for updates on configuration change (#3708)

CHANGELOG.md

@@ -11,6 +11,8 @@ The format is a modified version of [Keep a Changelog](https://keepachangelog.co
 - `Other` - for technical stuff.
 
 ## [Unreleased]
+### Fixed
+- Fixed app and extension update check running again on configuration change ([@AntsyLich](https://github.com/AntsyLich)) ([#3708](https://github.com/mihonapp/mihon/pull/3708))
 
 ## [v0.20.4] - 2026-08-05
 ### Fixed

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -259,7 +259,7 @@ class MainActivity : BaseActivity() {
                 HandleOnNewIntent(context = context, navigator = navigator)
 
                 if (!isBenchmarkBuildType) {
-                    CheckForUpdates()
+                    if (isLaunch) CheckForUpdates()
                     ShowOnboarding()
                     ShowDonationCampaign()
                 }