diff -up stack-2.15.7/src/Stack/Config.hs~ stack-2.15.7/src/Stack/Config.hs
--- stack-2.15.7/src/Stack/Config.hs~	2024-05-12 22:50:13.000000000 +0800
+++ stack-2.15.7/src/Stack/Config.hs	2024-08-02 01:21:01.138918479 +0800
@@ -435,9 +435,9 @@ configFromConfigMonoid
           fromFirst Constants.hackageBaseUrl configMonoid.hackageBaseUrl
         hideSourcePaths = fromFirstTrue configMonoid.hideSourcePaths
         recommendUpgrade = fromFirstTrue configMonoid.recommendUpgrade
-        notifyIfNixOnPath = fromFirstTrue configMonoid.notifyIfNixOnPath
-        notifyIfGhcUntested = fromFirstTrue configMonoid.notifyIfGhcUntested
-        notifyIfCabalUntested = fromFirstTrue configMonoid.notifyIfCabalUntested
+        notifyIfNixOnPath = fromFirstFalse configMonoid.notifyIfNixOnPath
+        notifyIfGhcUntested = fromFirstFalse configMonoid.notifyIfGhcUntested
+        notifyIfCabalUntested = fromFirstFalse configMonoid.notifyIfCabalUntested
         notifyIfArchUnknown = fromFirstTrue configMonoid.notifyIfArchUnknown
         noRunCompile = fromFirstFalse configMonoid.noRunCompile
     allowDifferentUser <-
diff -up stack-2.15.7/src/Stack/Types/ConfigMonoid.hs~ stack-2.15.7/src/Stack/Types/ConfigMonoid.hs
--- stack-2.15.7/src/Stack/Types/ConfigMonoid.hs~	2024-05-12 22:50:14.000000000 +0800
+++ stack-2.15.7/src/Stack/Types/ConfigMonoid.hs	2024-08-02 01:20:22.724711778 +0800
@@ -170,11 +170,11 @@ data ConfigMonoid = ConfigMonoid
     -- ^ See 'configHideSourcePaths'
   , recommendUpgrade   :: !FirstTrue
     -- ^ See 'configRecommendUpgrade'
-  , notifyIfNixOnPath  :: !FirstTrue
+  , notifyIfNixOnPath  :: !FirstFalse
     -- ^ See 'configNotifyIfNixOnPath'
-  , notifyIfGhcUntested  :: !FirstTrue
+  , notifyIfGhcUntested  :: !FirstFalse
     -- ^ See 'configNotifyIfGhcUntested'
-  , notifyIfCabalUntested  :: !FirstTrue
+  , notifyIfCabalUntested  :: !FirstFalse
     -- ^ See 'configNotifyIfCabalUntested'
   , notifyIfArchUnknown  :: !FirstTrue
     -- ^ See 'configNotifyIfArchUnknown'
@@ -317,11 +317,11 @@ parseConfigMonoidObject rootDir obj = do
   let styles = fromMaybe mempty $ configMonoidStylesUS <|> configMonoidStylesGB
   hideSourcePaths <- FirstTrue <$> obj ..:? configMonoidHideSourcePathsName
   recommendUpgrade <- FirstTrue <$> obj ..:? configMonoidRecommendUpgradeName
-  notifyIfNixOnPath <- FirstTrue <$> obj ..:? configMonoidNotifyIfNixOnPathName
+  notifyIfNixOnPath <- FirstFalse <$> obj ..:? configMonoidNotifyIfNixOnPathName
   notifyIfGhcUntested <-
-    FirstTrue <$> obj ..:? configMonoidNotifyIfGhcUntestedName
+    FirstFalse <$> obj ..:? configMonoidNotifyIfGhcUntestedName
   notifyIfCabalUntested <-
-    FirstTrue <$> obj ..:? configMonoidNotifyIfCabalUntestedName
+    FirstFalse <$> obj ..:? configMonoidNotifyIfCabalUntestedName
   notifyIfArchUnknown <-
     FirstTrue <$> obj ..:? configMonoidNotifyIfArchUnknownName
   casaOpts <- jsonSubWarnings (obj ..:? configMonoidCasaOptsName ..!= mempty)