Fixes.

src/Model/RecordLocale.php

@@ -387,61 +387,22 @@ public function getSourceLocale(): ?Locale
             return null;
         }
 
-        $fallbackLocales = [];
-
         foreach ($this->getLocaleObject()->Fallbacks() as $fallback) {
-            $fallbackLocale = $fallback->Locale;
-            $fallbackLocales[] = $fallbackLocale;
-
-            if (!$record->existsInLocale($fallbackLocale)) {
+            if (!$record->existsInLocale($fallback->Locale)) {
                 continue;
             }
 
             // We found a locale to fall back to, so this will be our source locale
             return $fallback;
         }
 
-        // This model allows fallback to any locale even bypassing the fallback rules,
+        // Noting here that we have another case here that isn't handled correctly
+        // In case this model allows fallback to any locale even bypassing the fallback rules,
         // so we just need to find the most recently updated locale
         // as that's the one which is going to be providing content
-        if ($inheritanceMode === FluentExtension::INHERITANCE_MODE_ANY) {
-            $lastEditedList = ArrayList::create();
-
-            /** @var RecordLocale $localeInformation */
-            foreach ($record->Locales() as $localeInformation) {
-                $locale = $localeInformation->getLocale();
-
-                // Ignore any fallback locales as we've already confirmed that none of these locales
-                // are acting as the source locale
-                if (in_array($locale, $fallbackLocales)) {
-                    continue;
-                }
-
-                $localisedRecord = $localeInformation->getRecord();
-
-                // We don't have any localised data in this locale so this doesn't qualify as a potential source locale
-                if (!$localisedRecord) {
-                    continue;
-                }
-
-                $data = ArrayData::create([
-                    'Locale' => $locale,
-                    'LastEdited' => $localisedRecord->LastEdited,
-                ]);
-
-                $lastEditedList->push($data);
-            }
-
-            // We found at leadt one candidate for the source locale, let's pick the most recently updated one
-            if ($lastEditedList->count() > 0) {
-                $sortedLocales = $lastEditedList
-                    ->sort('LastEdited', 'DESC')
-                    ->column('Locale');
-                $mostRecentlyEditedLocale = array_shift($sortedLocales);
-
-                return Locale::getByLocale($mostRecentlyEditedLocale);
-            }
-        }
+        // This is what we call base record fallback
+        // It's technically possible to figure out which locale the content is coming from but
+        // displaying this information may actually be confusing so just displaying no source might be more helpful
 
         return null;
     }