Fix WebView process termination retry loop

CHANGELOG.md

@@ -16,6 +16,7 @@ The changelog for `SuperwallKit`. Also see the [releases](https://github.com/sup
 - Fixes a rare issue where a user's subscription could remain active after a refund, preventing paywalls from being shown.
 - Fixes trial eligibility for Stripe products.
 - Fixes an issue where `transaction_complete` could be missing transaction information when a crossgrade occurred while using a purchase controller.
+- Fixes terminated webviews refreshing in a loop on low RAM devices.
 
 ## 4.14.0
 

Sources/SuperwallKit/Paywall/View Controller/Web View/SWWebView.swift

@@ -11,6 +11,7 @@ import WebKit
 
 protocol SWWebViewDelegate: AnyObject {
   var info: PaywallInfo { get }
+  var isActive: Bool { get }
   func webViewDidFail()
 }
 
@@ -44,14 +45,8 @@ class SWWebView: WKWebView {
   private let isOnDeviceCacheEnabled: Bool
   private var completion: ((Error?) -> Void)?
   private let enableIframeNavigation: Bool
-
-  /// Tracks the number of times the WebView process has terminated and been reloaded.
-  /// Used to prevent infinite reload loops on memory-constrained devices.
-  private var processTerminationRetryCount = 0
-
-  /// Maximum number of automatic reloads after process termination.
-  /// After this limit, the WebView will be reloaded when presented instead.
-  private let maxProcessTerminationRetries = 1
+  private var activeProcessTerminationRetryCount = 0
+  private let maxActiveProcessTerminationRetries = 3
 
   init(
     isMac: Bool,
@@ -153,6 +148,7 @@ class SWWebView: WKWebView {
   }
 
   func loadURL(from paywall: Paywall) async {
+    activeProcessTerminationRetryCount = 0
     let didLoad = await loadingHandler.loadURL(
       paywallUrlConfig: paywall.urlConfig,
       paywallUrl: paywall.url
@@ -242,8 +238,7 @@ extension SWWebView: WKNavigationDelegate {
   }
 
   func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
-    // Reset retry count on successful load
-    processTerminationRetryCount = 0
+    activeProcessTerminationRetryCount = 0
     completion?(nil)
   }
 
@@ -264,15 +259,14 @@ extension SWWebView: WKNavigationDelegate {
   }
 
   func webViewWebContentProcessDidTerminate(_ webView: WKWebView) {
-    // Only reload if we haven't exceeded the retry limit.
-    // This prevents infinite reload loops on memory-constrained devices
-    // where iOS keeps terminating the WebView process.
-    if processTerminationRetryCount < maxProcessTerminationRetries {
-      processTerminationRetryCount += 1
+    if delegate?.isActive == true,
+      activeProcessTerminationRetryCount < maxActiveProcessTerminationRetries {
+      activeProcessTerminationRetryCount += 1
       webView.reload()
+    } else if delegate?.isActive == true {
+      loadingHandler.didFailToLoad = true
+      delegate?.webViewDidFail()
     } else {
-      // Mark as failed so the WebView will be reloaded when presented again
-      // via PaywallViewController.viewWillAppear checking didFailToLoad.
       loadingHandler.didFailToLoad = true
     }