1 files changed, 28 insertions, 0 deletions
diff --git a/user/firefox-esr/without-jit.patch b/user/firefox-esr/without-jit.patch
new file mode 100644
index 000000000..dff372ec0
--- /dev/null
+++ b/user/firefox-esr/without-jit.patch
@@ -0,0 +1,28 @@
+diff -r 81fc811c3c39 toolkit/components/translations/actors/TranslationsParent.sys.mjs
+--- a/toolkit/components/translations/actors/TranslationsParent.sys.mjs Thu Aug 08 21:26:29 2024 -0700
++++ b/toolkit/components/translations/actors/TranslationsParent.sys.mjs Sat Aug 10 16:45:13 2024 -0700
+@@ -618,16 +618,25 @@
+    * Detect if Wasm SIMD is supported, and cache the value. It's better to check
+    * for support before downloading large binary blobs to a user who can't even
+    * use the feature. This function also respects mocks and simulating unsupported
+    * engines.
+    *
+    * @type {boolean}
+    */
+   static getIsTranslationsEngineSupported() {
++    try {
++      // Ensure WebAssembly is supported and enabled (may not be on tier-3).
++      if (!WebAssembly) {
++        return false;
++      }
++    } catch(e) {
++      return false;
++    }
++
+     if (lazy.simulateUnsupportedEnginePref) {
+       // Use the non-lazy console.log so that the user is always informed as to why
+       // the translations engine is not working.
+       console.log(
+         "Translations: The translations engine is disabled through the pref " +
+           '"browser.translations.simulateUnsupportedEngine".'
+       );