--- a/mozilla/l10n-changesets_mobile-beta.json
+++ b/mozilla/l10n-changesets_mobile-beta.json
@@ -1,107 +1,111 @@
 {
   "an": {
-    "revision": "cb58bb3e9648",
+    "revision": "339a1a35e1d2",
     "platforms": ["android", "android-multilocale"]
   },
   "ar": {
     "revision": "9c4b301989ca",
     "platforms": ["android"]
   },
   "as": {
     "revision": "866666bf57f0",
     "platforms": ["android", "android-multilocale"]
   },
   "az": {
-    "revision": "3ec33d7e53ad",
+    "revision": "45c06f8b0547",
     "platforms": ["android", "android-multilocale"]
   },
   "be": {
     "revision": "b72077740aac",
     "platforms": ["android", "android-multilocale"]
   },
   "bn-IN": {
     "revision": "e4dd4d7f827a",
     "platforms": ["android", "android-multilocale"]
   },
   "br": {
-    "revision": "46528d44e691",
+    "revision": "2231ae40d361",
     "platforms": ["android", "android-multilocale"]
   },
   "ca": {
-    "revision": "c2545bf16445",
+    "revision": "e5db059a137b",
     "platforms": ["android", "android-multilocale"]
   },
   "cs": {
-    "revision": "ed6d951b2735",
+    "revision": "5346e4ce7d02",
     "platforms": ["android", "android-multilocale"]
   },
   "cy": {
-    "revision": "3682f66168f1",
+    "revision": "071728646197",
     "platforms": ["android", "android-multilocale"]
   },
   "da": {
-    "revision": "67bf2eb14f78",
+    "revision": "5de28a6ff3e3",
     "platforms": ["android", "android-multilocale"]
   },
   "de": {
-    "revision": "d70cec570f68",
+    "revision": "637deb098843",
     "platforms": ["android", "android-multilocale"]
   },
   "dsb": {
-    "revision": "11e4cd26eff8",
+    "revision": "80fcc3fe03e0",
     "platforms": ["android", "android-multilocale"]
   },
   "en-GB": {
     "revision": "7757a36df513",
     "platforms": ["android", "android-multilocale"]
   },
   "eo": {
-    "revision": "c628ee963b23",
+    "revision": "e187db961af8",
     "platforms": ["android", "android-multilocale"]
   },
   "es-AR": {
-    "revision": "8674d98b9622",
+    "revision": "28e1a5ad0c23",
     "platforms": ["android", "android-multilocale"]
   },
   "es-ES": {
-    "revision": "66241168ad53",
+    "revision": "c236db75285d",
     "platforms": ["android", "android-multilocale"]
   },
   "es-MX": {
-    "revision": "8aaafca07dfb",
+    "revision": "018e46d12960",
     "platforms": ["android", "android-multilocale"]
   },
   "et": {
-    "revision": "4db328a2baca",
+    "revision": "84d8615fb371",
     "platforms": ["android", "android-multilocale"]
   },
   "eu": {
-    "revision": "006c6d2a5fd2",
+    "revision": "7c799029f73d",
     "platforms": ["android", "android-multilocale"]
   },
+  "fa": {
+    "revision": "08a5df3946ee",
+    "platforms": ["android"]
+  },
   "ff": {
     "revision": "8373353b43c4",
     "platforms": ["android", "android-multilocale"]
   },
   "fi": {
-    "revision": "b788e25780aa",
+    "revision": "d1f927259077",
     "platforms": ["android", "android-multilocale"]
   },
   "fr": {
-    "revision": "3bd6d91f1290",
+    "revision": "507981730535",
     "platforms": ["android", "android-multilocale"]
   },
   "fy-NL": {
     "revision": "60bd7ed0023e",
     "platforms": ["android", "android-multilocale"]
   },
   "ga-IE": {
-    "revision": "820c016c21a6",
+    "revision": "6d9a4caa745a",
     "platforms": ["android", "android-multilocale"]
   },
   "gd": {
     "revision": "30f47c8b7701",
     "platforms": ["android", "android-multilocale"]
   },
   "gl": {
     "revision": "f2181d25512c",
@@ -115,37 +119,37 @@
     "revision": "5a670981c7e7",
     "platforms": ["android", "android-multilocale"]
   },
   "hsb": {
     "revision": "1a914026dd3d",
     "platforms": ["android", "android-multilocale"]
   },
   "hu": {
-    "revision": "2627fea4de4b",
+    "revision": "900e078418c7",
     "platforms": ["android", "android-multilocale"]
   },
   "hy-AM": {
     "revision": "a884cc44b218",
     "platforms": ["android", "android-multilocale"]
   },
   "id": {
     "revision": "f907a63ea1d1",
     "platforms": ["android", "android-multilocale"]
   },
   "is": {
     "revision": "b31b8bb144eb",
     "platforms": ["android", "android-multilocale"]
   },
   "it": {
-    "revision": "6a530fa0c495",
+    "revision": "29533bf5e96d",
     "platforms": ["android", "android-multilocale"]
   },
   "ja": {
-    "revision": "0e75961a8b32",
+    "revision": "a22e2cafedef",
     "platforms": ["android", "android-multilocale"]
   },
   "kk": {
     "revision": "16da9c4b7cb2",
     "platforms": ["android", "android-multilocale"]
   },
   "kn": {
     "revision": "68d956061947",
@@ -195,37 +199,37 @@
     "revision": "776971b99ebf",
     "platforms": ["android", "android-multilocale"]
   },
   "pa-IN": {
     "revision": "ea9f3f4b3bd9",
     "platforms": ["android", "android-multilocale"]
   },
   "pl": {
-    "revision": "354aaeca4d02",
+    "revision": "9c3a5d9076c6",
     "platforms": ["android", "android-multilocale"]
   },
   "pt-BR": {
     "revision": "76210d4bc012",
     "platforms": ["android", "android-multilocale"]
   },
   "pt-PT": {
-    "revision": "3a6ea78538d4",
+    "revision": "b97dd1e45d67",
     "platforms": ["android", "android-multilocale"]
   },
   "ro": {
     "revision": "8e352ff9ef16",
     "platforms": ["android", "android-multilocale"]
   },
   "ru": {
-    "revision": "ed56aec3908d",
+    "revision": "0f54be08d03a",
     "platforms": ["android", "android-multilocale"]
   },
   "sk": {
-    "revision": "a4cd93ea081a",
+    "revision": "cd6574bd83d6",
     "platforms": ["android", "android-multilocale"]
   },
   "sl": {
     "revision": "42cda593c1b9",
     "platforms": ["android", "android-multilocale"]
   },
   "son": {
     "revision": "8ed54a34d981",
@@ -251,28 +255,28 @@
     "revision": "38b51ad9beba",
     "platforms": ["android", "android-multilocale"]
   },
   "tr": {
     "revision": "43c7c727b762",
     "platforms": ["android", "android-multilocale"]
   },
   "uk": {
-    "revision": "2f3dec2ca792",
+    "revision": "5c38e908bbcf",
     "platforms": ["android", "android-multilocale"]
   },
   "uz": {
     "revision": "9e4c614d46b0",
     "platforms": ["android", "android-multilocale"]
   },
   "xh": {
     "revision": "c09b1fac2c30",
     "platforms": ["android", "android-multilocale"]
   },
   "zh-CN": {
     "revision": "b67602d9ea30",
     "platforms": ["android", "android-multilocale"]
   },
   "zh-TW": {
-    "revision": "f42c68dd7580",
+    "revision": "80295284e4db",
     "platforms": ["android", "android-multilocale"]
   }
 }
\ No newline at end of file

--- a/mozilla/release-fennec-mozilla-beta.py
+++ b/mozilla/release-fennec-mozilla-beta.py
@@ -16,30 +16,30 @@ releaseConfig['messagePrefix']       = '
 
 # Basic product configuration
 #  Names for the product/files
 releaseConfig['productName']         = 'fennec'
 releaseConfig['stage_product']       = 'mobile'
 releaseConfig['appName']             = 'mobile'
 releaseConfig['relbranchPrefix']     = 'MOBILE'
 #  Current version info
-releaseConfig['version']             = '38.0b10'
-releaseConfig['appVersion']          = '38.0'
+releaseConfig['version']             = '39.0b1'
+releaseConfig['appVersion']          = '39.0'
 releaseConfig['milestone']           = releaseConfig['appVersion']
-releaseConfig['buildNumber']         = 2
-releaseConfig['baseTag']             = 'FENNEC_38_0b10'
+releaseConfig['buildNumber']         = 1
+releaseConfig['baseTag']             = 'FENNEC_39_0b1'
 #  Next (nightly) version info
 releaseConfig['nextAppVersion']      = releaseConfig['appVersion']
 releaseConfig['nextMilestone']       = releaseConfig['milestone']
 #  Repository configuration, for tagging
 releaseConfig['sourceRepositories']  = {
     'mobile': {
         'name': 'mozilla-beta',
-        'path': 'releases/mozilla-release',
-        'revision': '257a4e9e8236',
+        'path': 'releases/mozilla-beta',
+        'revision': '31d67ade8354',
         'relbranch': None,
         'bumpFiles': {
             'mobile/android/confvars.sh': {
                 'version': releaseConfig['appVersion'],
                 'nextVersion': releaseConfig['nextAppVersion']
             },
             'browser/config/version.txt': {
                 'version': releaseConfig['appVersion'],