diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 2d67247e6..f41266f32 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -6,8 +6,8 @@
 
 ---
 
-### Make sure you are using the *latest* version: run `youtube-dl --version` and ensure your version is *2018.09.08*. If it's not, read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected.
-- [ ] I've **verified** and **I assure** that I'm running youtube-dl **2018.09.08**
+### Make sure you are using the *latest* version: run `youtube-dl --version` and ensure your version is *2018.09.10*. If it's not, read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected.
+- [ ] I've **verified** and **I assure** that I'm running youtube-dl **2018.09.10**
 
 ### Before submitting an *issue* make sure you have:
 - [ ] At least skimmed through the [README](https://github.com/rg3/youtube-dl/blob/master/README.md), **most notably** the [FAQ](https://github.com/rg3/youtube-dl#faq) and [BUGS](https://github.com/rg3/youtube-dl#bugs) sections
@@ -36,7 +36,7 @@ Add the `-v` flag to **your command line** you run youtube-dl with (`youtube-dl
 [debug] User config: []
 [debug] Command-line args: [u'-v', u'http://www.youtube.com/watch?v=BaW_jenozKcj']
 [debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
-[debug] youtube-dl version 2018.09.08
+[debug] youtube-dl version 2018.09.10
 [debug] Python version 2.7.11 - Windows-2003Server-5.2.3790-SP2
 [debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
 [debug] Proxy map: {}
diff --git a/ChangeLog b/ChangeLog
index ac95c9b71..d184f69ee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+version 2018.09.10
+
+Core
++ [utils] Properly recognize AV1 codec (#17506)
+
+Extractors
++ [iprima] Add support for prima.iprima.cz (#17514)
++ [tele5] Add support for tele5.de (#7805, #7922, #17331, #17414)
+* [nbc] Fix extraction of percent encoded URLs (#17374)
+
+
 version 2018.09.08
 
 Extractors
diff --git a/docs/supportedsites.md b/docs/supportedsites.md
index f0d6be901..9b8601751 100644
--- a/docs/supportedsites.md
+++ b/docs/supportedsites.md
@@ -847,6 +847,7 @@
  - **techtv.mit.edu**
  - **ted**
  - **Tele13**
+ - **Tele5**
  - **TeleBruxelles**
  - **Telecinco**: telecinco.es, cuatro.com and mediaset.es
  - **Telegraaf**
diff --git a/test/test_utils.py b/test/test_utils.py
index 8da5ccc56..9e28e008f 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -785,6 +785,10 @@ class TestUtil(unittest.TestCase):
             'vcodec': 'h264',
             'acodec': 'aac',
         })
+        self.assertEqual(parse_codecs('av01.0.05M.08'), {
+            'vcodec': 'av01.0.05M.08',
+            'acodec': 'none',
+        })
 
     def test_escape_rfc3986(self):
         reserved = "!*'();:@&=+$,/?#[]"
diff --git a/youtube_dl/extractor/iprima.py b/youtube_dl/extractor/iprima.py
index 3c4b7e48b..1d58d6e85 100644
--- a/youtube_dl/extractor/iprima.py
+++ b/youtube_dl/extractor/iprima.py
@@ -12,7 +12,7 @@ from ..utils import (
 
 
 class IPrimaIE(InfoExtractor):
-    _VALID_URL = r'https?://play\.iprima\.cz/(?:.+/)?(?P<id>[^?#]+)'
+    _VALID_URL = r'https?://(?:play|prima)\.iprima\.cz/(?:.+/)?(?P<id>[^?#]+)'
     _GEO_BYPASS = False
 
     _TESTS = [{
@@ -33,6 +33,14 @@ class IPrimaIE(InfoExtractor):
         # geo restricted
         'url': 'http://play.iprima.cz/closer-nove-pripady/closer-nove-pripady-iv-1',
         'only_matching': True,
+    }, {
+        # iframe api.play-backend.iprima.cz
+        'url': 'https://prima.iprima.cz/my-little-pony/mapa-znameni-2-2',
+        'only_matching': True,
+    }, {
+        # iframe prima.iprima.cz
+        'url': 'https://prima.iprima.cz/porady/jak-se-stavi-sen/rodina-rathousova-praha',
+        'only_matching': True,
     }]
 
     def _real_extract(self, url):
@@ -42,7 +50,10 @@ class IPrimaIE(InfoExtractor):
 
         webpage = self._download_webpage(url, video_id)
 
-        video_id = self._search_regex(r'data-product="([^"]+)">', webpage, 'real id')
+        video_id = self._search_regex(
+            (r'<iframe[^>]+\bsrc=["\'](?:https?:)?//(?:api\.play-backend\.iprima\.cz/prehravac/embedded|prima\.iprima\.cz/[^/]+/[^/]+)\?.*?\bid=(p\d+)',
+             r'data-product="([^"]+)">'),
+            webpage, 'real id')
 
         playerpage = self._download_webpage(
             'http://play.iprima.cz/prehravac/init',
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index bcfb72d43..e84d35d4d 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -2477,7 +2477,7 @@ def parse_codecs(codecs_str):
     vcodec, acodec = None, None
     for full_codec in splited_codecs:
         codec = full_codec.split('.')[0]
-        if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2', 'h263', 'h264', 'mp4v', 'hvc1'):
+        if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2', 'h263', 'h264', 'mp4v', 'hvc1', 'av01'):
             if not vcodec:
                 vcodec = full_codec
         elif codec in ('mp4a', 'opus', 'vorbis', 'mp3', 'aac', 'ac-3', 'ec-3', 'eac3', 'dtsc', 'dtse', 'dtsh', 'dtsl'):
diff --git a/youtube_dl/version.py b/youtube_dl/version.py
index 716d9ffe0..b078c4993 100644
--- a/youtube_dl/version.py
+++ b/youtube_dl/version.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-__version__ = '2018.09.08'
+__version__ = '2018.09.10'