diff --git a/download.html b/download.html
index 6a0adcd07..dc25e4810 100644
--- a/download.html
+++ b/download.html
@@ -14,15 +14,15 @@
 
 <p>Remember <em>youtube-dl</em> requires <a href="http://www.python.org/">Python</a> version 2.6, 2.7, or 3.2+ to work except for Windows exe.</p>
 
-<p><a href="https://yt-dl.org/downloads/2019.03.18/youtube-dl.exe">Windows exe</a> requires <a href="https://www.microsoft.com/en-US/download/details.aspx?id=5555">Microsoft Visual C++ 2010 Redistributable Package (x86)</a> and does not require Python that is already embedded into the binary.</p>
+<p><a href="https://yt-dl.org/downloads/2019.04.01/youtube-dl.exe">Windows exe</a> requires <a href="https://www.microsoft.com/en-US/download/details.aspx?id=5555">Microsoft Visual C++ 2010 Redistributable Package (x86)</a> and does not require Python that is already embedded into the binary.</p>
 
-<h2><a href="https://yt-dl.org/downloads/2019.03.18/youtube-dl">2019.03.18</a> (<a href="https://yt-dl.org/downloads/2019.03.18/youtube-dl.sig">sig</a>)</h2>
+<h2><a href="https://yt-dl.org/downloads/2019.04.01/youtube-dl">2019.04.01</a> (<a href="https://yt-dl.org/downloads/2019.04.01/youtube-dl.sig">sig</a>)</h2>
 
-<p><strong>SHA256</strong>: e573bdac3232bd7f5b72bfb347cc310f6c1b0869cea8288c4cce1e56f60aed00</p>
+<p><strong>SHA256</strong>: 562ba76be2b649890314f733ff81588bedd07f129d4de323752fd80ac45919a3</p>
 
 <p>
-	<a href="https://yt-dl.org/downloads/2019.03.18/youtube-dl.exe">Windows exe</a> (<a href="https://yt-dl.org/downloads/2019.03.18/youtube-dl.exe.sig">sig</a> - SHA256 fd5a2129475519fa85675dd59daa90f08c73e9b246dab54cfa8fdcd066e3e2b0)<br>
-	<a href="https://yt-dl.org/downloads/2019.03.18/youtube-dl-2019.03.18.tar.gz">Full source + docs + binary tarball</a> (<a href="https://yt-dl.org/downloads/2019.03.18/youtube-dl-2019.03.18.tar.gz.sig">sig</a> - SHA256 074688b416e97aff5ae9ce3764e313b9d6433bb34a16b206775fbc37e4c16164)
+	<a href="https://yt-dl.org/downloads/2019.04.01/youtube-dl.exe">Windows exe</a> (<a href="https://yt-dl.org/downloads/2019.04.01/youtube-dl.exe.sig">sig</a> - SHA256 4baa12aab0294e368875592103b88210e2f3b76d1e574e5e1b3c03241a6a90d4)<br>
+	<a href="https://yt-dl.org/downloads/2019.04.01/youtube-dl-2019.04.01.tar.gz">Full source + docs + binary tarball</a> (<a href="https://yt-dl.org/downloads/2019.04.01/youtube-dl-2019.04.01.tar.gz.sig">sig</a> - SHA256 55833cc88532d1b9b16a5a808da7879857eff1b3d0eeee57cf08810b2601306b)
 </p>
 
 <p>To install it right away for all UNIX users (Linux, OS X, etc.), type:
diff --git a/supportedsites.html b/supportedsites.html
index 9b391a54e..ecc332d11 100644
--- a/supportedsites.html
+++ b/supportedsites.html
@@ -503,6 +503,7 @@
 	<li><b>Medialaan</b></li>
 	<li><b>Mediaset</b></li>
 	<li><b>Mediasite</b></li>
+	<li><b>MediasiteCatalog</b></li>
 	<li><b>Medici</b></li>
 	<li><b>megaphone.fm</b>: megaphone.fm embedded players</li>
 	<li><b>Meipai</b>: 美拍</li>
@@ -884,6 +885,7 @@
 	<li><b>teachertube:user:collection</b>: teachertube.com user and collection videos</li>
 	<li><b>TeachingChannel</b></li>
 	<li><b>Teamcoco</b></li>
+	<li><b>TeamTreeHouse</b></li>
 	<li><b>TechTalks</b></li>
 	<li><b>techtv.mit.edu</b></li>
 	<li><b>ted</b></li>
diff --git a/update/LATEST_VERSION b/update/LATEST_VERSION
index c6098a3d7..2512e092c 100644
--- a/update/LATEST_VERSION
+++ b/update/LATEST_VERSION
@@ -1 +1 @@
-2019.03.18
\ No newline at end of file
+2019.04.01
\ No newline at end of file
diff --git a/update/releases.atom b/update/releases.atom
index c0e3dc3ac..e04a89900 100644
--- a/update/releases.atom
+++ b/update/releases.atom
@@ -3,7 +3,7 @@
     <link rel="self" href="http://ytdl-org.github.io/youtube-dl/update/releases.atom" />
     <title>youtube-dl releases</title>
     <id>https://yt-dl.org/feed/youtube-dl-updates-feed</id>
-    <updated>2019-03-18T01:52:58.214253Z</updated>
+    <updated>2019-04-01T23:56:53.342104Z</updated>
     
 	<entry>
 	    <id>https://yt-dl.org/feed/youtube-dl-updates-feed/youtube-dl-2012.02.22</id>
@@ -13370,4 +13370,19 @@
 	    <updated>2019-03-18T00:00:00Z</updated>
 	</entry>
 
+	<entry>
+	    <id>https://yt-dl.org/feed/youtube-dl-updates-feed/youtube-dl-2019.04.01</id>
+	    <title>New version 2019.04.01</title>
+	    <link href="http://ytdl-org.github.io/youtube-dl" />
+	    <content type="xhtml">
+	        <div xmlns="http://www.w3.org/1999/xhtml">
+	            Downloads available at <a href="https://yt-dl.org/downloads/2019.04.01/">https://yt-dl.org/downloads/2019.04.01/</a>
+	        </div>
+	    </content>
+	    <author>
+	        <name>The youtube-dl maintainers</name>
+	    </author>
+	    <updated>2019-04-01T00:00:00Z</updated>
+	</entry>
+
 </feed>
\ No newline at end of file
diff --git a/update/versions.json b/update/versions.json
index 48d1a8b61..92a4dc890 100644
--- a/update/versions.json
+++ b/update/versions.json
@@ -1,6 +1,6 @@
 {
-    "latest": "2019.03.18",
-    "signature": "2f43c5794e7537d6aec76915d8332821249273516dd8d75afcb3d7dec57d8bd9e510e215a0977ec84e2906c481ceb21ae64f8fc2bbc4a69d8801cd2a167a0ac5d4509cea5654aff5031f9f3fd5d7178e285de427ea164d2f0722bf5c0895462f8bea5e6833ececb2ad3dada92e64444c4f09f47ef6af33156ad69f9ea2e4002b",
+    "latest": "2019.04.01",
+    "signature": "2662756fdd798abd3a21bb313c15d910d4ff99a28465431dcaa2e790e9e37641c07c80be9ddbf0409bc70d225852ea7c05253e923e05244605a223b19e239c3cb8b06d81870e14198d604cc82e58373561a8b029443b4ed66f031eab713bd9105a377c6fee40ba6309a820e79cb6347e05d561664dce5a430ad9bd0cc82b10b9",
     "versions": {
         "2012.02.22": {
             "bin": [
@@ -12481,6 +12481,20 @@
                 "https://yt-dl.org/downloads/2019.03.18/youtube-dl-2019.03.18.tar.gz",
                 "074688b416e97aff5ae9ce3764e313b9d6433bb34a16b206775fbc37e4c16164"
             ]
+        },
+        "2019.04.01": {
+            "bin": [
+                "https://yt-dl.org/downloads/2019.04.01/youtube-dl",
+                "562ba76be2b649890314f733ff81588bedd07f129d4de323752fd80ac45919a3"
+            ],
+            "exe": [
+                "https://yt-dl.org/downloads/2019.04.01/youtube-dl.exe",
+                "4baa12aab0294e368875592103b88210e2f3b76d1e574e5e1b3c03241a6a90d4"
+            ],
+            "tar": [
+                "https://yt-dl.org/downloads/2019.04.01/youtube-dl-2019.04.01.tar.gz",
+                "55833cc88532d1b9b16a5a808da7879857eff1b3d0eeee57cf08810b2601306b"
+            ]
         }
     }
 }
\ No newline at end of file