diff --git a/docs/_includes/version/sitespeed.io.txt b/docs/_includes/version/sitespeed.io.txt
index 91bf72621..b745bcd26 100644
--- a/docs/_includes/version/sitespeed.io.txt
+++ b/docs/_includes/version/sitespeed.io.txt
@@ -1 +1 @@
-17.8.3
\ No newline at end of file
+17.9.0
\ No newline at end of file
diff --git a/docs/documentation/sitespeed.io/configuration/config.md b/docs/documentation/sitespeed.io/configuration/config.md
index 187a5e198..0f50ea9ac 100644
--- a/docs/documentation/sitespeed.io/configuration/config.md
+++ b/docs/documentation/sitespeed.io/configuration/config.md
@@ -60,6 +60,8 @@ Firefox
       --browsertime.firefox.binaryPath, --firefox.binaryPath                                          Path to custom Firefox binary (e.g. Firefox Nightly). On OS X, the path should be to the binary inside the app bundle, e.g. /Applications/Firefox.app/Contents/MacOS/firefox-bin
       --browsertime.firefox.preference, --firefox.preference                                          Extra command line arguments to pass Firefox preferences by the format key:value To add multiple preferences, repeat --firefox.preference once per argument.
       --browsertime.firefox.acceptInsecureCerts, --firefox.acceptInsecureCerts                        Accept insecure certs  [boolean]
+      --browsertime.firefox.memoryReport, --firefox.memoryReport                                      Measure firefox resident memory after each iteration.  [boolean] [default: false]
+      --browsertime.firefox.memoryReportParams.minizeFirst, --firefox.memoryReportParams.minizeFirst  Force a collection before dumping and measuring the memory report.  [boolean] [default: false]
       --browsertime.firefox.geckoProfiler, --firefox.geckoProfiler                                    Collect a profile using the internal gecko profiler  [boolean] [default: false]
       --browsertime.firefox.geckoProfilerParams.features, --firefox.geckoProfilerParams.features      Enabled features during gecko profiling  [string] [default: "js,stackwalk,leaf"]
       --browsertime.firefox.geckoProfilerParams.threads, --firefox.geckoProfilerParams.threads        Threads to profile.  [string] [default: "GeckoMain,Compositor,Renderer"]
diff --git a/docs/feed/atom.xml b/docs/feed/atom.xml
index 72807bffa..07631dc8e 100644
--- a/docs/feed/atom.xml
+++ b/docs/feed/atom.xml
@@ -2,7 +2,7 @@
 <feed xmlns="http://www.w3.org/2005/Atom">
     <id>https://www.sitespeed.io</id>
     <title>sitespeed.io release feed</title>
-    <updated>2021-07-15T06:26:59.792Z</updated>
+    <updated>2021-07-16T07:09:15.206Z</updated>
     <generator>https://github.com/jpmonette/feed</generator>
     <author>
         <name>Peter Hedenskog</name>
@@ -17,22 +17,22 @@
     <rights>All rights reserved 2021, Peter Hedenskog and team</rights>
     <category term="Performance"/>
     <entry>
-        <title type="html"><![CDATA[browsertime 12.11.0]]></title>
-        <id>https://github.com/sitespeedio/browsertime/blob/main/CHANGELOG.md#12.11.0</id>
-        <link href="https://github.com/sitespeedio/browsertime/blob/main/CHANGELOG.md#"/>
-        <updated>2021-07-15T06:26:59.792Z</updated>
-        <summary type="html"><![CDATA[ Added screen size for Moto G4 when you run Chrome as emulated mobile #1608. Added Firefox 90 in the Docker container #1609. Fixed so we support JavaScript that ends with a ; when you select an element for for clicking #1610. See #1606 and thank you Vicky Ledsom for reporting. Fixed recording videos on new Mac M1 for emulated mobile. We used to have a hack for getting the right DPI but it seems like that didn't work on Mac M1 (depending on what screen you are using) #1607.]]></summary>
+        <title type="html"><![CDATA[sitespeed.io 17.9.0]]></title>
+        <id>https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md#17.9.0</id>
+        <link href="https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md#"/>
+        <updated>2021-07-16T07:09:15.206Z</updated>
+        <summary type="html"><![CDATA[ Updated to Browsertime 12.11.0. Updated to Firefox 90 in the browser container #3420. Update to AXE-core 4.2.3 #3417. Added support for Firefox memory report, turn it on with --firefox.memoryReport #3416 The +1 container has been updated to use Lightouse 8.1.0.]]></summary>
         <author>
             <name>Sitespeed.io</name>
             <uri>https://www.sitespeed.io</uri>
         </author>
     </entry>
     <entry>
-        <title type="html"><![CDATA[sitespeed.io 17.8.3]]></title>
-        <id>https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md#17.8.3</id>
-        <link href="https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md#"/>
-        <updated>2021-07-06T20:35:52.676Z</updated>
-        <summary type="html"><![CDATA[ Updated to Coach-core 6.4.2. Updated to Browsertime 12.10.0.]]></summary>
+        <title type="html"><![CDATA[browsertime 12.11.0]]></title>
+        <id>https://github.com/sitespeedio/browsertime/blob/main/CHANGELOG.md#12.11.0</id>
+        <link href="https://github.com/sitespeedio/browsertime/blob/main/CHANGELOG.md#"/>
+        <updated>2021-07-15T06:26:59.792Z</updated>
+        <summary type="html"><![CDATA[ Added screen size for Moto G4 when you run Chrome as emulated mobile #1608. Added Firefox 90 in the Docker container #1609. Fixed so we support JavaScript that ends with a ; when you select an element for for clicking #1610. See #1606 and thank you Vicky Ledsom for reporting. Fixed recording videos on new Mac M1 for emulated mobile. We used to have a hack for getting the right DPI but it seems like that didn't work on Mac M1 (depending on what screen you are using) #1607.]]></summary>
         <author>
             <name>Sitespeed.io</name>
             <uri>https://www.sitespeed.io</uri>
diff --git a/docs/feed/rss.xml b/docs/feed/rss.xml
index 5cf6f7cef..fd0ac754c 100644
--- a/docs/feed/rss.xml
+++ b/docs/feed/rss.xml
@@ -4,7 +4,7 @@
         <title>sitespeed.io release feed</title>
         <link>https://www.sitespeed.io</link>
         <description>Follow new releases of sitespeed.io tools</description>
-        <lastBuildDate>Thu, 15 Jul 2021 06:26:59 GMT</lastBuildDate>
+        <lastBuildDate>Fri, 16 Jul 2021 07:09:15 GMT</lastBuildDate>
         <docs>https://validator.w3.org/feed/docs/rss2.html</docs>
         <generator>https://github.com/jpmonette/feed</generator>
         <language>en</language>
@@ -16,6 +16,14 @@
         <copyright>All rights reserved 2021, Peter Hedenskog and team</copyright>
         <category>Performance</category>
         <atom:link href="https://www.sitespeed.io/feed/rss.xml" rel="self" type="application/rss+xml"/>
+        <item>
+            <title><![CDATA[sitespeed.io 17.9.0]]></title>
+            <link>https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md#</link>
+            <guid>https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md#17.9.0</guid>
+            <pubDate>Fri, 16 Jul 2021 07:09:15 GMT</pubDate>
+            <description><![CDATA[ Updated to Browsertime 12.11.0. Updated to Firefox 90 in the browser container #3420. Update to AXE-core 4.2.3 #3417. Added support for Firefox memory report, turn it on with --firefox.memoryReport #3416 The +1 container has been updated to use Lightouse 8.1.0.]]></description>
+            <enclosure url="https://www.sitespeed.io/img/logos/sitespeed.io.png" length="0" type="image/png"/>
+        </item>
         <item>
             <title><![CDATA[browsertime 12.11.0]]></title>
             <link>https://github.com/sitespeedio/browsertime/blob/main/CHANGELOG.md#</link>
@@ -24,14 +32,6 @@
             <description><![CDATA[ Added screen size for Moto G4 when you run Chrome as emulated mobile #1608. Added Firefox 90 in the Docker container #1609. Fixed so we support JavaScript that ends with a ; when you select an element for for clicking #1610. See #1606 and thank you Vicky Ledsom for reporting. Fixed recording videos on new Mac M1 for emulated mobile. We used to have a hack for getting the right DPI but it seems like that didn't work on Mac M1 (depending on what screen you are using) #1607.]]></description>
             <enclosure url="https://www.sitespeed.io/img/logos/browsertime.png" length="0" type="image/png"/>
         </item>
-        <item>
-            <title><![CDATA[sitespeed.io 17.8.3]]></title>
-            <link>https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md#</link>
-            <guid>https://github.com/sitespeedio/sitespeed.io/blob/main/CHANGELOG.md#17.8.3</guid>
-            <pubDate>Tue, 06 Jul 2021 20:35:52 GMT</pubDate>
-            <description><![CDATA[ Updated to Coach-core 6.4.2. Updated to Browsertime 12.10.0.]]></description>
-            <enclosure url="https://www.sitespeed.io/img/logos/sitespeed.io.png" length="0" type="image/png"/>
-        </item>
         <item>
             <title><![CDATA[coach-core 6.4.2]]></title>
             <link>https://github.com/sitespeedio/coach-core/blob/main/CHANGELOG.md#</link>