diff --git a/Changelog.md b/Changelog.md
index 41c0f5bb8..017f575a8 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -15,15 +15,17 @@
 # 0.7.8.0
 
 ## Refactor
-
 * Make setting up a development environment 9001% easier by adding a Docker-based setup [#7870](https://github.com/diaspora/diaspora/pull/7870)
 * Improve `web+diaspora://` handler description [#7909](https://github.com/diaspora/diaspora/pull/7909)
+* Move comment timestamp next to author name [#7905](https://github.com/diaspora/diaspora/pull/7905)
+* Sharpen small and medium thumbnails [#7924](https://github.com/diaspora/diaspora/pull/7924)
 
 ## Bug fixes
+* Ignore invalid URLs for camo [#7922](https://github.com/diaspora/diaspora/pull/7922)
 
 ## Features
-
 * Add the ability to assign roles in the admin panel [#7868](https://github.com/diaspora/diaspora/pull/7868)
+* Improve memory usage with libjemalloc if available [#7919](https://github.com/diaspora/diaspora/pull/7919)
 
 # 0.7.7.0
 
diff --git a/app/assets/stylesheets/comments.scss b/app/assets/stylesheets/comments.scss
index a91414e94..88d4b16b5 100644
--- a/app/assets/stylesheets/comments.scss
+++ b/app/assets/stylesheets/comments.scss
@@ -44,6 +44,19 @@
     }
   }
 
+  .permalink {
+    @include transition(opacity);
+    opacity: 0;
+  }
+
+  .comment:hover .permalink {
+    opacity: .8;
+
+    &:hover {
+      opacity: 1;
+    }
+  }
+
   .comment.new-comment-form-wrapper { padding-bottom: 0; }
 
   .submit-button {
diff --git a/app/assets/stylesheets/stream_element.scss b/app/assets/stylesheets/stream_element.scss
index a411c423e..6f876ba15 100644
--- a/app/assets/stylesheets/stream_element.scss
+++ b/app/assets/stylesheets/stream_element.scss
@@ -122,9 +122,12 @@
     opacity: 0;
   }
 
-  &:hover .permalink {
+  &:hover .post-timestamp .permalink {
     opacity: .8;
-    &:hover { opacity: 1; }
+
+    &:hover {
+      opacity: 1;
+    }
   }
 
   div.reshare {
diff --git a/app/assets/templates/comment_tpl.jst.hbs b/app/assets/templates/comment_tpl.jst.hbs
index 2f8a9ae14..81c2d5064 100644
--- a/app/assets/templates/comment_tpl.jst.hbs
+++ b/app/assets/templates/comment_tpl.jst.hbs
@@ -20,18 +20,21 @@
     {{/if}}
     </div>
 
-    {{#linkToAuthor author}}
-      {{name}}
-    {{/linkToAuthor}}
+    <div>
+      {{#linkToAuthor author}}
+        {{name}}
+      {{/linkToAuthor}}
+      -
+      <a href="/posts/{{parent.id}}#{{guid}}" class="permalink_comment">
+        <time class="timeago" data-original-title="{{{localTime created_at}}}" datetime="{{created_at}}"/>
+      </a>
+      <a href="/posts/{{parent.guid}}#{{guid}}" class="permalink gray" title="{{t "stream.permalink"}}">
+        <i class="entypo-link"></i>
+      </a>
+    </div>
 
     <div class="collapsible comment-content markdown-content">
       {{{text}}}
     </div>
-
-    <div class="info">
-      <a href="/posts/{{parent.id}}#{{guid}}" class="permalink_comment">
-        <time class="timeago" data-original-title="{{{localTime created_at}}}" datetime="{{created_at}}"/>
-      </a>
-    </div>
   </div>
 </div>
diff --git a/app/assets/templates/stream-element_tpl.jst.hbs b/app/assets/templates/stream-element_tpl.jst.hbs
index ed6b8083c..9240a3bfd 100644
--- a/app/assets/templates/stream-element_tpl.jst.hbs
+++ b/app/assets/templates/stream-element_tpl.jst.hbs
@@ -19,7 +19,7 @@
           {{~name~}}
         {{/linkToAuthor}}
 
-        <span class="details gray">
+        <span class="details gray post-timestamp">
           -
           <a href="/posts/{{id}}">
             <time class="timeago" data-original-title="{{{localTime created_at}}}" datetime="{{created_at}}" />
diff --git a/app/uploaders/processed_image.rb b/app/uploaders/processed_image.rb
index a9cae6216..9d614f466 100644
--- a/app/uploaders/processed_image.rb
+++ b/app/uploaders/processed_image.rb
@@ -20,10 +20,10 @@ class ProcessedImage < CarrierWave::Uploader::Base
   end
 
   version :thumb_small do
-    process resize_to_fill: [50, 50]
+    process resize_to_fill: [50, 50, combine_options: {unsharp: "1.5x1+0.7+0.02"}]
   end
   version :thumb_medium do
-    process resize_to_limit: [100, 100]
+    process resize_to_limit: [100, 100, combine_options: {unsharp: "1.5x1+0.7+0.02"}]
   end
   version :thumb_large do
     process resize_to_limit: [300, 1500]
diff --git a/lib/diaspora/camo.rb b/lib/diaspora/camo.rb
index b7c0d78b3..3fa519f01 100644
--- a/lib/diaspora/camo.rb
+++ b/lib/diaspora/camo.rb
@@ -17,7 +17,11 @@ module Diaspora
       return unless url
       return url unless self.url_eligible?(url)
 
-      url = Addressable::URI.encode(Addressable::URI.unencode(url))
+      begin
+        url = Addressable::URI.encode(Addressable::URI.unencode(url))
+      rescue Addressable::URI::InvalidURIError
+        return url
+      end
 
       digest = OpenSSL::HMAC.hexdigest(
         OpenSSL::Digest.new('sha1'),
diff --git a/script/server b/script/server
index eb8b92294..9cc8ee51a 100755
--- a/script/server
+++ b/script/server
@@ -202,6 +202,21 @@ diaspora.yml.example
 "
 fi
 
+# Use libjemalloc if it's available for better memory usage
+command -v ldconfig > /dev/null 2>&1
+if [ $? -eq 0 ]; then
+  ldconfig=ldconfig
+elif [ -x /sbin/ldconfig ]; then
+  ldconfig=/sbin/ldconfig
+fi
+if [ -n "${ldconfig}" ]; then
+  jemalloc_path=$(${ldconfig} -p | grep jemalloc | tr ' ' '\n' | grep '^/' | head -1)
+
+  if [ -n "${jemalloc_path}" ]; then
+    export LD_PRELOAD="${jemalloc_path}"
+  fi
+fi
+
 # Start Diaspora
 printf "Starting Diaspora in $RAILS_ENV mode "
 if [ -n "$PORT" ]
diff --git a/spec/lib/diaspora/camo_spec.rb b/spec/lib/diaspora/camo_spec.rb
index 58df5bead..faea22987 100644
--- a/spec/lib/diaspora/camo_spec.rb
+++ b/spec/lib/diaspora/camo_spec.rb
@@ -48,6 +48,10 @@ describe Diaspora::Camo do
         expect(Diaspora::Camo.image_url("https://example.com/%C3%A1%C3%A9%C3%B3?foo=%C3%A4%C3%BC%C3%B6&bar=a%CC%80"))
           .to eq(camo_image_url)
       end
+
+      it "ignores invalid urls" do
+        expect(Diaspora::Camo.image_url("https://")).to eq("https://")
+      end
     end
   end