diff --git a/build.properties b/build.properties
index 88ac632a3..4ca95da14 100644
--- a/build.properties
+++ b/build.properties
@@ -3,11 +3,11 @@ javacSource=1.4
 javacTarget=1.4
 
 # Release Configuration
-releaseVersion=0.517
-releaseFile=yacy_dev_v${releaseVersion}_${DSTAMP}_${releaseNr}.tar.gz
-#releaseFile=yacy_v${releaseVersion}_${DSTAMP}_${releaseNr}.tar.gz
-releaseDir=yacy_dev_v${releaseVersion}_${DSTAMP}_${releaseNr}
-#releaseDir=yacy_v${releaseVersion}_${DSTAMP}_${releaseNr}
+releaseVersion=0.52
+#releaseFile=yacy_dev_v${releaseVersion}_${DSTAMP}_${releaseNr}.tar.gz
+releaseFile=yacy_v${releaseVersion}_${DSTAMP}_${releaseNr}.tar.gz
+#releaseDir=yacy_dev_v${releaseVersion}_${DSTAMP}_${releaseNr}
+releaseDir=yacy_v${releaseVersion}_${DSTAMP}_${releaseNr}
 releaseFileParentDir=yacy
 releaseNr=$Revision$
 
diff --git a/doc/News.html b/doc/News.html
index 31cb10db4..76eaff9ba 100644
--- a/doc/News.html
+++ b/doc/News.html
@@ -85,7 +85,7 @@ globalheader();
 </ul>
 -->
 
-<br><p><a name="3712">v0.52_20070511_3712</a>
+<br><p><a name="3715">v0.52_20070512_3715</a>
 <ul>
 <li>New Functions</li>
   <ul>
diff --git a/source/de/anomic/plasma/plasmaSwitchboard.java b/source/de/anomic/plasma/plasmaSwitchboard.java
index 658869c8b..411288a6a 100644
--- a/source/de/anomic/plasma/plasmaSwitchboard.java
+++ b/source/de/anomic/plasma/plasmaSwitchboard.java
@@ -1695,7 +1695,7 @@ public final class plasmaSwitchboard extends serverAbstractSwitch implements ser
         // flush some entries from the RAM cache
         wordIndex.flushCacheSome();
         // adopt maximum cache size to current size to prevent that further OutOfMemoryErrors occur
-        int newMaxCount = Math.max(2000, Math.min((int) getConfigLong(WORDCACHE_MAX_COUNT, 20000), wordIndex.dhtOutCacheSize()));
+        int newMaxCount = Math.max(1200, Math.min((int) getConfigLong(WORDCACHE_MAX_COUNT, 1200), wordIndex.dhtOutCacheSize()));
         setConfig(WORDCACHE_MAX_COUNT, Integer.toString(newMaxCount));
         wordIndex.setMaxWordCount(newMaxCount); 
     }
diff --git a/superseed.txt b/superseed.txt
index 7402dbd66..248a5c829 100644
--- a/superseed.txt
+++ b/superseed.txt
@@ -2,10 +2,6 @@ http://breyvogel.gmxhome.de/seed.txt
 http://de.geocities.com/d15511z/yacy/angel/seed.txt
 http://home.arcor.de/hermens/yacy/seed.txt
 http://low.audioattack.de/yacy/seed.txt
-http://sam-daheim.de/seed.txt
 http://thq.homeip.net/share/seed.txt
 http://www.lulabad.de/seed.txt
-http://www.nkcells.info/yacyseed/seed.txt
-http://www.suma-lab.de/yacy/seed.txt
-http://www.tc-world.de/seed.txt
 http://www.yacy.net/yacy/seed.txt