diff --git a/arangod/RocksDBEngine/RocksDBEngine.cpp b/arangod/RocksDBEngine/RocksDBEngine.cpp
index a167095839..67b5d10b57 100644
--- a/arangod/RocksDBEngine/RocksDBEngine.cpp
+++ b/arangod/RocksDBEngine/RocksDBEngine.cpp
@@ -158,7 +158,7 @@ void RocksDBEngine::start() {
   // options imported set by RocksDBOptionFeature
   auto* opts = ApplicationServer::getFeature<arangodb::RocksDBOptionFeature>(
       "RocksDBOption");
-  /*
+  
   _options.write_buffer_size = static_cast<size_t>(opts->_writeBufferSize);
   _options.max_write_buffer_number =
       static_cast<int>(opts->_maxWriteBufferNumber);
@@ -183,7 +183,7 @@ void RocksDBEngine::start() {
       static_cast<size_t>(opts->_logFileTimeToRoll);
   _options.compaction_readahead_size =
       static_cast<size_t>(opts->_compactionReadaheadSize);
-*/
+
   _options.create_if_missing = true;
   _options.max_open_files = -1;
   _options.comparator = _cmp.get();
diff --git a/cmake/packages/snap.cmake b/cmake/packages/snap.cmake
index 9b9230abb3..1e0c4e788e 100644
--- a/cmake/packages/snap.cmake
+++ b/cmake/packages/snap.cmake
@@ -7,7 +7,7 @@ endif()
 if(SNAPCRAFT_FOUND)
   set(SNAPCRAFT_TEMPLATE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/Installation/Ubuntu")
   set(SNAPCRAFT_SOURCE_DIR "${CMAKE_BINARY_DIR}/_CPack_Packages/SNAP")
-  set(CPACK_SNAP_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}-${ARANGODB_PACKAGE_REVISION}_${ARANGODB_PACKAGE_ARCHITECTURE}.snap")
+  set(CPACK_SNAP_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}_${ARANGODB_PACKAGE_ARCHITECTURE}.snap")
 
   message(STATUS "Creating snap package")
 
diff --git a/js/server/tests/aql/aql-functions-list.js b/js/server/tests/aql/aql-functions-list.js
index 082cada00e..104d3a164f 100644
--- a/js/server/tests/aql/aql-functions-list.js
+++ b/js/server/tests/aql/aql-functions-list.js
@@ -723,6 +723,7 @@ function ahuacatlListTestSuite () {
       for (var i = 0; i < 10; ++i) {
         collection.save({_key: "test" + i});
       }
+
       var bindVars = {"@collection" : collectionName};
       var actual = getQueryResults("LET tmp = (FOR x IN @@collection RETURN x) RETURN APPEND([], tmp)", bindVars);
       assertEqual(actual.length, 1);
@@ -759,6 +760,9 @@ function ahuacatlListTestSuite () {
       for (i = 0; i < 10; ++i) {
         assertEqual(actual[i]._key, "test" + i);
       }
+
+      actual = getQueryResults("LET doc = DOCUMENT('nonexistantCollection/nonexistantDocument') RETURN append(doc.t,[1,2,2], true)");
+      assertEqual(actual[0], [1,2,2]);
     },
 
     testAppendDocuments2 : function () {
diff --git a/lib/ApplicationFeatures/LanguageFeature.cpp b/lib/ApplicationFeatures/LanguageFeature.cpp
index b2bf0e9fa7..6802c7d277 100644
--- a/lib/ApplicationFeatures/LanguageFeature.cpp
+++ b/lib/ApplicationFeatures/LanguageFeature.cpp
@@ -69,7 +69,9 @@ void* LanguageFeature::prepareIcu(std::string const& binaryPath, std::string con
 
   if (path.empty() || !TRI_IsRegularFile(path.c_str())) {
     if (!path.empty()) {
-      LOG_TOPIC(WARN, arangodb::Logger::FIXME) << "failed to locate '" << fn << "' at '"<< path << "'";
+      LOG_TOPIC(WARN, arangodb::Logger::FIXME)
+        << "failed to locate '" << fn
+        << "' at '"<< path << "'";
     }
     std::string bpfn = binaryExecutionPath + TRI_DIR_SEPARATOR_STR  + fn;
     
@@ -83,6 +85,10 @@ void* LanguageFeature::prepareIcu(std::string const& binaryPath, std::string con
       std::string argv_0 = binaryExecutionPath + TRI_DIR_SEPARATOR_STR + binaryName;
       path = TRI_LocateInstallDirectory(argv_0.c_str(), binaryPath.c_str());
       path += ICU_DESTINATION_DIRECTORY TRI_DIR_SEPARATOR_STR + fn;
+      if (!TRI_IsRegularFile(path.c_str())) {
+        // Try whether we have an absolute install prefix: 
+        path = ICU_DESTINATION_DIRECTORY TRI_DIR_SEPARATOR_STR + fn;
+      }
     }
     if (!TRI_IsRegularFile(path.c_str())) {
       std::string msg =
diff --git a/lib/ApplicationFeatures/RocksDBOptionFeature.cpp b/lib/ApplicationFeatures/RocksDBOptionFeature.cpp
index 84233a9120..80ac5a8d3c 100644
--- a/lib/ApplicationFeatures/RocksDBOptionFeature.cpp
+++ b/lib/ApplicationFeatures/RocksDBOptionFeature.cpp
@@ -30,28 +30,34 @@
 #include "ProgramOptions/Section.h"
 #include "RestServer/DatabasePathFeature.h"
 
+#include <rocksdb/options.h>
+
 using namespace arangodb;
 using namespace arangodb::application_features;
 using namespace arangodb::options;
+  
+namespace {
+rocksdb::Options rocksDBDefaults;
+}
 
 RocksDBOptionFeature::RocksDBOptionFeature(
   application_features::ApplicationServer* server)
   : application_features::ApplicationFeature(server, "RocksDBOption"),
-    _writeBufferSize(0),
-    _maxWriteBufferNumber(2),
-    _delayedWriteRate(2 * 1024 * 1024),
-    _minWriteBufferNumberToMerge(1),
-    _numLevels(4),
-    _maxBytesForLevelBase(256 * 1024 * 1024),
-    _maxBytesForLevelMultiplier(10),
-    _baseBackgroundCompactions(1),
-    _maxBackgroundCompactions(1),
-    _maxLogFileSize(0),
-    _keepLogFileNum(1000),
-    _logFileTimeToRoll(0),
-    _compactionReadaheadSize(0),
-    _verifyChecksumsInCompaction(true),
-    _optimizeFiltersForHits(true) {
+    _writeBufferSize(rocksDBDefaults.write_buffer_size),
+    _maxWriteBufferNumber(rocksDBDefaults.max_write_buffer_number),
+    _delayedWriteRate(rocksDBDefaults.delayed_write_rate),
+    _minWriteBufferNumberToMerge(rocksDBDefaults.min_write_buffer_number_to_merge),
+    _numLevels(rocksDBDefaults.num_levels),
+    _maxBytesForLevelBase(rocksDBDefaults.max_bytes_for_level_base),
+    _maxBytesForLevelMultiplier(rocksDBDefaults.max_bytes_for_level_multiplier),
+    _baseBackgroundCompactions(rocksDBDefaults.base_background_compactions),
+    _maxBackgroundCompactions(rocksDBDefaults.max_background_compactions),
+    _maxLogFileSize(rocksDBDefaults.max_log_file_size),
+    _keepLogFileNum(rocksDBDefaults.keep_log_file_num),
+    _logFileTimeToRoll(rocksDBDefaults.log_file_time_to_roll),
+    _compactionReadaheadSize(rocksDBDefaults.compaction_readahead_size),
+    _verifyChecksumsInCompaction(rocksDBDefaults.verify_checksums_in_compaction),
+    _optimizeFiltersForHits(rocksDBDefaults.optimize_filters_for_hits) {
   setOptional(true);
   requiresElevatedPrivileges(false);
   startsAfter("DatabasePath");