diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa5156e4..23b048e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -50,7 +50,6 @@ Version 2.0.0
   handling in client.
 - Removed redundant call to /api/slaves in globalChat plugin.
 - Removed broken serverManager plugin.
-- Removed broken remote combinator signaling.
 - Removed factorio_version from config.  The version installed is auto
   detected and used instead.
 - Removed the playerManager specific command CLI tools/delete_player.js.
@@ -98,6 +97,17 @@ Version 2.0.0
 - Changed the format of database/slaves.json.
 
 
+Version 1.2.4
+-------------
+
+- Removed broken remote combinator signaling.
+- Fixed research sync endlessly updating already researched technologies
+- Removed obsolete item/fluid statistics from clusterioMod
+- Removed per mod upload logging when config.uploadModsToMaster disabled
+- Fixed bcrypt failing to install on windows due to the new version not
+  having Windows binaries.
+
+
 Version 1.2.3
 -------------
 
diff --git a/package.json b/package.json
index 1d1fd4ff..a56560de 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "as-table": "^1.0.31",
     "averaged-timeseries": "^1.4.0",
     "base64url": "^3.0.0",
-    "bcrypt": "^3.0.6",
+    "bcrypt": "=3.0.6",
     "bcrypt-promise": "^2.0.0",
     "body-parser": "^1.18.2",
     "cli-interact": "^0.1.9",
diff --git a/sharedPlugins/clusterioMod/index.js b/sharedPlugins/clusterioMod/index.js
index d9b1d9a9..3a845b63 100644
--- a/sharedPlugins/clusterioMod/index.js
+++ b/sharedPlugins/clusterioMod/index.js
@@ -34,67 +34,6 @@ module.exports = class remoteCommands {
 		ensureFileSync(instancedirectory + "/script-output/output.txt");
 		ensureFileSync(instancedirectory + "/script-output/orders.txt");
 
-
-		// flow/production statistics ------------------------------------------------------------
-		var oldFlowStats = false;
-		var oldTimestamp;
-		var oldFlowStats;
-		setInterval(function(){
-			fs.readFile(instancedirectory + "/script-output/flows.txt", {encoding: "utf8"}, function(err, data) {
-				if(!err && data) {
-					let timestamp = Date.now();
-					data = data.split("\n");
-					let flowStats = [];
-					for(let i = 0; i < data.length; i++) {
-						// try catch to remove any invalid json
-						try{
-							flowStats[flowStats.length] = JSON.parse(data[i]);
-						} catch (e) {
-							// console.log(" invalid json: " + i);
-							// some lines of JSON are invalid but don't worry, we just filter em out
-						}
-					}
-					// fluids
-					let flowStat1 = flowStats[flowStats.length-1].flows.player.input_counts
-					// items
-					let flowStat2 = flowStats[flowStats.length-2].flows.player.input_counts
-					// merge fluid and item flows
-					let totalFlows = {};
-					for(let key in flowStat1) totalFlows[key] = flowStat1[key];
-					for(let key in flowStat2) totalFlows[key] = flowStat2[key];
-					if(oldFlowStats && totalFlows && oldTimestamp) {
-						let payload = objectOps.deepclone(totalFlows);
-						// change from total reported to per time unit
-						for(let key in oldFlowStats) {
-							// get production per minute
-							payload[key] = Math.floor((payload[key] - oldFlowStats[key])/(timestamp - oldTimestamp)*60000);
-							if(payload[key] < 0) {
-								payload[key] = 0;
-							}
-						}
-						for(let key in payload) {
-							if(payload[key] == '0') {
-								delete payload[key];
-							}
-						}
-						console.log("Recorded flows, copper plate since last time: " + payload["copper-plate"]);
-						needle.post(
-							that.config.masterURL + '/api/logStats',
-							{timestamp: timestamp, instanceID: that.config.unique, data: payload},
-							needleOptionsWithTokenAuthHeader,
-							function (err, response, body) {
-								// we did it, keep going
-							}
-						);
-					}
-					oldTimestamp = timestamp;
-					oldFlowStats = totalFlows;
-					fs.writeFileSync(instancedirectory + "/script-output/flows.txt", "");
-				}
-			});
-			// we don't need to update stats quickly as that could be expensive
-		}, 60000*5);
-		
 		// provide items --------------------------------------------------------------
 		// trigger when something happens to output.txt
 		fs.watch(instancedirectory + "/script-output/output.txt", function (eventType, filename) {
diff --git a/sharedPlugins/researchSync/index.js b/sharedPlugins/researchSync/index.js
index 5054083f..5e555cac 100644
--- a/sharedPlugins/researchSync/index.js
+++ b/sharedPlugins/researchSync/index.js
@@ -259,6 +259,11 @@ class ResearchSync {
             if (isNaN(cluster_techs[name].progress))
                 continue
 
+			// Ignore researched techs
+			if (!tech.infinite && tech.researched) {
+				continue;
+			}
+
 			// Do not update progress for infinite techs with a local level that's higher.
 			if (tech.infinite && tech.level > cluster_techs[name].level) {
 				continue;