--- a/net/minecraft/server/MinecraftServer.java
+++ b/net/minecraft/server/MinecraftServer.java
@@ -286,6 +_,7 @@
     public joptsimple.OptionSet options;
     public org.bukkit.command.ConsoleCommandSender console;
     public static int currentTick; // Paper - improve tick loop
+    public static final long startTimeMillis = System.currentTimeMillis(); // Purpur - Add uptime command
     public java.util.Queue<Runnable> processQueue = new java.util.concurrent.ConcurrentLinkedQueue<Runnable>();
     public int autosavePeriod;
     // Paper - don't store the vanilla dispatcher
@@ -302,6 +_,8 @@
     public boolean isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked
     private final Set<String> pluginsBlockingSleep = new java.util.HashSet<>(); // Paper - API to allow/disallow tick sleeping
     public static final long SERVER_INIT = System.nanoTime(); // Paper - Lag compensation
+    public boolean lagging = false; // Purpur - Lagging threshold
+    protected boolean upnp = false; // Purpur - UPnP Port Forwarding
     // Paper start - improve tick loop
     public final ca.spottedleaf.moonrise.common.time.TickData tickTimes1s  = new ca.spottedleaf.moonrise.common.time.TickData(java.util.concurrent.TimeUnit.SECONDS.toNanos(1L));
     public final ca.spottedleaf.moonrise.common.time.TickData tickTimes5s  = new ca.spottedleaf.moonrise.common.time.TickData(java.util.concurrent.TimeUnit.SECONDS.toNanos(5L));
@@ -371,6 +_,7 @@
     public double[] computeTPS() {
         final long interval = this.tickRateManager().nanosecondsPerTick();
         return new double[] {
+            getTPS(this.tickTimes5s, interval), // Purpur - Add 5 second tps average in /tps
             getTPS(this.tickTimes1m, interval),
             getTPS(this.tickTimes5m, interval),
             getTPS(this.tickTimes15m, interval)
@@ -1013,6 +_,15 @@
 
         LOGGER.info("Stopping server");
         Commands.COMMAND_SENDING_POOL.shutdownNow(); // Paper - Perf: Async command map building; Shutdown and don't bother finishing
+        // Purpur start - UPnP Port Forwarding
+        if (upnp) {
+            if (dev.omega24.upnp4j.UPnP4J.close(this.getPort(), dev.omega24.upnp4j.util.Protocol.TCP)) {
+                LOGGER.info("[UPnP] Port {} closed", this.getPort());
+            } else {
+                LOGGER.error("[UPnP] Failed to close port {}", this.getPort());
+            }
+        }
+        // Purpur end - UPnP Port Forwarding
         // CraftBukkit start
         if (this.server != null) {
             this.server.spark.disable(); // Paper - spark
@@ -1111,6 +_,8 @@
         this.safeShutdown(waitForShutdown, false);
     }
     public void safeShutdown(boolean waitForShutdown, boolean isRestarting) {
+        org.purpurmc.purpur.task.BossBarTask.stopAll(); // Purpur - Implement TPSBar
+        org.purpurmc.purpur.task.BeehiveTask.instance().unregister(); // Purpur - Give bee counts in beehives to Purpur clients
         this.isRestarting = isRestarting;
         this.hasLoggedStop = true; // Paper - Debugging
         if (isDebugging()) io.papermc.paper.util.TraceUtil.dumpTraceForThread("Server stopped"); // Paper - Debugging
@@ -1288,6 +_,16 @@
             }
             // Paper end - Add onboarding message for initial server start
 
+            // Purpur start - config for startup commands
+            if (!Boolean.getBoolean("Purpur.IReallyDontWantStartupCommands") && !org.purpurmc.purpur.PurpurConfig.startupCommands.isEmpty()) {
+                LOGGER.info("Purpur: Running startup commands specified in purpur.yml.");
+                for (final String startupCommand : org.purpurmc.purpur.PurpurConfig.startupCommands) {
+                    LOGGER.info("Purpur: Running the following command: \"{}\"", startupCommand);
+                    ((net.minecraft.server.dedicated.DedicatedServer) this).handleConsoleInput(startupCommand, this.createCommandSourceStack());
+                }
+            }
+            // Purpur end - config for startup commands
+
             while (this.running) {
                 final long tickStart = System.nanoTime(); // Paper - improve tick loop
                 long l; // Paper - improve tick loop - diff on change, expect this to be tick interval
@@ -1301,8 +_,10 @@
                     final long ticksBehind = Math.max(1L, this.tickSchedule.getPeriodsAhead(l, tickStart));
                     final long catchup = (long)Math.max(
                         1,
-                        5 //ConfigHolder.getConfig().tickLoop.catchupTicks.getOrDefault(MoonriseConfig.TickLoop.DEFAULT_CATCHUP_TICKS).intValue()
+                        org.purpurmc.purpur.PurpurConfig.tpsCatchup ? 5 : 1 //ConfigHolder.getConfig().tickLoop.catchupTicks.getOrDefault(MoonriseConfig.TickLoop.DEFAULT_CATCHUP_TICKS).intValue() // Purpur - Configurable TPS Catchup
                     );
+
+                    lagging = getTPS()[0] < org.purpurmc.purpur.PurpurConfig.laggingThreshold; // Purpur - Lagging threshold
 
                     // adjust ticksBehind so that it is not greater-than catchup
                     if (ticksBehind > catchup) {
@@ -1773,7 +_,7 @@
             long worldTime = level.getGameTime();
             final ClientboundSetTimePacket worldPacket = new ClientboundSetTimePacket(worldTime, dayTime, doDaylight);
             for (Player entityhuman : level.players()) {
-                if (!(entityhuman instanceof ServerPlayer) || (tickCount + entityhuman.getId()) % 20 != 0) {
+                if (!(entityhuman instanceof ServerPlayer) || (!level.isForceTime() && (tickCount + entityhuman.getId()) % 20 != 0)) { // Purpur - Configurable daylight cycle
                     continue;
                 }
                 ServerPlayer entityplayer = (ServerPlayer) entityhuman;
@@ -1945,7 +_,7 @@
 
     @DontObfuscate
     public String getServerModName() {
-        return io.papermc.paper.ServerBuildInfo.buildInfo().brandName(); // Paper
+        return org.purpurmc.purpur.PurpurConfig.serverModName; // Paper // Purpur - Configurable server mod name
     }
 
     public SystemReport fillSystemReport(SystemReport systemReport) {