Index: binaries/data/config/default.cfg
===================================================================
--- binaries/data/config/default.cfg
+++ binaries/data/config/default.cfg
@@ -333,6 +333,8 @@
 camerajump.threshold = 40         ; How close do we have to be to the actual location in order to jump back to the previous one?
 timeelapsedcounter = false        ; Show the game duration in the top right corner
 batchtrainingsize = 5             ; Number of units to be trained per batch (when pressing the hotkey)
+tributenotificationmessage = true ; Show a chat notification when a tribute is sent between allied players
+barternotificationmessage = true  ; Show a chat notification when an active player barters in observer mode
 
 [gui.session.minimap]
 blinkduration = 1.7               ; The blink duration while pinging
Index: binaries/data/mods/public/gui/options/options.json
===================================================================
--- binaries/data/mods/public/gui/options/options.json
+++ binaries/data/mods/public/gui/options/options.json
@@ -102,6 +102,18 @@
 			"label": "Chat Timestamp",
 			"tooltip": "Show time that messages are posted in the lobby, gamesetup and ingame chat.",
 			"parameters": { "config": "chat.timestamp" }
+		},
+		{
+			"type": "boolean",
+			"label": "Show Allied Tribute Messages",
+			"tooltip": "Show a chat notification when a tribute is sent between allied players",
+			"parameters": { "config": "gui.session.tributenotificationmessage" }
+		},
+		{
+			"type": "boolean",
+			"label": "Show Barter Messages",
+			"tooltip": "Show a chat notification when an active player barters in observer mode",
+			"parameters": { "config": "gui.session.barternotificationmessage" }
 		}
 	],
 	"graphicsSetting":
Index: binaries/data/mods/public/gui/session/messages.js
===================================================================
--- binaries/data/mods/public/gui/session/messages.js
+++ binaries/data/mods/public/gui/session/messages.js
@@ -875,14 +875,21 @@
 	});
 }
 
+/**
+ * If the "tributenotificationmessage" config option is enabled, show all tributes sent in observer mode,
+ * and tributes sent between allied players.
+ * Otherwise, only show tributes sent directly to us.
+ */
 function formatTributeMessage(msg)
 {
-	// Check observer first, since we also want to see if the selected player in the developer-overlay has sent tributes
 	let message = "";
-	if (g_IsObserver)
-		message = translate("%(player)s has sent %(player2)s %(amounts)s.");
-	else if (msg.targetPlayer == Engine.GetPlayerID())
+	if (msg.targetPlayer == Engine.GetPlayerID())
 		message = translate("%(player)s has sent you %(amounts)s.");
+	else if (Engine.ConfigDB_GetValue("user", "gui.session.tributenotificationmessage") == "true" &&
+	        (g_IsObserver || g_GameAttributes.settings.LockTeams &&
+	           g_Players[msg.sourcePlayer].isMutualAlly[Engine.GetPlayerID()] &&
+	           g_Players[msg.targetPlayer].isMutualAlly[Engine.GetPlayerID()]))
+		message = translate("%(player)s has sent %(player2)s %(amounts)s.");
 
 	return sprintf(message, {
 		"player": colorizePlayernameByID(msg.sourcePlayer),
@@ -893,7 +900,7 @@
 
 function formatBarterMessage(msg)
 {
-	if (!g_IsObserver)
+	if (Engine.ConfigDB_GetValue("user", "gui.session.barternotificationmessage") != "true" || !g_IsObserver)
 		return "";
 
 	let amountsSold = {};