diff --git a/runelite-client/src/main/java/net/runelite/client/account/SessionManager.java b/runelite-client/src/main/java/net/runelite/client/account/SessionManager.java
index 7c7fb132a2..411c79eb15 100644
--- a/runelite-client/src/main/java/net/runelite/client/account/SessionManager.java
+++ b/runelite-client/src/main/java/net/runelite/client/account/SessionManager.java
@@ -27,12 +27,12 @@ package net.runelite.client.account;
 import com.google.gson.Gson;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 import java.time.Instant;
 import java.util.UUID;
 import javax.inject.Inject;
@@ -123,7 +123,7 @@ public class SessionManager
 			return;
 		}
 
-		try (Writer fw = new OutputStreamWriter(new FileOutputStream(sessionFile), StandardCharsets.UTF_8))
+		try (Writer fw = new OutputStreamWriter(Files.newOutputStream(sessionFile.toPath()), StandardCharsets.UTF_8))
 		{
 			gson.toJson(accountSession, fw);
 
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/itemidentification/ItemIdentification.java b/runelite-client/src/main/java/net/runelite/client/plugins/itemidentification/ItemIdentification.java
index dd25f32fc7..5564b4123e 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/itemidentification/ItemIdentification.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/itemidentification/ItemIdentification.java
@@ -254,6 +254,10 @@ enum ItemIdentification
 	DRAGONSTONE(Type.GEM, "Dragon", "DR", ItemID.UNCUT_DRAGONSTONE, ItemID.DRAGONSTONE),
 	ONYX(Type.GEM, "Onyx", "ON", ItemID.UNCUT_ONYX, ItemID.ONYX),
 	ZENYTE(Type.GEM, "Zenyte", "Z", ItemID.UNCUT_ZENYTE, ItemID.ZENYTE),
+	SHADOW_DIAMOND(Type.GEM, "Shadow", "SHD", ItemID.SHADOW_DIAMOND),
+	BLOOD_DIAMOND(Type.GEM, "Blood", "BD", ItemID.BLOOD_DIAMOND),
+	ICE_DIAMOND(Type.GEM, "Ice", "ID", ItemID.ICE_DIAMOND),
+	SMOKE_DIAMOND(Type.GEM, "Smoke", "SMD", ItemID.SMOKE_DIAMOND),
 
 	// Potions
 	ATTACK(Type.POTION, "Att", "A", ItemID.ATTACK_POTION4, ItemID.ATTACK_POTION3, ItemID.ATTACK_POTION2, ItemID.ATTACK_POTION1),
diff --git a/runelite-client/src/main/java/net/runelite/client/rs/ClientLoader.java b/runelite-client/src/main/java/net/runelite/client/rs/ClientLoader.java
index ecef26b8ec..66e85d9f4a 100644
--- a/runelite-client/src/main/java/net/runelite/client/rs/ClientLoader.java
+++ b/runelite-client/src/main/java/net/runelite/client/rs/ClientLoader.java
@@ -495,7 +495,7 @@ public class ClientLoader implements Supplier<Applet>
 			}
 		}
 
-		try (HashingOutputStream hos = new HashingOutputStream(Hashing.sha512(), new FileOutputStream(PATCHED_CACHE));
+		try (HashingOutputStream hos = new HashingOutputStream(Hashing.sha512(), java.nio.file.Files.newOutputStream(PATCHED_CACHE.toPath()));
 			InputStream patch = ClientLoader.class.getResourceAsStream("/client.patch"))
 		{
 			new FileByFileV1DeltaApplier().applyDelta(VANILLA_CACHE, patch, hos);