diff --git a/Changelog.md b/Changelog.md
index e2037dbf6..2505ab652 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -13,6 +13,9 @@ Changes are in reverse chronological order; newest changes at the top.
   * Measures the temperature of the block it's facing and converts to a redstone signal
   * Use a Redstone Module on the same colour channel to output the signal
 
+### Fixed
+* Some memory leak fixes and general improvements around handling and caching of air handlers capabilities - thanks @BlueAgent
+
 ## [4.3.12]
 
 ### Fixed
diff --git a/release_info.json b/release_info.json
index 7852d25ef..d47107520 100644
--- a/release_info.json
+++ b/release_info.json
@@ -1,8 +1,8 @@
 {
   "homepage": "https://minecraft.curseforge.com/projects/pneumaticcraft-repressurized",
   "promos": {
-    "1.19.2-recommended": "1.19.2-4.3.11",
-    "1.19.2-latest": "1.19.2-4.3.11"
+    "1.19.2-recommended": "1.19.2-4.3.13",
+    "1.19.2-latest": "1.19.2-4.3.13"
   },
   "1.19.2": {
     "1.19.2-4.1.0-128": "https://github.com/TeamPneumatic/pnc-repressurized/blob/1.19.2/Changelog.md#410-128-9-aug-2022",
@@ -21,6 +21,8 @@
     "1.19.2-4.3.8": "https://github.com/TeamPneumatic/pnc-repressurized/blob/1.19.2/Changelog.md#438",
     "1.19.2-4.3.9": "https://github.com/TeamPneumatic/pnc-repressurized/blob/1.19.2/Changelog.md#439",
     "1.19.2-4.3.10": "https://github.com/TeamPneumatic/pnc-repressurized/blob/1.19.2/Changelog.md#4310",
-    "1.19.2-4.3.11": "https://github.com/TeamPneumatic/pnc-repressurized/blob/1.19.2/Changelog.md#4311"
+    "1.19.2-4.3.11": "https://github.com/TeamPneumatic/pnc-repressurized/blob/1.19.2/Changelog.md#4311",
+    "1.19.2-4.3.12": "https://github.com/TeamPneumatic/pnc-repressurized/blob/1.19.2/Changelog.md#4312",
+    "1.19.2-4.3.13": "https://github.com/TeamPneumatic/pnc-repressurized/blob/1.19.2/Changelog.md#4313"
   }
 }