diff --git a/changelogs/3.17.md b/changelogs/3.17.md
index 577990168..0e710dbed 100644
--- a/changelogs/3.17.md
+++ b/changelogs/3.17.md
@@ -21,3 +21,8 @@ Plugin developers should **only** update their required API to this version if y
 - Server uptime is now included in crash reports.
 - Hoes now take damage when used to break sponges.
 - Using lava as fuel in a furnace now leaves behind an empty bucket.
+
+# 3.17.2
+- Fixed region header corruption when chunks with larger-than-expected lengths are found. These chunks are now treated as corrupted, instead of automatically attempting to salvage them (which usually fails anyway).
+- `RegionLoader->removeChunk()` now allows the space used by the removed chunk to be reused by future region saves.
+- Extracted `Living->applyConsumptionResults()` from `Living->consumeObject()` (preparation for a future bug fix).
diff --git a/src/PocketMine.php b/src/PocketMine.php
index 857256990..c97474a3f 100644
--- a/src/PocketMine.php
+++ b/src/PocketMine.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace pocketmine {
 
+	use Composer\InstalledVersions;
 	use pocketmine\errorhandler\ErrorToExceptionHandler;
 	use pocketmine\thread\ThreadManager;
 	use pocketmine\utils\Filesystem;
@@ -188,6 +189,20 @@ namespace pocketmine {
 		}
 		define('pocketmine\COMPOSER_AUTOLOADER_PATH', $bootstrap);
 		require_once(\pocketmine\COMPOSER_AUTOLOADER_PATH);
+
+		$composerGitHash = InstalledVersions::getReference('pocketmine/pocketmine-mp');
+		if($composerGitHash !== null){
+			//we can't verify dependency versions if we were installed without using git
+			$currentGitHash = explode("-", VersionInfo::getGitHash())[0];
+			if($currentGitHash !== $composerGitHash){
+				critical_error("Composer dependencies and/or autoloader are out of sync.");
+				critical_error("- Current revision is $currentGitHash");
+				critical_error("- Composer dependencies were last synchronized for revision $composerGitHash");
+				critical_error("Out-of-sync Composer dependencies may result in crashes and classes not being found.");
+				critical_error("Please synchronize Composer dependencies before running the server.");
+				exit(1);
+			}
+		}
 		if(extension_loaded('parallel')){
 			\parallel\bootstrap(\pocketmine\COMPOSER_AUTOLOADER_PATH);
 		}
diff --git a/src/entity/Human.php b/src/entity/Human.php
index daac796a2..88321e834 100644
--- a/src/entity/Human.php
+++ b/src/entity/Human.php
@@ -157,16 +157,20 @@ class Human extends Living implements ProjectileSource, InventoryHolder{
 	}
 
 	public function consumeObject(Consumable $consumable) : bool{
-		if($consumable instanceof FoodSource){
-			if($consumable->requiresHunger() and !$this->hungerManager->isHungry()){
-				return false;
-			}
+		if($consumable instanceof FoodSource && $consumable->requiresHunger() and !$this->hungerManager->isHungry()){
+			return false;
+		}
 
+		return parent::consumeObject($consumable);
+	}
+
+	protected function applyConsumptionResults(Consumable $consumable) : void{
+		if($consumable instanceof FoodSource){
 			$this->hungerManager->addFood($consumable->getFoodRestore());
 			$this->hungerManager->addSaturation($consumable->getSaturationRestore());
 		}
 
-		return parent::consumeObject($consumable);
+		parent::applyConsumptionResults($consumable);
 	}
 
 	public function getXpManager() : ExperienceManager{
diff --git a/src/entity/Living.php b/src/entity/Living.php
index 08890698e..8db76c63b 100644
--- a/src/entity/Living.php
+++ b/src/entity/Living.php
@@ -269,13 +269,20 @@ abstract class Living extends Entity{
 	 * etc.
 	 */
 	public function consumeObject(Consumable $consumable) : bool{
+		$this->applyConsumptionResults($consumable);
+		return true;
+	}
+
+	/**
+	 * Applies effects from consuming the object. This shouldn't do any can-consume checks (those are expected to be
+	 * handled by the caller).
+	 */
+	protected function applyConsumptionResults(Consumable $consumable) : void{
 		foreach($consumable->getAdditionalEffects() as $effect){
 			$this->effectManager->add($effect);
 		}
 
 		$consumable->onConsume($this);
-
-		return true;
 	}
 
 	/**