diff --git a/.github/workflows/discord-release-notify.yml b/.github/workflows/discord-release-notify.yml
index 595b7374a..91fb4c83e 100644
--- a/.github/workflows/discord-release-notify.yml
+++ b/.github/workflows/discord-release-notify.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Setup PHP and tools
-        uses: shivammathur/setup-php@2.23.0
+        uses: shivammathur/setup-php@2.24.0
         with:
           php-version: 8.0
 
diff --git a/.github/workflows/draft-release.yml b/.github/workflows/draft-release.yml
index 3d49656a8..0b7217a08 100644
--- a/.github/workflows/draft-release.yml
+++ b/.github/workflows/draft-release.yml
@@ -18,7 +18,7 @@ jobs:
           submodules: true
 
       - name: Setup PHP
-        uses: shivammathur/setup-php@2.23.0
+        uses: shivammathur/setup-php@2.24.0
         with:
           php-version: 8.0
 
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 85abd45ed..48927a0b6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,6 +9,7 @@ jobs:
   build-php:
     name: Prepare PHP
     runs-on: ${{ matrix.image }}
+    concurrency: php-build-${{ matrix.php }}
 
     strategy:
       matrix:
@@ -203,7 +204,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Setup PHP and tools
-        uses: shivammathur/setup-php@2.23.0
+        uses: shivammathur/setup-php@2.24.0
         with:
           php-version: 8.0
           tools: php-cs-fixer:3.11
diff --git a/build/php b/build/php
index b479ec438..c6585061c 160000
--- a/build/php
+++ b/build/php
@@ -1 +1 @@
-Subproject commit b479ec438f05459eac959f4952152527bbc7ce0b
+Subproject commit c6585061ca9b2f5aed7d030aae583fc3de9b2557
diff --git a/changelogs/4.12.md b/changelogs/4.12.md
index 8878a42f5..068fefab4 100644
--- a/changelogs/4.12.md
+++ b/changelogs/4.12.md
@@ -104,3 +104,16 @@ Released 18th January 2023.
 ## Note about server load & performance
 This version will report higher apparent server load than previous versions. The actual performance of the server is unchanged; the previous reported load was inaccurate.
 These bugs have been present for nearly 5 years (ever since the first introduction of Snooze in 3.0.0).
+
+# 4.12.11
+Released 22nd January 2023.
+
+## General
+- Code is now tested and analysed using PHP 8.2 in addition to 8.1 and 8.0.
+
+## Fixes
+- Fixed pthreads 5.0.0 incorrectly being treated as compatible.
+- Fixed deprecation errors on PHP 8.2.
+
+## Documentation
+- Updated documentation in `PlayerPreLoginEvent`.
diff --git a/composer.json b/composer.json
index f4f97914f..68ee421c9 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
       "pocketmine/bedrock-block-upgrade-schema": "dev-master@dev",
       "pocketmine/bedrock-data": "dev-modern-world-support@dev",
       "pocketmine/bedrock-item-upgrade-schema": "dev-master",
-      "pocketmine/bedrock-protocol": "~18.0.0+bedrock-1.19.50",
+      "pocketmine/bedrock-protocol": "~18.1.0+bedrock-1.19.50",
       "pocketmine/binaryutils": "^0.2.1",
       "pocketmine/callback-validator": "^1.0.2",
       "pocketmine/classloader": "^0.3.0",
@@ -55,7 +55,7 @@
       "symfony/filesystem": "^5.4"
    },
    "require-dev": {
-      "phpstan/phpstan": "1.9.13",
+      "phpstan/phpstan": "1.9.14",
       "phpstan/phpstan-phpunit": "^1.1.0",
       "phpstan/phpstan-strict-rules": "^1.2.0",
       "phpunit/phpunit": "^9.2"
diff --git a/composer.lock b/composer.lock
index fec4f42dc..55c86608e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "17ca826af1a32c9768cd162e75d10ad5",
+    "content-hash": "dbe37580d73d76d72e1b883fe73e1dad",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -330,16 +330,16 @@
         },
         {
             "name": "pocketmine/bedrock-protocol",
-            "version": "18.0.0+bedrock-1.19.50",
+            "version": "18.1.0+bedrock-1.19.50",
             "source": {
                 "type": "git",
                 "url": "https://github.com/pmmp/BedrockProtocol.git",
-                "reference": "b558ec883bd967dd3339f513cba62d2fbcd63349"
+                "reference": "c34f22847a1cc362a3f1c45698576d30d1e8392f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/pmmp/BedrockProtocol/zipball/b558ec883bd967dd3339f513cba62d2fbcd63349",
-                "reference": "b558ec883bd967dd3339f513cba62d2fbcd63349",
+                "url": "https://api.github.com/repos/pmmp/BedrockProtocol/zipball/c34f22847a1cc362a3f1c45698576d30d1e8392f",
+                "reference": "c34f22847a1cc362a3f1c45698576d30d1e8392f",
                 "shasum": ""
             },
             "require": {
@@ -353,7 +353,7 @@
                 "ramsey/uuid": "^4.1"
             },
             "require-dev": {
-                "phpstan/phpstan": "1.9.4",
+                "phpstan/phpstan": "1.9.13",
                 "phpstan/phpstan-phpunit": "^1.0.0",
                 "phpstan/phpstan-strict-rules": "^1.0.0",
                 "phpunit/phpunit": "^9.5"
@@ -371,9 +371,9 @@
             "description": "An implementation of the Minecraft: Bedrock Edition protocol in PHP",
             "support": {
                 "issues": "https://github.com/pmmp/BedrockProtocol/issues",
-                "source": "https://github.com/pmmp/BedrockProtocol/tree/18.0.0+bedrock-1.19.50"
+                "source": "https://github.com/pmmp/BedrockProtocol/tree/18.1.0+bedrock-1.19.50"
             },
-            "time": "2023-01-06T21:47:35+00:00"
+            "time": "2023-01-20T12:35:30+00:00"
         },
         {
             "name": "pocketmine/binaryutils",
@@ -1088,16 +1088,16 @@
         },
         {
             "name": "symfony/filesystem",
-            "version": "v5.4.13",
+            "version": "v5.4.19",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "ac09569844a9109a5966b9438fc29113ce77cf51"
+                "reference": "648bfaca6a494f3e22378123bcee2894045dc9d8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/ac09569844a9109a5966b9438fc29113ce77cf51",
-                "reference": "ac09569844a9109a5966b9438fc29113ce77cf51",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/648bfaca6a494f3e22378123bcee2894045dc9d8",
+                "reference": "648bfaca6a494f3e22378123bcee2894045dc9d8",
                 "shasum": ""
             },
             "require": {
@@ -1132,7 +1132,7 @@
             "description": "Provides basic utilities for the filesystem",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/filesystem/tree/v5.4.13"
+                "source": "https://github.com/symfony/filesystem/tree/v5.4.19"
             },
             "funding": [
                 {
@@ -1148,7 +1148,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-09-21T19:53:16+00:00"
+            "time": "2023-01-14T19:14:44+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -1777,16 +1777,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.9.13",
+            "version": "1.9.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "a0922426da3a7d0d9334e99a363f7f9f6e23e84f"
+                "reference": "e5fcc96289cf737304286a9b505fbed091f02e58"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/a0922426da3a7d0d9334e99a363f7f9f6e23e84f",
-                "reference": "a0922426da3a7d0d9334e99a363f7f9f6e23e84f",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e5fcc96289cf737304286a9b505fbed091f02e58",
+                "reference": "e5fcc96289cf737304286a9b505fbed091f02e58",
                 "shasum": ""
             },
             "require": {
@@ -1816,7 +1816,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.9.13"
+                "source": "https://github.com/phpstan/phpstan/tree/1.9.14"
             },
             "funding": [
                 {
@@ -1832,7 +1832,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-01-18T15:26:53+00:00"
+            "time": "2023-01-19T10:47:09+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",
@@ -1936,16 +1936,16 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "9.2.23",
+            "version": "9.2.24",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "9f1f0f9a2fbb680b26d1cf9b61b6eac43a6e4e9c"
+                "reference": "2cf940ebc6355a9d430462811b5aaa308b174bed"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/9f1f0f9a2fbb680b26d1cf9b61b6eac43a6e4e9c",
-                "reference": "9f1f0f9a2fbb680b26d1cf9b61b6eac43a6e4e9c",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/2cf940ebc6355a9d430462811b5aaa308b174bed",
+                "reference": "2cf940ebc6355a9d430462811b5aaa308b174bed",
                 "shasum": ""
             },
             "require": {
@@ -2001,7 +2001,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.23"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.24"
             },
             "funding": [
                 {
@@ -2009,7 +2009,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-12-28T12:41:10+00:00"
+            "time": "2023-01-26T08:26:55+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
diff --git a/src/MemoryManager.php b/src/MemoryManager.php
index d1e92765b..2f53e63c1 100644
--- a/src/MemoryManager.php
+++ b/src/MemoryManager.php
@@ -71,7 +71,7 @@ use const SORT_NUMERIC;
 class MemoryManager{
 	private const DEFAULT_CHECK_RATE = Server::TARGET_TICKS_PER_SECOND;
 	private const DEFAULT_CONTINUOUS_TRIGGER_RATE = Server::TARGET_TICKS_PER_SECOND * 2;
-	private const DEEFAULT_TICKS_PER_GC = 30 * 60 * Server::TARGET_TICKS_PER_SECOND;
+	private const DEFAULT_TICKS_PER_GC = 30 * 60 * Server::TARGET_TICKS_PER_SECOND;
 
 	private int $memoryLimit;
 	private int $globalMemoryLimit;
@@ -139,7 +139,7 @@ class MemoryManager{
 		$this->continuousTrigger = $config->getPropertyBool("memory.continuous-trigger", true);
 		$this->continuousTriggerRate = $config->getPropertyInt("memory.continuous-trigger-rate", self::DEFAULT_CONTINUOUS_TRIGGER_RATE);
 
-		$this->garbageCollectionPeriod = $config->getPropertyInt("memory.garbage-collection.period", self::DEEFAULT_TICKS_PER_GC);
+		$this->garbageCollectionPeriod = $config->getPropertyInt("memory.garbage-collection.period", self::DEFAULT_TICKS_PER_GC);
 		$this->garbageCollectionTrigger = $config->getPropertyBool("memory.garbage-collection.low-memory-trigger", true);
 		$this->garbageCollectionAsync = $config->getPropertyBool("memory.garbage-collection.collect-async-worker", true);