diff --git a/CHANGELOG.md b/CHANGELOG.md
index d28dd816d..7931773fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,16 @@
   a URL. Please see the documentation comment in `settings.json.template`.
 * The undocumented `faviconPad` and `faviconTimeslider` settings have been
   removed.
+* MySQL/MariaDB now uses connection pooling, which means you will see up to 10
+  connections to the MySQL/MariaDB server (by default) instead of 1. This might
+  cause Etherpad to crash with a "ER_CON_COUNT_ERROR: Too many connections"
+  error if your server is configured with a low connection limit.
+
+### Notable enhancements
+
+* MySQL/MariaDB now uses connection pooling, which should improve stability and
+  reduce latency.
+* Bulk database writes are now retried individually on write failure.
 
 # 1.8.13
 
diff --git a/src/package-lock.json b/src/package-lock.json
index 5eade554e..8e03c1cdd 100644
--- a/src/package-lock.json
+++ b/src/package-lock.json
@@ -23,25 +23,25 @@
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+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.2.0.tgz",
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+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@azure/core-auth/-/core-auth-1.3.0.tgz",
+      "integrity": "sha512-kSDSZBL6c0CYdhb+7KuutnKGf2geeT+bCJAgccB0DD7wmNJSsQPcF7TcuoZX83B7VK4tLz/u+8sOO/CnCsYp8A==",
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+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.2.0.tgz",
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@@ -51,13 +51,11 @@
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+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/@azure/ms-rest-js/-/ms-rest-js-2.4.0.tgz",
+      "integrity": "sha512-kvksFowDDZ/Tqu0hkCp+oDRhh87QOlRPgx8tOIMbdbfm/Muvfdp5f0cwrgzguqT3nhmkcLzt1cvQbLTM0HmS/A==",
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-        "@types/tunnel": "0.0.1",
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         "node-fetch": "^2.6.0",
@@ -91,13 +89,36 @@
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+      "resolved": "https://registry.npmjs.org/@azure/ms-rest-nodeauth/-/ms-rest-nodeauth-3.0.9.tgz",
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         "@azure/ms-rest-js": "^2.0.4",
         "adal-node": "^0.1.28"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.66.tgz",
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+        },
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+          "resolved": "https://registry.npmjs.org/adal-node/-/adal-node-0.1.28.tgz",
+          "integrity": "sha1-RoxLs+u9lrEnBmn0ucuk4AZepIU=",
+          "requires": {
+            "@types/node": "^8.0.47",
+            "async": ">=0.6.0",
+            "date-utils": "*",
+            "jws": "3.x.x",
+            "request": ">= 2.52.0",
+            "underscore": ">= 1.3.1",
+            "uuid": "^3.1.0",
+            "xmldom": ">= 0.1.x",
+            "xpath.js": "~1.1.0"
+          }
+        }
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-            "combined-stream": "^1.0.8",
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-      "integrity": "sha1-RoxLs+u9lrEnBmn0ucuk4AZepIU=",
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-        "async": ">=0.6.0",
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-        "request": ">= 2.52.0",
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@@ -7191,14 +7212,14 @@
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-        "redis-commands": "^1.5.0",
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@@ -7546,11 +7558,6 @@
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@@ -7559,6 +7566,11 @@
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+      "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.0.tgz",
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+      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-2.38.0.tgz",
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-        "debug": "^4.3.2"
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@@ -8257,29 +8269,32 @@
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+      "version": "11.0.7",
+      "resolved": "https://registry.npmjs.org/tedious/-/tedious-11.0.7.tgz",
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-        "adal-node": "^0.1.28",
-        "bl": "^3.0.0",
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+        "adal-node": "^0.2.1",
+        "bl": "^4.0.3",
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         "iconv-lite": "^0.6.2",
-        "jsbi": "^3.1.3",
+        "jsbi": "^3.1.4",
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+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
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+            "buffer": "^5.5.0",
+            "inherits": "^2.0.4",
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@@ -8445,9 +8460,9 @@
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+      "version": "1.4.7",
+      "resolved": "https://registry.npmjs.org/ueberdb2/-/ueberdb2-1.4.7.tgz",
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@@ -8782,9 +8797,9 @@
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diff --git a/src/package.json b/src/package.json
index 1bd9dce0a..1d8778f34 100644
--- a/src/package.json
+++ b/src/package.json
@@ -69,7 +69,7 @@
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+    "ueberdb2": "^1.4.7",
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     "unorm": "1.6.0",
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