diff --git a/docs/docs/user-guide/cli-options.md b/docs/docs/user-guide/cli-options.md
index 3f8c940cd..298b366eb 100644
--- a/docs/docs/user-guide/cli-options.md
+++ b/docs/docs/user-guide/cli-options.md
@@ -161,8 +161,6 @@ Options:
                                             econds) after behaviors before movin
                                             g on to next page
                                                            [number] [default: 0]
-      --dedupPolicy                         Deduplication policy
-                 [string] [choices: "skip", "revisit", "keep"] [default: "skip"]
       --profile                             Path or HTTP(S) URL to tar.gz file w
                                             hich contains the browser profile di
                                             rectory                     [string]
@@ -202,7 +200,7 @@ Options:
                                                            [number] [default: 0]
       --diskUtilization                     If set, save state and exit if disk
                                             utilization exceeds this percentage
-                                            value         [number] [default: 90]
+                                            value          [number] [default: 0]
       --timeLimit                           If set, save state and exit after ti
                                             me limit, in seconds
                                                            [number] [default: 0]
diff --git a/package.json b/package.json
index e62a23d6e..0b219ed40 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "browsertrix-crawler",
-  "version": "1.6.2",
+  "version": "1.6.3",
   "main": "browsertrix-crawler",
   "type": "module",
   "repository": "https://github.com/webrecorder/browsertrix-crawler",
@@ -18,7 +18,7 @@
   "dependencies": {
     "@novnc/novnc": "1.4.0",
     "@puppeteer/replay": "^3.1.1",
-    "@webrecorder/wabac": "^2.22.16",
+    "@webrecorder/wabac": "^2.23.3",
     "browsertrix-behaviors": "^0.8.5",
     "client-zip": "^2.4.5",
     "css-selector-parser": "^3.0.5",
diff --git a/src/util/argParser.ts b/src/util/argParser.ts
index c0564ec9a..73da878ba 100644
--- a/src/util/argParser.ts
+++ b/src/util/argParser.ts
@@ -392,13 +392,6 @@ class ArgParser {
           type: "number",
         },
 
-        dedupPolicy: {
-          describe: "Deduplication policy",
-          default: "skip",
-          type: "string",
-          choices: ["skip", "revisit", "keep"],
-        },
-
         profile: {
           describe:
             "Path or HTTP(S) URL to tar.gz file which contains the browser profile directory",
@@ -475,7 +468,7 @@ class ArgParser {
           describe:
             "If set, save state and exit if disk utilization exceeds this percentage value",
           type: "number",
-          default: 90,
+          default: 0,
         },
 
         timeLimit: {
diff --git a/src/util/recorder.ts b/src/util/recorder.ts
index 04c91be43..aaa4a425f 100644
--- a/src/util/recorder.ts
+++ b/src/util/recorder.ts
@@ -41,7 +41,7 @@ const WRITE_DUPE_KEY = "s:writedupe";
 const MIME_EVENT_STREAM = "text/event-stream";
 
 const RW_MIME_TYPES = [
-  "application/x-mpegURL",
+  "application/x-mpegurl",
   "application/vnd.apple.mpegurl",
   "application/dash+xml",
   "text/html",
@@ -1117,11 +1117,13 @@ export class Recorder extends EventEmitter {
       return false;
     }
 
+    contentType = contentType.toLowerCase();
+
     let newString = null;
     let string = null;
 
     switch (contentType) {
-      case "application/x-mpegURL":
+      case "application/x-mpegurl":
       case "application/vnd.apple.mpegurl":
         string = payload.toString();
         newString = rewriteHLS(string, { save: extraOpts });
@@ -1171,7 +1173,7 @@ export class Recorder extends EventEmitter {
       return true;
     }
 
-    if (RW_MIME_TYPES.includes(contentType)) {
+    if (RW_MIME_TYPES.includes(contentType.toLowerCase())) {
       return true;
     }
 
diff --git a/tsconfig.json b/tsconfig.json
index 50ecc48c8..e913ef61c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -101,8 +101,8 @@
     // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
 
     /* Completeness */
-    // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
-    "skipLibCheck": false /* Skip type checking all .d.ts files. */
+    "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
+    "skipLibCheck": true /* Skip type checking all .d.ts files. */
   },
 
   "include": ["src/**/*"]
diff --git a/yarn.lock b/yarn.lock
index 014c76917..4cb40b072 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1134,16 +1134,16 @@
   resolved "https://registry.yarnpkg.com/@ungap/structured-clone/-/structured-clone-1.2.0.tgz#756641adb587851b5ccb3e095daf27ae581c8406"
   integrity sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==
 
-"@webrecorder/wabac@^2.22.16":
-  version "2.22.16"
-  resolved "https://registry.yarnpkg.com/@webrecorder/wabac/-/wabac-2.22.16.tgz#8b9684569b373b8e930852bce4512e2bd2810d65"
-  integrity sha512-n39kwNOD/bKpAFwQ8AXImFqOUhfqUYoz41E0baGfoXydnJc2LKiS7SMqg3wDHazZH3y2DVlUpPknrD7UM75g0A==
+"@webrecorder/wabac@^2.23.3":
+  version "2.23.3"
+  resolved "https://registry.yarnpkg.com/@webrecorder/wabac/-/wabac-2.23.3.tgz#405f53649183c54fd116e334eae2666d6514a341"
+  integrity sha512-NlPNGNmilNf/NEqHbCNPcib4GNnZKQJKK3PIiI0BvEdem/TEjvcn5wEBbUntTYn+VwrhX36QY2HC7Iag+dVnvw==
   dependencies:
     "@peculiar/asn1-ecc" "^2.3.4"
     "@peculiar/asn1-schema" "^2.3.3"
     "@peculiar/x509" "^1.9.2"
     "@types/js-levenshtein" "^1.1.3"
-    "@webrecorder/wombat" "^3.8.12"
+    "@webrecorder/wombat" "^3.8.13"
     acorn "^8.10.0"
     auto-js-ipfs "^2.1.1"
     base64-js "^1.5.1"
@@ -1164,10 +1164,10 @@
     stream-browserify "^3.0.0"
     warcio "^2.4.3"
 
-"@webrecorder/wombat@^3.8.12":
-  version "3.8.12"
-  resolved "https://registry.yarnpkg.com/@webrecorder/wombat/-/wombat-3.8.12.tgz#8d44ce0b1bda57ae496f2cf44d4d967feaa019fd"
-  integrity sha512-4lbjp0XKPBRjyxEZBDZTPEGO6msBX8+irkRzbgFcmnxs5Ln4O9QbYDAr/RB4vTsFlytWcC68VBLwZx2SfIE8dw==
+"@webrecorder/wombat@^3.8.13":
+  version "3.8.13"
+  resolved "https://registry.yarnpkg.com/@webrecorder/wombat/-/wombat-3.8.13.tgz#264f639dd102dca415f5d01a649d6b95dfac9779"
+  integrity sha512-gg80bEpJE+2Wn0ZTbfCkt9+vTftJemBwAWe9TYXo7ErCX1v7RbIrZ5LfkjSWx3vCx6R4V31DxXk1mycsVrEapA==
   dependencies:
     warcio "^2.4.0"