diff --git a/.licensed.yml b/.licensed.yml
index cd9157732d2..c5903c31e0c 100644
--- a/.licensed.yml
+++ b/.licensed.yml
@@ -30,6 +30,7 @@ ignored:
     - strscan # Ruby (default gem)
     - timeout # Ruby (default gem)
     - uri # Ruby (default gem)
+    - mutex_m # BSD-2-Clause
 
 reviewed:
   bundler:
@@ -64,3 +65,4 @@ reviewed:
     - tilt # MIT
     - unf # BSD-2-Clause
     - unicorn # Ruby or GPLv2/GPLv3
+    - drb # BSD-2-Clause
diff --git a/Gemfile b/Gemfile
index f73aeecb6ba..bae9d8b9852 100644
--- a/Gemfile
+++ b/Gemfile
@@ -55,8 +55,6 @@ gem "message_bus"
 
 gem "rails_multisite"
 
-gem "fast_xs", platform: :ruby
-
 gem "fastimage"
 
 gem "aws-sdk-s3", require: false
@@ -199,8 +197,6 @@ gem "puma", require: false
 
 gem "rbtrace", require: false, platform: :mri
 
-gem "gc_tracer", require: false, platform: :mri
-
 # required for feed importing and embedding
 gem "ruby-readability", require: false
 
@@ -269,3 +265,8 @@ gem "net-http"
 gem "cgi", ">= 0.3.6", require: false
 
 gem "tzinfo-data"
+gem "csv", require: false
+
+# TODO: Can be removed once we upgrade to Rails 7.1
+gem "mutex_m"
+gem "drb"
diff --git a/Gemfile.lock b/Gemfile.lock
index 0ae09f3ea28..03817d62fd7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    actionview_precompiler (0.3.0)
+    actionview_precompiler (0.4.0)
       actionview (>= 6.0.a)
     active_model_serializers (0.8.4)
       activemodel (>= 3.0)
@@ -117,6 +117,7 @@ GEM
     crass (1.0.6)
     css_parser (1.16.0)
       addressable
+    csv (3.3.0)
     date (3.3.4)
     debug_inspector (1.2.0)
     diff-lcs (1.5.0)
@@ -130,6 +131,7 @@ GEM
       faker (~> 2.16)
       literate_randomizer
     docile (1.4.0)
+    drb (2.2.1)
     email_reply_trimmer (0.1.13)
     erubi (1.12.0)
     excon (0.109.0)
@@ -146,17 +148,15 @@ GEM
     faraday-retry (2.2.0)
       faraday (~> 2.0)
     fast_blank (1.0.1)
-    fast_xs (0.8.0)
     fastimage (2.3.0)
     ffi (1.16.3)
     fspath (3.1.2)
-    gc_tracer (1.5.1)
     globalid (1.2.1)
       activesupport (>= 6.1)
-    google-protobuf (3.25.2-aarch64-linux)
-    google-protobuf (3.25.2-arm64-darwin)
-    google-protobuf (3.25.2-x86_64-darwin)
-    google-protobuf (3.25.2-x86_64-linux)
+    google-protobuf (3.25.3-aarch64-linux)
+    google-protobuf (3.25.3-arm64-darwin)
+    google-protobuf (3.25.3-x86_64-darwin)
+    google-protobuf (3.25.3-x86_64-linux)
     guess_html_encoding (0.0.11)
     hana (1.3.7)
     hashdiff (1.1.0)
@@ -234,6 +234,7 @@ GEM
     multi_json (1.15.0)
     multi_xml (0.6.0)
     mustache (1.1.1)
+    mutex_m (0.2.0)
     net-http (0.4.1)
       uri
     net-imap (0.4.9.1)
@@ -522,6 +523,7 @@ PLATFORMS
   arm64-darwin-20
   arm64-darwin-21
   arm64-darwin-22
+  arm64-darwin-23
   x86_64-darwin-18
   x86_64-darwin-19
   x86_64-darwin-20
@@ -554,11 +556,13 @@ DEPENDENCIES
   cose
   cppjieba_rb
   css_parser
+  csv
   diffy
   digest
   discourse-fonts
   discourse-seed-fu
   discourse_dev_assets
+  drb
   email_reply_trimmer
   excon
   execjs
@@ -568,9 +572,7 @@ DEPENDENCIES
   faraday
   faraday-retry
   fast_blank
-  fast_xs
   fastimage
-  gc_tracer
   highline
   htmlentities
   http_accept_language
@@ -599,6 +601,7 @@ DEPENDENCIES
   mocha
   multi_json
   mustache
+  mutex_m
   net-http
   net-imap
   net-pop