diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 7474bea5230b..9d6910aff4a2 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -1063,6 +1063,12 @@
     githubId = 55833;
     name = "Troels Henriksen";
   };
+  atila = {
+    name = "Átila Saraiva";
+    email = "atilasaraiva@gmail.com";
+    github = "AtilaSaraiva";
+    githubId = 29521461;
+  };
   atkinschang = {
     email = "atkinschang+nixpkgs@gmail.com";
     github = "AtkinsChang";
diff --git a/pkgs/applications/networking/browsers/icecat-bin/default.nix b/pkgs/applications/networking/browsers/icecat-bin/default.nix
index 2427570a59d0..cdcbd1fcf5e7 100644
--- a/pkgs/applications/networking/browsers/icecat-bin/default.nix
+++ b/pkgs/applications/networking/browsers/icecat-bin/default.nix
@@ -126,5 +126,8 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ dan4ik605743 ];
     platforms = platforms.linux;
+    knownVulnerabilities = [
+      "Binary builds of GNU Icecat have not seen an update since 2019, while Firefox has received many security advisories."
+    ];
   };
 }
diff --git a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
index 5ed9c192b68a..0edc9df8618d 100644
--- a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
@@ -24,7 +24,7 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "signal-desktop";
-  version = "5.29.1"; # Please backport all updates to the stable channel.
+  version = "5.30.0"; # Please backport all updates to the stable channel.
   # All releases have a limited lifetime and "expire" 90 days after the release.
   # When releases "expire" the application becomes unusable until an update is
   # applied. The expiration date for the current release can be extracted with:
@@ -34,7 +34,7 @@ in stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "https://updates.signal.org/desktop/apt/pool/main/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-    sha256 = "1a56mnmv0lnizmd4dl8fya3mdsy0jy5qr5bqb72m9cipq0069alc";
+    sha256 = "sha256-+e3QzV4WIBOSGkpy6uk6vzIcNB5NpqQ05ZZfaoi58IU=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/servers/web-apps/discourse/default.nix b/pkgs/servers/web-apps/discourse/default.nix
index 14de87c90235..693e638dec6e 100644
--- a/pkgs/servers/web-apps/discourse/default.nix
+++ b/pkgs/servers/web-apps/discourse/default.nix
@@ -10,13 +10,13 @@
 }@args:
 
 let
-  version = "2.8.0.beta11";
+  version = "2.9.0.beta1";
 
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse";
     rev = "v${version}";
-    sha256 = "sha256-dTem4or0SunXCJFpNkeM0CSXY+58AeQAuMaLzhfGMY0=";
+    sha256 = "sha256-mf2Niyv1H+Zq7RfnV93O1Ul9RdRrtmtAJMBJrb8hp3U=";
   };
 
   runtimeDeps = [
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-assign/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-assign/default.nix
index 006eb0ee882d..2a1970e92dd3 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-assign/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-assign/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-assign";
-    rev = "a52da2396c5787a07c2746890bb44a0921a149e9";
-    sha256 = "sha256-UzpDesqxC20teyKYwqizYvjvR47zApyLporCU71RNvk=";
+    rev = "ffe95da7ed0cf0893a76af37498784ad92041131";
+    sha256 = "sha256-FdZATO1Z6XmhForETZ2FC+6wfR437cpRg8QSFzmbsxQ=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-docs";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/Gemfile.lock b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/Gemfile.lock
index d8596a5c2fa4..727fde304953 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/Gemfile.lock
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
     concurrent-ruby (1.1.9)
-    i18n (1.8.11)
+    i18n (1.9.1)
       concurrent-ruby (~> 1.0)
     minitest (5.15.0)
     rrule (0.4.2)
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/default.nix
index ef3309652d4b..1d3e2756bb0d 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/default.nix
@@ -6,8 +6,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-calendar";
-    rev = "f3b64f7b8c009f18bdc16def7c7299f747ea08ab";
-    sha256 = "sha256-ACbPMfqyFj9877r56qr+wxHEln+L1sAuQg/YUDGpuds=";
+    rev = "765d16242ffeb4324c3269393d3fa81e9b751d4f";
+    sha256 = "sha256-YYxspW0DX0DUBwPOcvX2pLJYmyK4b56LdjL6avLKzRs=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-calendar";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/gemset.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/gemset.nix
index a03e644d9b4e..48598802c61c 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/gemset.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-calendar/gemset.nix
@@ -26,10 +26,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0vdd1kii40qhbr9n8qx71k2gskq6rkl8ygy8hw5hfj8bb5a364xf";
+      sha256 = "1nancdgq51wk3c1pkxps0rkjsfdwnkx60hzkm947m5rzsz8b2sw8";
       type = "gem";
     };
-    version = "1.8.11";
+    version = "1.9.1";
   };
   minitest = {
     groups = ["default"];
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-canned-replies/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-canned-replies/default.nix
index 7d9042f67b40..43ef518a9cec 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-canned-replies/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-canned-replies/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-canned-replies";
-    rev = "598946bc92171426792f120f0a68ad4ecaae1c91";
-    sha256 = "sha256-HLrmj/dHj6wWUEqsFAh8gIPaZCIaXN1kZo17UHJwP70=";
+    rev = "8762b8d0fe28ffcacc427e7a683b971bf125a881";
+    sha256 = "sha256-ZAm/A45vAofiOiqXS/STt4XO3FJ6XUFyVydsFaI40+k=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-canned-replies";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-chat-integration/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-chat-integration/default.nix
index 48192bd4a34c..63797d3b89cc 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-chat-integration/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-chat-integration/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-chat-integration";
-    rev = "45a16e2c40f9b79a351e52b905c7816ddbd29bb3";
-    sha256 = "sha256-cu9JhBB4ggsVzKlxe9x2WQVgwzwAA5U6OEKhbiRQACU=";
+    rev = "ddee0c44179c547b2581474c3c4d0da7d8d23fe8";
+    sha256 = "sha256-8AUzIu+HRHrcAqpyI/eVrgZLTKXTLgDjXFTGQbMRzxs=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-chat-integration";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-checklist/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-checklist/default.nix
index 5bd5d6ad3101..9c61b4bcf67c 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-checklist/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-checklist/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-checklist";
-    rev = "80d448b92173398530643ee07a40d6c60e4a3a5e";
-    sha256 = "sha256-FJtb7s4UQ6A4SEezB/58pmvpN+f1gVBY/G4GUzE20ME=";
+    rev = "c2bb6b0156e411ef3c1de52aa36b38abeba801cd";
+    sha256 = "sha256-p0nOdh0zg891Pe8wYhMzcbunGYJY41iVET4fFRDJt+k=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-checklist";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-data-explorer/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-data-explorer/default.nix
index f30f60827fad..38336973f32a 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-data-explorer/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-data-explorer/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-data-explorer";
-    rev = "58cfe737f7eb3d401a059edc8d24ed0ec22fa2f7";
-    sha256 = "sha256-pwzW+HCby2HD5SsnFCi8kUqN/dQuZiVkdmqQ2P2XQ2c=";
+    rev = "2a17f49f66feb7a3068cf6f1e4ad08550f875057";
+    sha256 = "sha256-LOcJle0S7Z8oGz1XgTEHiz1JNKufxege+joeinwX7xU=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-data-explorer";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-docs/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-docs/default.nix
index 52088b0fded7..3b7d5e96f077 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-docs/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-docs/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-docs";
-    rev = "f8ac536160c662f29c49111beb5b18b70dbe8cd9";
-    sha256 = "sha256-pU5Dl+G2HRKfWi+W+P4ZP6A8EMqi9xaIYXx1xUg9I54=";
+    rev = "05678c451caf2ceb192501da91cf0d24ea44c8e8";
+    sha256 = "sha256-C+3jaJ09P1PteeHFVfbAXxDgAa6d0RZwLdlp+NKuZJU=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-docs";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-github/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-github/default.nix
index 6888018b62d3..9421267d1522 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-github/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-github/default.nix
@@ -6,8 +6,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-github";
-    rev = "f4635f94f8c1eaf38f7b025d1fc236e404a39414";
-    sha256 = "sha256-kd8iCgLuFxFbu8HR9ttzmVFF4AK0P7cbo1q15kD9Dp4=";
+    rev = "031dc6b512ada263eb3634eae5adfe4cdb008b4b";
+    sha256 = "sha256-v69RYgA5k6A3bus+Joc/NFp2DU4bwiaoCSe2xua3DgY=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-github";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-math/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-math/default.nix
index b3a131bc4d86..e3e52ccfea78 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-math/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-math/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-math";
-    rev = "33662c4b1d8a3faa6138261bd6a6043b4d9ac037";
-    sha256 = "sha256-UMGj2KqYHs7MtVHBGLUgUKA7wzhX32160b4OihiwgCI=";
+    rev = "2deef48ab16bc0a15ab5f1fef98e15261251bf32";
+    sha256 = "sha256-Crt7ozasZ1DCwAzaH/Y6BQEXwpX6t9qsIrGYMlECylk=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-math";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-openid-connect/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-openid-connect/default.nix
index 88ab125a2c26..c5405367ff3b 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-openid-connect/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-openid-connect/default.nix
@@ -6,8 +6,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-openid-connect";
-    rev = "bba36d68a44b1e1d19729d14fd04ad280fc32c58";
-    sha256 = "sha256-9CV5A3gQzYvokTLNOwoX1jQhGaZQBn4tn5jn7bfhLS4=";
+    rev = "ab26c4eaa858bf35cb6fa6314597a50fff57baf9";
+    sha256 = "sha256-Yxw1C0vNcVr+sYvmLvBWFV/XOr7yDBTW17Ohxfkv6W0=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-openid-connect";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-prometheus/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-prometheus/default.nix
index 0695b01d9556..4c23355b301d 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-prometheus/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-prometheus/default.nix
@@ -6,8 +6,8 @@
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-prometheus";
-    rev = "d71565f7ee4d3fe5cef8c8831a20cec5e52a1367";
-    sha256 = "sha256-Zn/ZzbMyHImQ9vc7KJI2gtVKYyqbWOZWK3qg7BK0xxQ=";
+    rev = "1c3e2d75c33a0ed8563977d7c4919e3d06788dcd";
+    sha256 = "sha256-tj/IYUjuUs6foV4goIm+HACccmHjAiI1/EAOKibwUMs=";
   };
 
   patches = [
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-saved-searches/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-saved-searches/default.nix
index 13976649bfc2..5ba948cf1d13 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-saved-searches/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-saved-searches/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-saved-searches";
-    rev = "a10f2eb7ccbf3be037144978d0aa36d8fa44115b";
-    sha256 = "sha256-WIqju9JUy3bij2iHHjWv/+TfODev5icYNYS5kRruLcc=";
+    rev = "baf1ab94317129d2ff2eb4e5e6d84fa76c40797c";
+    sha256 = "sha256-6NP9TK5Wx0LPX0ZFIiaEEYJv3d9WIQ26nvODk0dU2I0=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-saved-searches";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-solved/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-solved/default.nix
index b90c54066969..8d0c1b07d960 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-solved/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-solved/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-solved";
-    rev = "d7c8c95f2dbc7fa94b09d2590d70558346f6e81e";
-    sha256 = "sha256-utuv7JL/WJU48TE0+RIRoUpIFrcUpQGvPzfIXA2ZCL8=";
+    rev = "922ca15fc92bfab496088b5ee240982bd8404f28";
+    sha256 = "sha256-s7XNRLDXnrsoB7FUgGaYIVfd7iO3ittIBoqSo2UaUTY=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-solved";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-spoiler-alert/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-spoiler-alert/default.nix
index 351f41b192c6..e97f1bfd06c1 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-spoiler-alert/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-spoiler-alert/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-spoiler-alert";
-    rev = "0cbbaa20f5bf097a0d4ec1361534f97e4b7e1604";
-    sha256 = "sha256-FpA1+ZC5rInUkCrWMU3HU9Hmi/58f/OrfmeXd5nowvU=";
+    rev = "5afbcb905fa2c8cb8b7156ab5df3af27d6e6b477";
+    sha256 = "sha256-/Y5ATVSnJ3hMNiiqqYJzitgkQ/2zbWLaPdII9agTa10=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-spoiler-alert";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-voting/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-voting/default.nix
index df787e3835d9..4efe8aabcdcd 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-voting/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-voting/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-voting";
-    rev = "5011df324caaa89433f089bb9d9cfdf919457b11";
-    sha256 = "sha256-2iPbC/nvTmJ8heqX1C8sfNnkTeO6jHn+gzEraAdJvMg=";
+    rev = "6a4b2a306928191c9ef9f3efdafeb9b4df496bcb";
+    sha256 = "sha256-OAn+NS64BcOlhmFYXV0Bq+O1B4a9FKHyN44vbHSax3Y=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-voting";
diff --git a/pkgs/servers/web-apps/discourse/plugins/discourse-yearly-review/default.nix b/pkgs/servers/web-apps/discourse/plugins/discourse-yearly-review/default.nix
index 82a34bedf2b4..a03bf7b8cdd9 100644
--- a/pkgs/servers/web-apps/discourse/plugins/discourse-yearly-review/default.nix
+++ b/pkgs/servers/web-apps/discourse/plugins/discourse-yearly-review/default.nix
@@ -5,8 +5,8 @@ mkDiscoursePlugin {
   src = fetchFromGitHub {
     owner = "discourse";
     repo = "discourse-yearly-review";
-    rev = "69a6c2ca39a41d88ff07ebd7c38c082082415dc9";
-    sha256 = "sha256-jrpKjINnAxfkMdK89b0OyKkgivIC4L/aL5qU4XZdgnk=";
+    rev = "5e3674201a32bf9e6c22417395bc2e052d9f217d";
+    sha256 = "sha256-gkQGLJegWTSwzpjrHPYK5/Uz4QjLUCLd6OuEIRYeP/I=";
   };
   meta = with lib; {
     homepage = "https://github.com/discourse/discourse-yearly-review";
diff --git a/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock b/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
index 7acfba36ad12..e9964e0340c4 100644
--- a/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
+++ b/pkgs/servers/web-apps/discourse/rubyEnv/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
     bootsnap (1.9.4)
       msgpack (~> 1.0)
     builder (3.2.4)
-    bullet (7.0.0)
+    bullet (7.0.1)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     byebug (11.1.3)
@@ -132,7 +132,7 @@ GEM
     excon (0.89.0)
     execjs (2.8.1)
     exifr (1.3.9)
-    fabrication (2.23.1)
+    fabrication (2.24.0)
     faker (2.19.0)
       i18n (>= 1.6, < 2)
     fakeweb (1.3.0)
@@ -202,7 +202,7 @@ GEM
     jwt (2.3.0)
     kgio (2.11.4)
     libv8-node (16.10.0.0)
-    listen (3.7.0)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     literate_randomizer (0.4.0)
@@ -357,7 +357,7 @@ GEM
       rspec-mocks (~> 3.10.0)
     rspec-core (3.10.1)
       rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.1)
+    rspec-expectations (3.10.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-html-matchers (0.9.4)
@@ -382,9 +382,9 @@ GEM
       json-schema (~> 2.2)
       railties (>= 3.1, < 7.0)
     rtlit (0.0.5)
-    rubocop (1.24.1)
+    rubocop (1.25.0)
       parallel (~> 1.10)
-      parser (>= 3.0.0.0)
+      parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
diff --git a/pkgs/servers/web-apps/discourse/rubyEnv/gemset.nix b/pkgs/servers/web-apps/discourse/rubyEnv/gemset.nix
index 7ed5b54e30af..9b5fbfca4a85 100644
--- a/pkgs/servers/web-apps/discourse/rubyEnv/gemset.nix
+++ b/pkgs/servers/web-apps/discourse/rubyEnv/gemset.nix
@@ -273,10 +273,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0w3jk595azcc9fvklrk2klkljwhgzjhnns7l5iqhnafvr8q60xnr";
+      sha256 = "0q90zk8di7a12by3d81nl78yy90rdml77vi3waxmgzqhvs6na4vj";
       type = "gem";
     };
-    version = "7.0.0";
+    version = "7.0.1";
   };
   byebug = {
     groups = ["development" "test"];
@@ -603,10 +603,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1i4pcqmf8q0gkjzhndcbzgg8bg4rkvbpp2gapnqxc8j8gcxzi1fi";
+      sha256 = "09b6gyqf76iflxh9v69k59xhxmrx1akdp2mbg8k8nb5rxy0sz0v6";
       type = "gem";
     };
-    version = "2.23.1";
+    version = "2.24.0";
   };
   faker = {
     dependencies = ["i18n"];
@@ -1059,10 +1059,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0ncfhdkjiwq9l1pm87ax2pa20kz2j0dz56vi74cnr5a6cfk0qb5p";
+      sha256 = "0agybr37wpjv3xy4ipcmsvsibgdgphzrwbvcj4vfiykpmakwm01v";
       type = "gem";
     };
-    version = "3.7.0";
+    version = "3.7.1";
   };
   literate_randomizer = {
     groups = ["default" "development"];
@@ -1955,10 +1955,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1sz9bj4ri28adsklnh257pnbq4r5ayziw02qf67wry0kvzazbb17";
+      sha256 = "1qrj2j9jcd3m4aksk4kbv439882yl3z1harv2jrybrgjgdzdz7zs";
       type = "gem";
     };
-    version = "3.10.1";
+    version = "3.10.2";
   };
   rspec-html-matchers = {
     dependencies = ["nokogiri" "rspec"];
@@ -2041,10 +2041,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1sn7ag295blmhpwv6x472m3fd0n25swz9imqwpk0hg21rdcdw7p0";
+      sha256 = "141ff5mdqi8an8q00qw8kchzil7ck2dzalkk3vk176l0s6hljcbj";
       type = "gem";
     };
-    version = "1.24.1";
+    version = "1.25.0";
   };
   rubocop-ast = {
     dependencies = ["parser"];
diff --git a/pkgs/tools/misc/btdu/default.nix b/pkgs/tools/misc/btdu/default.nix
new file mode 100644
index 000000000000..d297af0d4402
--- /dev/null
+++ b/pkgs/tools/misc/btdu/default.nix
@@ -0,0 +1,83 @@
+{stdenv, lib, fetchurl, dub, ncurses, ldc, zlib, removeReferencesTo }:
+
+let
+    _d_ae_ver              = "0.0.3100";
+    _d_btrfs_ver           = "0.0.12";
+    _d_ncurses_ver         = "0.0.149";
+    _d_emsi_containers_ver = "0.9.0";
+in
+stdenv.mkDerivation rec {
+    pname = "btdu";
+    version = "0.3.1";
+
+    srcs = [
+      (fetchurl {
+        url = "https://github.com/CyberShadow/${pname}/archive/v${version}.tar.gz";
+        sha256 = "760b2f0d28920a78b7967dd34c429125135688a3aefc57ab3a92d07bc3ef10cb";
+      })
+      (fetchurl {
+        url = "https://github.com/CyberShadow/ae/archive/v${_d_ae_ver}.tar.gz";
+        sha256 = "86fa09ef6c1be4cbe8ad1c85729054e5d691b41ff57c7980d99937ec0f45b950";
+      })
+      (fetchurl {
+        url = "https://github.com/CyberShadow/d-btrfs/archive/v${_d_btrfs_ver}.tar.gz";
+        sha256 = "cf2b1fa3e94a0aa239d465adbac239514838835283521d632f571948aa517f92";
+      })
+      (fetchurl {
+        url = "https://github.com/D-Programming-Deimos/ncurses/archive/v${_d_ncurses_ver}.tar.gz";
+        sha256 = "2c8497f5dd93f9d3a05ca7ed57c4fcaee1e988fd25a24de106917ddf72f34646";
+      })
+      (fetchurl {
+        url = "https://github.com/dlang-community/containers/archive/v${_d_emsi_containers_ver}.tar.gz";
+        sha256 = "5e256b84bbdbd2bd625cba0472ea27a1fde6d673d37a85fe971a20d52874acaa";
+      })
+    ];
+
+    sourceRoot = ".";
+
+    postUnpack = ''
+      mv ae-${_d_ae_ver} "ae"
+    '';
+
+
+    nativeBuildInputs = [ dub ldc ];
+    buildInputs = [ ncurses zlib ];
+
+    configurePhase = ''
+      runHook preConfigure
+      mkdir home
+      HOME="home" dub add-local ae ${_d_ae_ver}
+      HOME="home" dub add-local d-btrfs-${_d_btrfs_ver} ${_d_btrfs_ver}
+      HOME="home" dub add-local ncurses-${_d_ncurses_ver} ${_d_ncurses_ver}
+      HOME="home" dub add-local containers-${_d_emsi_containers_ver} ${_d_emsi_containers_ver}
+      runHook postConfigure
+    '';
+
+    buildPhase = ''
+      runHook preBuild
+      cd ${pname}-${version}
+      HOME="../home" dub --skip-registry=all build -b release
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      runHook preInstall
+      mkdir -p $out/bin
+      cp btdu $out/bin/
+      runHook postInstall
+    '';
+
+    postInstall = ''
+      ${removeReferencesTo}/bin/remove-references-to -t ${ldc} $out/bin/btdu
+    '';
+
+    passthru.updateScript = ./update.py;
+
+    meta = with lib; {
+      description = "Sampling disk usage profiler for btrfs";
+      homepage = "https://github.com/CyberShadow/btdu";
+      license = licenses.gpl2Only;
+      platforms = platforms.linux;
+      maintainers = with maintainers; [ atila ];
+    };
+}
diff --git a/pkgs/tools/misc/btdu/update.py b/pkgs/tools/misc/btdu/update.py
new file mode 100755
index 000000000000..aa3b149d733e
--- /dev/null
+++ b/pkgs/tools/misc/btdu/update.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i python -p python39Packages.requests
+
+import requests
+import subprocess
+
+pkgbuild = requests.get('https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=btdu').text
+
+def grabDepVersions(depDict, pkgbuild=pkgbuild):
+    for line in pkgbuild.split('\n'):
+        if depDict["string"] in line:
+            start = len(depDict["string"]) + 1
+            depDict["version"] = line[start:]
+            break
+
+def grabDepHashes(key,pkgbuild=pkgbuild):
+    start = pkgbuild.find(key) + len(key)
+    end = start+64
+    hashes = []
+    for i in range(5):
+        hashes.append(pkgbuild[start:end])
+        start     = pkgbuild.find("'",end+1) + 1
+        end       = start+64
+    return hashes
+
+def findLine(key,derivation):
+    count = 0
+    lines = []
+    for line in derivation:
+        if key in line:
+            lines.append(count)
+        count += 1
+    return lines
+
+def updateVersions(btdu,ae,btrfs,ncurses,containers,derivation):
+    key = "let"
+    line = findLine(key,derivation)[0] + 1
+    derivation[line+0] = f'    _d_ae_ver              = "{ae["version"]}";\n'
+    derivation[line+1] = f'    _d_btrfs_ver           = "{btrfs["version"]}";\n'
+    derivation[line+2] = f'    _d_ncurses_ver         = "{ncurses["version"]}";\n'
+    derivation[line+3] = f'    _d_emsi_containers_ver = "{containers["version"]}";\n'
+
+    key = "version = "
+    line = findLine(key,derivation)[0]
+    derivation[line] = f'    version = "{btdu["version"]}";\n'
+
+    return derivation
+
+def updateHashes(btdu,ae,btrfs,ncurses,containers,derivation):
+    key = "sha256 = "
+    hashLines = findLine(key,derivation)
+    for i in range(len(hashes)):
+        derivation[hashLines[i]] = f'        sha256 = "{hashes[i]}";\n'
+
+    return derivation
+
+if __name__ == "__main__":
+
+    btdu       = {"string": "pkgver"}
+    ae         = {"string": "_d_ae_ver"}
+    btrfs      = {"string": "_d_btrfs_ver"}
+    ncurses    = {"string": "_d_ncurses_ver"}
+    containers = {"string": "_d_emsi_containers_ver"}
+
+    grabDepVersions(btdu)
+    grabDepVersions(ae)
+    grabDepVersions(btrfs)
+    grabDepVersions(ncurses)
+    grabDepVersions(containers)
+
+    hashes = grabDepHashes("sha256sums=('")
+
+    nixpkgs = subprocess.check_output(["git", "rev-parse", "--show-toplevel"]).decode("utf-8").strip('\n')
+    btduFolder = "/pkgs/tools/misc/btdu/"
+    with open(nixpkgs + btduFolder + "default.nix", 'r') as arq:
+        derivation = arq.readlines()
+
+    derivation = updateVersions(btdu,ae,btrfs,ncurses,containers,derivation)
+    derivation = updateHashes(btdu,ae,btrfs,ncurses,containers,derivation)
+
+    with open(nixpkgs + btduFolder + "default.nix", 'w') as arq:
+        arq.writelines(derivation)
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7ba05b676dc1..3ecd9eb1f490 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -243,6 +243,8 @@ with pkgs;
 
   cen64 = callPackage ../misc/emulators/cen64 { };
 
+  btdu = callPackage ../tools/misc/btdu { };
+
   uxn = callPackage ../misc/emulators/uxn { };
 
   cereal = callPackage ../development/libraries/cereal { };