diff --git a/pkgs/applications/audio/mympd/default.nix b/pkgs/applications/audio/mympd/default.nix
index cae2a3b7f1a9..d0273e1c6950 100644
--- a/pkgs/applications/audio/mympd/default.nix
+++ b/pkgs/applications/audio/mympd/default.nix
@@ -16,13 +16,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "mympd";
-  version = "14.1.2";
+  version = "15.0.1";
 
   src = fetchFromGitHub {
     owner = "jcorporation";
     repo = "myMPD";
     rev = "v${finalAttrs.version}";
-    sha256 = "sha256-CMqH9iy9U85bKj7YLcYsKFs5CDePGBEfUWL+sb7WzBw=";
+    sha256 = "sha256-rZfpGvxDV8KWGfQJ+mXsxLI8DIMSM0D9A3yrEZ+Zc38=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/default.nix
index 952c13f0e6d3..114b4a20e640 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/default.nix
@@ -63,14 +63,14 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "telegram-desktop";
-  version = "4.16.8";
+  version = "5.0.0";
 
   src = fetchFromGitHub {
     owner = "telegramdesktop";
     repo = "tdesktop";
     rev = "v${version}";
     fetchSubmodules = true;
-    hash = "sha256-M8wFhuTTEJippgvS93LNRqREV2TGF04ccps5oOmSr+0=";
+    hash = "sha256-BjXz2LwsvmJIaN+FZ4+mLu01jaajPvwf8YPqCjx7Kw4=";
   };
 
   patches = [
diff --git a/pkgs/by-name/fz/fzf-make/package.nix b/pkgs/by-name/fz/fzf-make/package.nix
index e989b2e19126..864bb8f0c925 100644
--- a/pkgs/by-name/fz/fzf-make/package.nix
+++ b/pkgs/by-name/fz/fzf-make/package.nix
@@ -10,16 +10,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "fzf-make";
-  version = "0.28.0";
+  version = "0.30.0";
 
   src = fetchFromGitHub {
     owner = "kyu08";
     repo = "fzf-make";
     rev = "v${version}";
-    hash = "sha256-USBK3In/1Uor33wrab1iTt0akQTcjuHd7I86XfERzzg=";
+    hash = "sha256-C2CDzcS6iE2ojXtFjQfHDJE2C1b5QNG6rda/MiDW8kk=";
   };
 
-  cargoHash = "sha256-zEcll6X0iclDap40bQ1CXuVBQnVin8VwjpErm+/B0ZY=";
+  cargoHash = "sha256-N5hM5xTMNeryFgdICQcKvPt4lHgh02DCaPD3TTGmFBo=";
 
   nativeBuildInputs = [ makeBinaryWrapper ];
 
diff --git a/pkgs/by-name/js/jsoncons/package.nix b/pkgs/by-name/js/jsoncons/package.nix
index 0a4efe6d827f..0e40d8935b43 100644
--- a/pkgs/by-name/js/jsoncons/package.nix
+++ b/pkgs/by-name/js/jsoncons/package.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "jsoncons";
-  version = "0.174.0";
+  version = "0.175.0";
 
   src = fetchFromGitHub {
     owner = "danielaparker";
     repo = "jsoncons";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-VL64oWmaLz4zJm8eCF03tcAkeL+j1BRAQJ5/kUA7L90=";
+    hash = "sha256-pLOKgZx3f0Jka0Tm3SBC1JlQ2Rc3ViPgmXRbjgF4UXI=";
   };
 
   nativeBuildInputs = [ cmake ];
diff --git a/pkgs/by-name/rm/rmg/package.nix b/pkgs/by-name/rm/rmg/package.nix
index 50436f36b928..4c2643346a44 100644
--- a/pkgs/by-name/rm/rmg/package.nix
+++ b/pkgs/by-name/rm/rmg/package.nix
@@ -20,12 +20,13 @@
 , which
 , xdg-user-dirs
 , zlib
+, withWayland ? false
 # Affects final license
 , withAngrylionRdpPlus ? false
 }:
 
 let
-  inherit (qt6Packages) qtbase qtsvg wrapQtAppsHook;
+  inherit (qt6Packages) qtbase qtsvg qtwayland wrapQtAppsHook;
 in
 stdenv.mkDerivation rec {
   pname = "rmg";
@@ -72,7 +73,7 @@ stdenv.mkDerivation rec {
     vulkan-loader
     xdg-user-dirs
     zlib
-  ];
+  ] ++ lib.optional withWayland qtwayland;
 
   cmakeFlags = [
     "-DPORTABLE_INSTALL=OFF"
@@ -84,7 +85,7 @@ stdenv.mkDerivation rec {
 
   qtWrapperArgs = lib.optionals stdenv.isLinux [
     "--prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ vulkan-loader ]}"
-  ];
+  ] ++ lib.optional withWayland "--set RMG_WAYLAND 1";
 
   meta = with lib; {
     homepage = "https://github.com/Rosalie241/RMG";
diff --git a/pkgs/data/icons/papirus-icon-theme/default.nix b/pkgs/data/icons/papirus-icon-theme/default.nix
index 4a39dfe473c8..fd1603e08d28 100644
--- a/pkgs/data/icons/papirus-icon-theme/default.nix
+++ b/pkgs/data/icons/papirus-icon-theme/default.nix
@@ -13,13 +13,13 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "papirus-icon-theme";
-  version = "20240201";
+  version = "20240501";
 
   src = fetchFromGitHub {
     owner = "PapirusDevelopmentTeam";
     repo = pname;
     rev = version;
-    hash = "sha256-hAmtvib6wENEAGQdK242wwDqF3Ddu4YR00KPaWR8JMo=";
+    hash = "sha256-ZTijLslItfXRBUVKrz9KcOc78Efr5rRV+HfQckKcZSI=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/libzim/default.nix b/pkgs/development/libraries/libzim/default.nix
index 80d3db6d2e32..83f15fcc678c 100644
--- a/pkgs/development/libraries/libzim/default.nix
+++ b/pkgs/development/libraries/libzim/default.nix
@@ -14,13 +14,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libzim";
-  version = "9.2.0";
+  version = "9.2.1";
 
   src = fetchFromGitHub {
     owner = "openzim";
     repo = "libzim";
     rev = "refs/tags/${version}";
-    hash = "sha256-WAbNSrgm/lTARD7Ml4vVLChQLNR23vEZtyE4MXnhnB4=";
+    hash = "sha256-yxEtFsdLTcHFyoIX21nWo6gI7ERDN2/hsUHS/2mTFR4=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/r-modules/generic-builder.nix b/pkgs/development/r-modules/generic-builder.nix
index 5939a425aefa..ecbd78c4057d 100644
--- a/pkgs/development/r-modules/generic-builder.nix
+++ b/pkgs/development/r-modules/generic-builder.nix
@@ -10,8 +10,11 @@ stdenv.mkDerivation ({
   env.NIX_CFLAGS_COMPILE =
     lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";
 
+  enableParallelBuilding = true;
+
   configurePhase = ''
     runHook preConfigure
+    export MAKEFLAGS+="''${enableParallelBuilding:+-j$NIX_BUILD_CORES}"
     export R_LIBS_SITE="$R_LIBS_SITE''${R_LIBS_SITE:+:}$out/library"
     runHook postConfigure
   '';
diff --git a/pkgs/tools/security/exploitdb/default.nix b/pkgs/tools/security/exploitdb/default.nix
index 20bc244781a4..95733ff5b4bd 100644
--- a/pkgs/tools/security/exploitdb/default.nix
+++ b/pkgs/tools/security/exploitdb/default.nix
@@ -7,13 +7,13 @@
 
 stdenv.mkDerivation rec {
   pname = "exploitdb";
-  version = "2024-04-22";
+  version = "2024-05-02";
 
   src = fetchFromGitLab {
     owner = "exploit-database";
     repo = "exploitdb";
     rev = "refs/tags/${version}";
-    hash = "sha256-lWWAZwoUFA54uy0qo4H5+MgSv7tYJOerU9X3Or+AhSg=";
+    hash = "sha256-ijfQUvQWEm/657F0GXPBaxEQMkHeU+3N9Lp/om8eB40=";
   };
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 17858d9b8a6f..47963ef29e95 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2786,6 +2786,10 @@ with pkgs;
 
   ripes = qt6Packages.callPackage ../applications/emulators/ripes { };
 
+  rmg-wayland = callPackage ../by-name/rm/rmg/package.nix {
+    withWayland = true;
+  };
+
   rpcemu = callPackage ../applications/emulators/rpcemu { };
 
   ruffle = callPackage ../applications/emulators/ruffle { };