diff --git a/pkgs/development/compilers/ocaml/4.13.nix b/pkgs/development/compilers/ocaml/4.13.nix
new file mode 100644
index 000000000000..dc805f7e61cc
--- /dev/null
+++ b/pkgs/development/compilers/ocaml/4.13.nix
@@ -0,0 +1,9 @@
+import ./generic.nix {
+  major_version = "4";
+  minor_version = "13";
+  patch_version = "0-alpha1";
+  src = fetchTarball {
+    url = "https://caml.inria.fr/pub/distrib/ocaml-4.13/ocaml-4.13.0~alpha1.tar.xz";
+    sha256 = "071k12q8m2w9bcwvfclyc46pwd9r49v6av36fhjdlqq29niyq915";
+  };
+}
diff --git a/pkgs/development/libraries/attr/default.nix b/pkgs/development/libraries/attr/default.nix
index b81afc24ee98..b7c9287b68bc 100644
--- a/pkgs/development/libraries/attr/default.nix
+++ b/pkgs/development/libraries/attr/default.nix
@@ -31,15 +31,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://savannah.nongnu.org/projects/attr/";
     description = "Library and tools for manipulating extended attributes";
-    platforms = platforms.unix;
+    platforms = platforms.linux;
     license = licenses.gpl2Plus;
-
-    # The build failure on Darwin will likely be solved after upgrading the
-    # macOS SDK in nixpkgs. Check the current SDK version in
-    # ../../../../os-specific/darwin/apple-sdk/default.nix to see if it has
-    # been updated to 10.13 or later. Once the requirements are met, building
-    # it should be straightforward as Homebrew was able to build it without
-    # patching.
-    broken = stdenv.isDarwin;
   };
 }
diff --git a/pkgs/os-specific/linux/rtl8188eus-aircrack/default.nix b/pkgs/os-specific/linux/rtl8188eus-aircrack/default.nix
new file mode 100644
index 000000000000..93a91f0447a4
--- /dev/null
+++ b/pkgs/os-specific/linux/rtl8188eus-aircrack/default.nix
@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchFromGitHub, kernel, bc }:
+
+stdenv.mkDerivation {
+  pname = "rtl8188eus-aircrack";
+  version = "${kernel.version}-unstable-2021-05-04";
+
+  src = fetchFromGitHub {
+    owner = "aircrack-ng";
+    repo = "rtl8188eus";
+    rev = "6146193406b62e942d13d4d43580ed94ac70c218";
+    sha256 = "sha256-85STELbFB7QmTaM8GvJNlWvAg6KPAXeYRiMb4cGA6RY=";
+  };
+
+  nativeBuildInputs = [ bc ];
+
+  buildInputs = kernel.moduleBuildDependencies;
+
+  hardeningDisable = [ "pic" ];
+
+  prePatch = ''
+    substituteInPlace ./Makefile \
+      --replace /lib/modules/ "${kernel.dev}/lib/modules/" \
+      --replace '$(shell uname -r)' "${kernel.modDirVersion}" \
+      --replace /sbin/depmod \# \
+      --replace '$(MODDESTDIR)' "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
+  '';
+
+  preInstall = ''
+    mkdir -p "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
+  '';
+
+  meta = with lib; {
+    description = "RealTek RTL8188eus WiFi driver with monitor mode & frame injection support";
+    homepage = "https://github.com/aircrack-ng/rtl8188eus";
+    license = licenses.gpl2Only;
+    maintainers = with maintainers; [ fortuneteller2k ];
+    broken = kernel.isHardened;
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 06d4d195dd7f..da1095743b59 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -265,7 +265,7 @@
     "fixer" = ps: with ps; [ fixerio ];
     "fleetgo" = ps: with ps; [ ]; # missing inputs: ritassist
     "flexit" = ps: with ps; [ pymodbus ]; # missing inputs: pyflexit
-    "flic" = ps: with ps; [ ]; # missing inputs: pyflic
+    "flic" = ps: with ps; [ pyflic ];
     "flick_electric" = ps: with ps; [ ]; # missing inputs: PyFlick
     "flo" = ps: with ps; [ aioflo ];
     "flock" = ps: with ps; [ ];
diff --git a/pkgs/servers/sql/materialize/default.nix b/pkgs/servers/sql/materialize/default.nix
index e89cd9804ab4..5a2a3ad8ebfd 100644
--- a/pkgs/servers/sql/materialize/default.nix
+++ b/pkgs/servers/sql/materialize/default.nix
@@ -40,17 +40,17 @@ let
 in
 rustPlatform.buildRustPackage rec {
   pname = "materialize";
-  version = "0.7.1";
-  rev = "f4bd159fa73d37d44f8ed3f1db13c0c2ff85566f";
+  version = "0.8.0";
+  rev = "b2fe225f1afcfec4912976bdaa4a44caf3ca0842";
 
   src = fetchFromGitHub {
     owner = "MaterializeInc";
     repo = pname;
     inherit rev;
-    hash = "sha256-8nonB/KRv4qOGvJhh0v3UwlBzAXfzb3afeCm/7/E0AU=";
+    hash = "sha256:09q1bfgsp6j8l8wv2abgibndwfkg2w3nm4dif4qgdkd52fdg0kc5";
   };
 
-  cargoSha256 = "sha256-5slgICqLZFqxPymgHvq98BtcD70hfJMr36pvAoQKEJ4=";
+  cargoSha256 = "sha256:0y2r4980dyajf2ql9vb2jxcsn0a2q0gd3f8v932fgjqw13ysmi0s";
 
   nativeBuildInputs = [ cmake perl pkg-config ]
     # Provides the mig command used by the krb5-src build script
@@ -65,6 +65,7 @@ rustPlatform.buildRustPackage rec {
     "--skip test_client"
     "--skip test_client_errors"
     "--skip test_no_block"
+    "--skip test_safe_mode"
   ];
 
   postPatch = ''
diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index a7b3d12f7a5d..6ba5135fdd6c 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -24,6 +24,8 @@ common =
   , withLibseccomp ? lib.meta.availableOn stdenv.hostPlatform libseccomp, libseccomp
   , withAWS ? !enableStatic && (stdenv.isLinux || stdenv.isDarwin), aws-sdk-cpp
   , enableStatic ? stdenv.hostPlatform.isStatic
+  , enableDocumentation ? lib.versionOlder version "2.4pre" ||
+                          stdenv.hostPlatform == stdenv.buildPlatform
   , pname, version, suffix ? "", src
   , patches ? [ ]
   }:
@@ -36,16 +38,20 @@ common =
 
       VERSION_SUFFIX = suffix;
 
-      outputs = [ "out" "dev" "man" "doc" ];
+      outputs =
+        [ "out" "dev" ]
+        ++ lib.optionals enableDocumentation [ "man" "doc" ];
 
       nativeBuildInputs =
         [ pkg-config ]
         ++ lib.optionals stdenv.isLinux [ util-linuxMinimal ]
+        ++ lib.optionals (is24 && enableDocumentation) [
+          (lib.getBin lowdown) mdbook
+        ]
         ++ lib.optionals is24
           [ autoreconfHook
             autoconf-archive
             bison flex
-            (lib.getBin lowdown) mdbook
             jq
            ];
 
@@ -118,6 +124,7 @@ common =
           "--sysconfdir=${confDir}"
           "--enable-gc"
         ]
+        ++ lib.optional (!enableDocumentation) "--disable-doc-gen"
         ++ lib.optionals (!is24) [
           # option was removed in 2.4
           "--disable-init-state"
@@ -160,7 +167,7 @@ common =
         license = lib.licenses.lgpl2Plus;
         maintainers = [ lib.maintainers.eelco ];
         platforms = lib.platforms.unix;
-        outputsToInstall = [ "out" "man" ];
+        outputsToInstall = [ "out" ] ++ lib.optional enableDocumentation "man";
       };
 
       passthru = {
diff --git a/pkgs/tools/security/metasploit/Gemfile b/pkgs/tools/security/metasploit/Gemfile
index 3119eeabade1..76541e922cf1 100644
--- a/pkgs/tools/security/metasploit/Gemfile
+++ b/pkgs/tools/security/metasploit/Gemfile
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 source "https://rubygems.org"
 
-gem "metasploit-framework", git: "https://github.com/rapid7/metasploit-framework", ref: "refs/tags/6.0.47"
+gem "metasploit-framework", git: "https://github.com/rapid7/metasploit-framework", ref: "refs/tags/6.0.48"
diff --git a/pkgs/tools/security/metasploit/Gemfile.lock b/pkgs/tools/security/metasploit/Gemfile.lock
index 760b9fe62c6e..339f41ab81e2 100644
--- a/pkgs/tools/security/metasploit/Gemfile.lock
+++ b/pkgs/tools/security/metasploit/Gemfile.lock
@@ -1,9 +1,9 @@
 GIT
   remote: https://github.com/rapid7/metasploit-framework
-  revision: 6416bc1a2867938dd39705a3daef25bc5dedfd16
-  ref: refs/tags/6.0.47
+  revision: 4ec1009a615521371dd98576c456f62f63190ad9
+  ref: refs/tags/6.0.48
   specs:
-    metasploit-framework (6.0.47)
+    metasploit-framework (6.0.48)
       actionpack (~> 5.2.2)
       activerecord (~> 5.2.2)
       activesupport (~> 5.2.2)
@@ -31,9 +31,9 @@ GIT
       metasploit-concern (~> 3.0.0)
       metasploit-credential (~> 4.0.0)
       metasploit-model (~> 3.1.0)
-      metasploit-payloads (= 2.0.45)
+      metasploit-payloads (= 2.0.47)
       metasploit_data_models (~> 4.1.0)
-      metasploit_payloads-mettle (= 1.0.9)
+      metasploit_payloads-mettle (= 1.0.10)
       mqtt
       msgpack
       nessus_rest
@@ -125,13 +125,13 @@ GEM
     arel-helpers (2.12.0)
       activerecord (>= 3.1.0, < 7)
     aws-eventstream (1.1.1)
-    aws-partitions (1.465.0)
-    aws-sdk-core (3.114.1)
+    aws-partitions (1.467.0)
+    aws-sdk-core (3.114.2)
       aws-eventstream (~> 1, >= 1.0.2)
       aws-partitions (~> 1, >= 1.239.0)
       aws-sigv4 (~> 1.1)
       jmespath (~> 1.0)
-    aws-sdk-ec2 (1.240.0)
+    aws-sdk-ec2 (1.242.0)
       aws-sdk-core (~> 3, >= 3.112.0)
       aws-sigv4 (~> 1.1)
     aws-sdk-iam (1.55.0)
@@ -140,7 +140,7 @@ GEM
     aws-sdk-kms (1.43.0)
       aws-sdk-core (~> 3, >= 3.112.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-s3 (1.96.0)
+    aws-sdk-s3 (1.96.1)
       aws-sdk-core (~> 3, >= 3.112.0)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.1)
@@ -192,7 +192,7 @@ GEM
     hashery (2.1.2)
     hrr_rb_ssh (0.3.0.pre2)
       ed25519 (~> 1.2)
-    http-cookie (1.0.3)
+    http-cookie (1.0.4)
       domain_name (~> 0.5)
     http_parser.rb (0.6.0)
     i18n (1.8.10)
@@ -204,7 +204,7 @@ GEM
     jsobfu (0.4.2)
       rkelly-remix
     json (2.5.1)
-    loofah (2.9.1)
+    loofah (2.10.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     metasm (1.0.4)
@@ -226,7 +226,7 @@ GEM
       activemodel (~> 5.2.2)
       activesupport (~> 5.2.2)
       railties (~> 5.2.2)
-    metasploit-payloads (2.0.45)
+    metasploit-payloads (2.0.47)
     metasploit_data_models (4.1.4)
       activerecord (~> 5.2.2)
       activesupport (~> 5.2.2)
@@ -237,7 +237,7 @@ GEM
       railties (~> 5.2.2)
       recog (~> 2.0)
       webrick
-    metasploit_payloads-mettle (1.0.9)
+    metasploit_payloads-mettle (1.0.10)
     method_source (1.0.0)
     mini_portile2 (2.5.3)
     minitest (5.14.4)
@@ -265,7 +265,7 @@ GEM
       pcaprub
     patch_finder (1.0.2)
     pcaprub (0.13.0)
-    pdf-reader (2.4.2)
+    pdf-reader (2.5.0)
       Ascii85 (~> 1.0)
       afm (~> 0.2.1)
       hashery (~> 2.0)
diff --git a/pkgs/tools/security/metasploit/default.nix b/pkgs/tools/security/metasploit/default.nix
index fe435a5be452..28ef25223ea9 100644
--- a/pkgs/tools/security/metasploit/default.nix
+++ b/pkgs/tools/security/metasploit/default.nix
@@ -8,13 +8,13 @@ let
   };
 in stdenv.mkDerivation rec {
   pname = "metasploit-framework";
-  version = "6.0.47";
+  version = "6.0.48";
 
   src = fetchFromGitHub {
     owner = "rapid7";
     repo = "metasploit-framework";
     rev = version;
-    sha256 = "sha256-lK8FtHc4VLvp6bEYAw7cqHgbjQP2RS5+XxtjaVMiVWg=";
+    sha256 = "sha256-E7vuuQ4vxm+pUi95d5rnz8Rgp0DmV08sgtswfzUaa0o=";
   };
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/pkgs/tools/security/metasploit/gemset.nix b/pkgs/tools/security/metasploit/gemset.nix
index 0f6b54632e46..d94b5de86c33 100644
--- a/pkgs/tools/security/metasploit/gemset.nix
+++ b/pkgs/tools/security/metasploit/gemset.nix
@@ -114,30 +114,30 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0fs3fy6k4wmzh0z6c4rl313f5px81pj0viqxj1prksza4j7iymmi";
+      sha256 = "18j2m4i70zinxvwib53kclyvgl5j474nm230yy15bqsfhmhm5qqc";
       type = "gem";
     };
-    version = "1.465.0";
+    version = "1.467.0";
   };
   aws-sdk-core = {
     groups = ["default"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "09ksnsj7jqb339fy4nh6v8zn9gy77vbyjpsiv33r35q82ivi32z2";
+      sha256 = "09ybqvdmxcw0jgyjy99c5nr0jirs1yyp0lqy95hl0wgvxhvck001";
       type = "gem";
     };
-    version = "3.114.1";
+    version = "3.114.2";
   };
   aws-sdk-ec2 = {
     groups = ["default"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0wqrvs49nzr2n9ilbjz61ac61d4d8wwpmzfaawhhq7l4hmwm4pdr";
+      sha256 = "0zbhgfd4x70ikajximd4s4ni6rd9bvylxwqzh84iwmjngf2sa5fi";
       type = "gem";
     };
-    version = "1.240.0";
+    version = "1.242.0";
   };
   aws-sdk-iam = {
     groups = ["default"];
@@ -164,10 +164,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1g46v19n6pxa60x7fih2y9zc18q23kdjkb1p2qr33zmi6cz76cc4";
+      sha256 = "0q28bdmpm2c2fw9wh00zhqxnb8p2nzdfi5l6wwa6bl63fm28816h";
       type = "gem";
     };
-    version = "1.96.0";
+    version = "1.96.1";
   };
   aws-sigv4 = {
     groups = ["default"];
@@ -454,10 +454,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "004cgs4xg5n6byjs7qld0xhsjq3n6ydfh897myr2mibvh6fjc49g";
+      sha256 = "19370bc97gsy2j4hanij246hv1ddc85hw0xjb6sj7n1ykqdlx9l9";
       type = "gem";
     };
-    version = "1.0.3";
+    version = "1.0.4";
   };
   "http_parser.rb" = {
     groups = ["default"];
@@ -534,10 +534,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1w9mbii8515p28xd4k72f3ab2g6xiyq15497ys5r8jn6m355lgi7";
+      sha256 = "19vkaazjqyq7yj5ah8rpr4vl9n4mg95scdr5im93akhd5bjvkkly";
       type = "gem";
     };
-    version = "2.9.1";
+    version = "2.10.0";
   };
   metasm = {
     groups = ["default"];
@@ -574,12 +574,12 @@
     platforms = [];
     source = {
       fetchSubmodules = false;
-      rev = "6416bc1a2867938dd39705a3daef25bc5dedfd16";
-      sha256 = "0s2m499njqqvbxz2wign0f6iny58vh70665ix7lvnm1qfys0bbwl";
+      rev = "4ec1009a615521371dd98576c456f62f63190ad9";
+      sha256 = "0jkb38spyc6vh8n4ymz682kn1i6gwyd7fy9gaalnziig1swyxfqk";
       type = "git";
       url = "https://github.com/rapid7/metasploit-framework";
     };
-    version = "6.0.47";
+    version = "6.0.48";
   };
   metasploit-model = {
     groups = ["default"];
@@ -596,10 +596,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "09w5r7g19n845h9ii66h8cx9ikgv69d59ry67183h7c76mhzvm9c";
+      sha256 = "0jxa9q8jzfy91i4khnzmd36p3g2sq7df34csgwbmv6caarzs7732";
       type = "gem";
     };
-    version = "2.0.45";
+    version = "2.0.47";
   };
   metasploit_data_models = {
     groups = ["default"];
@@ -616,10 +616,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "07l2ahb4c5ay6s5vbcfmipmya2qdj8i29blxk9vdmvs27yzkc8jk";
+      sha256 = "12mm3bqcirbzn7337zg96w79i6in49z2gmg41cwjywi1p2iawk61";
       type = "gem";
     };
-    version = "1.0.9";
+    version = "1.0.10";
   };
   method_source = {
     groups = ["default"];
@@ -836,10 +836,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1cxladxy18dhk4a3b263crq8hyxb3q0c7ifxrb5nr1bs6y0pk8i6";
+      sha256 = "14cxj3ra9nnn334qpm2vsx9s0zk3095s8ih6cwcp47h3hv03c73y";
       type = "gem";
     };
-    version = "2.4.2";
+    version = "2.5.0";
   };
   pg = {
     groups = ["default"];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 74fad6b4cbd7..0ad94d23707e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -20760,6 +20760,8 @@ in
 
     r8168 = callPackage ../os-specific/linux/r8168 { };
 
+    rtl8188eus-aircrack = callPackage ../os-specific/linux/rtl8188eus-aircrack { };
+
     rtl8192eu = callPackage ../os-specific/linux/rtl8192eu { };
 
     rtl8723bs = callPackage ../os-specific/linux/rtl8723bs { };
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 8314014e9378..4bc9a592b672 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1511,6 +1511,8 @@ in let inherit (pkgs) callPackage; in rec
 
   ocamlPackages_4_12 = mkOcamlPackages (callPackage ../development/compilers/ocaml/4.12.nix { });
 
+  ocamlPackages_4_13 = mkOcamlPackages (callPackage ../development/compilers/ocaml/4.13.nix { });
+
   ocamlPackages_latest = ocamlPackages_4_12;
 
   ocamlPackages = ocamlPackages_4_12;