diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 990d7adbe180..d75b03aed005 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -7217,6 +7217,16 @@
     githubId = 1386642;
     name = "Noah Brenowitz";
   };
+  ncfavier = {
+    email = "n@monade.li";
+    github = "ncfavier";
+    githubId = 4323933;
+    name = "Naïm Favier";
+    keys = [{
+      longkeyid = "rsa2048/0x49B07322580B7EE2";
+      fingerprint = "51A0 705E 7DD2 3CBC 5EAA  B43E 49B0 7322 580B 7EE2";
+    }];
+  };
   nckx = {
     email = "github@tobias.gr";
     github = "nckx";
diff --git a/nixos/modules/services/web-servers/apache-httpd/default.nix b/nixos/modules/services/web-servers/apache-httpd/default.nix
index a7b93c9c4598..df7035c03cc2 100644
--- a/nixos/modules/services/web-servers/apache-httpd/default.nix
+++ b/nixos/modules/services/web-servers/apache-httpd/default.nix
@@ -202,7 +202,7 @@ let
     let
       documentRoot = if hostOpts.documentRoot != null
         then hostOpts.documentRoot
-        else pkgs.runCommand "empty" { preferLocalBuild = true; } "mkdir -p $out"
+        else pkgs.emptyDirectory
       ;
 
       mkLocations = locations: concatStringsSep "\n" (map (config: ''
diff --git a/pkgs/applications/graphics/ImageMagick/6.x.nix b/pkgs/applications/graphics/ImageMagick/6.x.nix
index 5d9bc4fdd365..d0f5ecf4115e 100644
--- a/pkgs/applications/graphics/ImageMagick/6.x.nix
+++ b/pkgs/applications/graphics/ImageMagick/6.x.nix
@@ -16,13 +16,13 @@ in
 
 stdenv.mkDerivation rec {
   pname = "imagemagick";
-  version = "6.9.12-14";
+  version = "6.9.12-15";
 
   src = fetchFromGitHub {
     owner = "ImageMagick";
     repo = "ImageMagick6";
     rev = version;
-    sha256 = "sha256-RK6N4koHVAqol16QXLFWUgI6N5Rph2QCIHxmDFs3Jfk=";
+    sha256 = "sha256-bel4p45eQfQPIp5/sawhTYTfyuYRQ5nFuGh4qqt1zDs=";
   };
 
   outputs = [ "out" "dev" "doc" ]; # bin/ isn't really big
diff --git a/pkgs/applications/graphics/imv/default.nix b/pkgs/applications/graphics/imv/default.nix
index 3f6a27cbc76a..e9488b845f22 100644
--- a/pkgs/applications/graphics/imv/default.nix
+++ b/pkgs/applications/graphics/imv/default.nix
@@ -5,7 +5,6 @@
 , cmocka
 , docbook_xsl
 , libxslt
-, fontconfig
 , meson
 , ninja
 , pkg-config
@@ -90,6 +89,12 @@ stdenv.mkDerivation rec {
   ] ++ windowSystems."${withWindowSystem}"
     ++ builtins.map (b: backends."${b}") withBackends;
 
+  postInstall = ''
+    # fix the executable path and install the desktop item
+    substituteInPlace ../files/imv.desktop --replace "imv %F" "$out/bin/imv %F"
+    install -Dm644 ../files/imv.desktop $out/share/applications/
+  '';
+
   postFixup = lib.optionalString (withWindowSystem == "all") ''
     # The `bin/imv` script assumes imv-wayland or imv-x11 in PATH,
     # so we have to fix those to the binaries we installed into the /nix/store
@@ -104,7 +109,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "A command line image viewer for tiling window managers";
     homepage = "https://github.com/eXeC64/imv";
-    license = licenses.gpl2;
+    license = licenses.mit;
     maintainers = with maintainers; [ rnhmjoj markus1189 ];
     platforms = platforms.all;
   };
diff --git a/pkgs/applications/networking/irc/weechat/default.nix b/pkgs/applications/networking/irc/weechat/default.nix
index 58b462194bbf..ac6be7c97911 100644
--- a/pkgs/applications/networking/irc/weechat/default.nix
+++ b/pkgs/applications/networking/irc/weechat/default.nix
@@ -27,14 +27,14 @@ let
   in
     assert lib.all (p: p.enabled -> ! (builtins.elem null p.buildInputs)) plugins;
     stdenv.mkDerivation rec {
-      version = "3.1";
+      version = "3.2";
       pname = "weechat";
 
       hardeningEnable = [ "pie" ];
 
       src = fetchurl {
         url = "https://weechat.org/files/src/weechat-${version}.tar.bz2";
-        sha256 = "06w147wzrzp6xbqiz6s5nq5xdjy7jn3f18xajxy50pynjd6vmfh5";
+        sha256 = "0pck4lczkk52mgwa1n0habp1xqi9xsgsh5q6bbsjmdbandvy5vc8";
       };
 
       outputs = [ "out" "man" ] ++ map (p: p.name) enabledPlugins;
diff --git a/pkgs/applications/office/libreoffice/src-fresh/download.nix b/pkgs/applications/office/libreoffice/src-fresh/download.nix
index f6243476f1b0..98070994fa33 100644
--- a/pkgs/applications/office/libreoffice/src-fresh/download.nix
+++ b/pkgs/applications/office/libreoffice/src-fresh/download.nix
@@ -476,11 +476,11 @@
     md5name = "b24890e2bb46e12e72a79f7e965f409f4e16466d00e1dd15d93d73ee6b592523-libjpeg-turbo-1.5.3.tar.gz";
   }
   {
-    name = "language-subtag-registry-2020-12-18.tar.bz2";
-    url = "https://dev-www.libreoffice.org/src/language-subtag-registry-2020-12-18.tar.bz2";
-    sha256 = "62ce680d5db0f28001b64bd57db47f388c13629cdefc9af8e8af0fbe93689ba1";
+    name = "language-subtag-registry-2021-03-05.tar.bz2";
+    url = "https://dev-www.libreoffice.org/src/language-subtag-registry-2021-03-05.tar.bz2";
+    sha256 = "ce80e8face06bf2ada363e0c159e3f990c4116fdae9232ca43e6369aa82bf16a";
     md5 = "";
-    md5name = "62ce680d5db0f28001b64bd57db47f388c13629cdefc9af8e8af0fbe93689ba1-language-subtag-registry-2020-12-18.tar.bz2";
+    md5name = "ce80e8face06bf2ada363e0c159e3f990c4116fdae9232ca43e6369aa82bf16a-language-subtag-registry-2021-03-05.tar.bz2";
   }
   {
     name = "JLanguageTool-1.7.0.tar.bz2";
diff --git a/pkgs/applications/office/libreoffice/src-fresh/primary.nix b/pkgs/applications/office/libreoffice/src-fresh/primary.nix
index 3870c478c803..2e1a4b1d78dc 100644
--- a/pkgs/applications/office/libreoffice/src-fresh/primary.nix
+++ b/pkgs/applications/office/libreoffice/src-fresh/primary.nix
@@ -8,7 +8,7 @@ rec {
 
   major = "7";
   minor = "1";
-  patch = "3";
+  patch = "4";
   tweak = "2";
 
   subdir = "${major}.${minor}.${patch}";
@@ -17,13 +17,13 @@ rec {
 
   src = fetchurl {
     url = "https://download.documentfoundation.org/libreoffice/src/${subdir}/libreoffice-${version}.tar.xz";
-    sha256 = "1gr9c8kv7nc9kaag1sw9r36843pfba1my80afx7p0lxj0k8pzbrm";
+    sha256 = "1jsskhnlyra7q6d12kkc8dxq5fgrnd8grl32bdck7j9hkwv6d13m";
   };
 
   # FIXME rename
   translations = fetchSrc {
     name = "translations";
-    sha256 = "09xkr6jmnwq55savw9xjsy8l8zcyflnsg4nfwhknvm3ls8sqj4w6";
+    sha256 = "0cslzhp5ic1w7hnl6wbyxrxhczdmap1g1hh1nj9sgpw9iqdryqj7";
   };
 
   # the "dictionaries" archive is not used for LO build because we already build hunspellDicts packages from
@@ -31,6 +31,6 @@ rec {
 
   help = fetchSrc {
     name = "help";
-    sha256 = "0dc981vmxfdwlyfgq84axkr99d8chm1ypknj39v0cmaqn56lpwg0";
+    sha256 = "091yhm1qkxgvv130a1yzmmikchvxvp8109mcdrlpybp4gc276l8q";
   };
 }
diff --git a/pkgs/applications/science/machine-learning/starspace/default.nix b/pkgs/applications/science/machine-learning/starspace/default.nix
index d5a6cb796a71..ca7500cd5c35 100644
--- a/pkgs/applications/science/machine-learning/starspace/default.nix
+++ b/pkgs/applications/science/machine-learning/starspace/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, boost165 }:
+{ lib, stdenv, fetchFromGitHub, boost165, zlib }:
 
 stdenv.mkDerivation rec {
   pname = "starspace";
@@ -11,13 +11,17 @@ stdenv.mkDerivation rec {
     sha256 = "0sc7a37z1skb9377a1qs8ggwrkz0nmpybx7sms38xj05b702kbvj";
   };
 
-  buildInputs = [ boost165 ];
+  buildInputs = [ boost165 zlib ];
 
   makeFlags = [
     "CXX=${stdenv.cc.targetPrefix}c++"
     "BOOST_DIR=${boost165.dev}/include"
   ];
 
+  preBuild = ''
+    cp makefile_compress makefile
+  '';
+
   installPhase = ''
     mkdir -p $out/bin
     mv starspace $out/bin
diff --git a/pkgs/build-support/trivial-builders.nix b/pkgs/build-support/trivial-builders.nix
index 0bf67d21b3be..219f808403cc 100644
--- a/pkgs/build-support/trivial-builders.nix
+++ b/pkgs/build-support/trivial-builders.nix
@@ -571,6 +571,22 @@ rec {
       installPhase = "cp -R ./ $out";
     };
 
+  /* An immutable file in the store with a length of 0 bytes. */
+  emptyFile = runCommand "empty-file" {
+    outputHashAlgo = "sha256";
+    outputHashMode = "recursive";
+    outputHash = "0ip26j2h11n1kgkz36rl4akv694yz65hr72q4kv4b3lxcbi65b3p";
+    preferLocalBuild = true;
+  } "touch $out";
+
+  /* An immutable empty directory in the store. */
+  emptyDirectory = runCommand "empty-directory" {
+    outputHashAlgo = "sha256";
+    outputHashMode = "recursive";
+    outputHash = "0sjjj9z1dhilhpc8pq4154czrb79z9cm044jvn75kxcjv6v5l2m5";
+    preferLocalBuild = true;
+  } "mkdir $out";
+
   /* Checks the command output contains the specified version
    *
    * Although simplistic, this test assures that the main program
diff --git a/pkgs/build-support/trivial-builders/test/sample.nix b/pkgs/build-support/trivial-builders/test/sample.nix
index 060be011093a..27aee6b73dbe 100644
--- a/pkgs/build-support/trivial-builders/test/sample.nix
+++ b/pkgs/build-support/trivial-builders/test/sample.nix
@@ -12,4 +12,8 @@ in
   norefs = writeText "hi" "hello";
   helloRef = writeText "hi" "hello ${hello}";
   helloFigletRef = writeText "hi" "hello ${hello} ${figlet}";
+  inherit (pkgs)
+    emptyFile
+    emptyDirectory
+  ;
 }
diff --git a/pkgs/data/fonts/efont-unicode/default.nix b/pkgs/data/fonts/efont-unicode/default.nix
new file mode 100644
index 000000000000..f4ea61cbc9eb
--- /dev/null
+++ b/pkgs/data/fonts/efont-unicode/default.nix
@@ -0,0 +1,54 @@
+{ lib, stdenv, fetchzip, libfaketime, xorg }:
+
+stdenv.mkDerivation rec {
+  pname = "efont-unicode";
+  version = "0.4.2";
+
+  src = fetchzip {
+    url = "http://openlab.ring.gr.jp/efont/dist/unicode-bdf/${pname}-bdf-${version}.tar.bz2";
+    sha256 = "0bib3jgikq8s1m96imw4mlgbl5cbq1bs5sqig74s2l2cdfx3jaqc";
+  };
+
+  nativeBuildInputs = with xorg;
+    [ libfaketime bdftopcf fonttosfnt mkfontscale ];
+
+  buildPhase = ''
+    runHook preBuild
+
+    # convert bdf fonts to pcf
+    for f in *.bdf; do
+        bdftopcf -t -o "''${f%.bdf}.pcf" "$f"
+    done
+    gzip -n -9 *.pcf
+
+    # convert bdf fonts to otb
+    for f in *.bdf; do
+        faketime -f "1970-01-01 00:00:01" \
+        fonttosfnt -v -m 2 -o "''${f%.bdf}.otb" "$f"
+    done
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    dir=share/fonts/misc
+    install -D -m 644 -t "$out/$dir" *.otb *.pcf.gz
+    install -D -m 644 -t "$bdf/$dir" *.bdf
+    mkfontdir "$out/$dir"
+    mkfontdir "$bdf/$dir"
+
+    runHook postInstall
+  '';
+
+  outputs = [ "out" "bdf" ];
+
+  meta = with lib; {
+    description = "The /efont/ Unicode bitmap font";
+    homepage = "http://openlab.ring.gr.jp/efont/unicode/";
+    license = licenses.bsd3;
+    platforms = platforms.all;
+    maintainers = [ maintainers.ncfavier ];
+  };
+}
diff --git a/pkgs/desktops/xfce/applications/ristretto/default.nix b/pkgs/desktops/xfce/applications/ristretto/default.nix
index e439c3d055df..e80497e21f2e 100644
--- a/pkgs/desktops/xfce/applications/ristretto/default.nix
+++ b/pkgs/desktops/xfce/applications/ristretto/default.nix
@@ -4,17 +4,12 @@
 mkXfceDerivation {
   category = "apps";
   pname = "ristretto";
-  version = "0.10.0";
+  version = "0.11.0";
 
-  sha256 = "07h7wbq3xh2ac6q4kp2ai1incfn0zfxxngap7hzqx47a5xw2mrm8";
+  sha256 = "07np4n6kg6lpd7acrb4aga3l6502c8lhjzf867b38n90cx1nh5gf";
 
   buildInputs = [ glib gtk3 libexif libxfce4ui libxfce4util xfconf ];
 
-  postPatch = ''
-    # exo-csource has been dropped from exo
-    substituteInPlace src/Makefile.am --replace exo-csource xdt-csource
-  '';
-
   meta = {
     description = "A fast and lightweight picture-viewer for the Xfce desktop environment";
   };
diff --git a/pkgs/development/compilers/llvm/git/default.nix b/pkgs/development/compilers/llvm/git/default.nix
index 38de0f70cf2e..a01eddf6705b 100644
--- a/pkgs/development/compilers/llvm/git/default.nix
+++ b/pkgs/development/compilers/llvm/git/default.nix
@@ -18,18 +18,19 @@
 }:
 
 let
-  release_version = "12.0.0";
+  release_version = "13.0.0";
   candidate = ""; # empty or "rcN"
   dash-candidate = lib.optionalString (candidate != "") "-${candidate}";
-  rev = ""; # When using a Git commit
-  version = "${release_version}${dash-candidate}"; # differentiating these (variables) is important for RCs
+  rev = "d3676d4b666ead794fc58bbc7e07aa406dcf487a"; # When using a Git commit
+  rev-version = "unstable-2021-05-17"; # When using a Git commit
+  version = if rev != "" then rev-version else "${release_version}${dash-candidate}";
   targetConfig = stdenv.targetPlatform.config;
 
   src = fetchFromGitHub {
     owner = "llvm";
     repo = "llvm-project";
     rev = if rev != "" then rev else "llvmorg-${version}";
-    sha256 = "07jz8pywc2qqa1srdnqg5p2y4lx3ki1inpigarzgxc3j20r4gb58";
+    sha256 = "0aw5hnlp3m21dqyqz9z8669achsfhyi7lsl17hh0j45q0qlxnmyw";
   };
 
   llvm_meta = {
diff --git a/pkgs/development/compilers/llvm/git/libunwind/gnu-install-dirs.patch b/pkgs/development/compilers/llvm/git/libunwind/gnu-install-dirs.patch
index a791d6c43231..56231cd31b2a 100644
--- a/pkgs/development/compilers/llvm/git/libunwind/gnu-install-dirs.patch
+++ b/pkgs/development/compilers/llvm/git/libunwind/gnu-install-dirs.patch
@@ -1,5 +1,5 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 48cb8e004e08..fec8144fb95a 100644
+index a2c03fd3f8aa..98de2f8ea7c8 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
 @@ -23,6 +23,8 @@ set(LIBUNWIND_LIBCXX_PATH "${CMAKE_CURRENT_LIST_DIR}/../libcxx" CACHE PATH
@@ -9,14 +9,14 @@ index 48cb8e004e08..fec8144fb95a 100644
 +  include(GNUInstallDirs)
 +
    set(PACKAGE_NAME libunwind)
-   set(PACKAGE_VERSION 12.0.0)
+   set(PACKAGE_VERSION 13.0.0git)
    set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
-@@ -115,17 +117,17 @@ set(CMAKE_MODULE_PATH
+@@ -116,17 +118,17 @@ set(CMAKE_MODULE_PATH
  
  if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
-   set(LIBUNWIND_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++)
--  set(LIBUNWIND_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++)
-+  set(LIBUNWIND_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++)
+   set(LIBUNWIND_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE})
+-  set(LIBUNWIND_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE})
++  set(LIBUNWIND_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE})
    if(LIBCXX_LIBDIR_SUBDIR)
      string(APPEND LIBUNWIND_LIBRARY_DIR /${LIBUNWIND_LIBDIR_SUBDIR})
      string(APPEND LIBUNWIND_INSTALL_LIBRARY_DIR /${LIBUNWIND_LIBDIR_SUBDIR})
@@ -24,11 +24,11 @@ index 48cb8e004e08..fec8144fb95a 100644
  elseif(LLVM_LIBRARY_OUTPUT_INTDIR)
    set(LIBUNWIND_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
 -  set(LIBUNWIND_INSTALL_LIBRARY_DIR lib${LIBUNWIND_LIBDIR_SUFFIX})
-+  set(LIBUNWIND_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBUNWIND_LIBDIR_SUFFIX})
++  set(LIBUNWIND_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX})
  else()
    set(LIBUNWIND_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBUNWIND_LIBDIR_SUFFIX})
 -  set(LIBUNWIND_INSTALL_LIBRARY_DIR lib${LIBUNWIND_LIBDIR_SUFFIX})
-+  set(LIBUNWIND_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LIBUNWIND_LIBDIR_SUFFIX})
++  set(LIBUNWIND_INSTALL_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX})
  endif()
  
  set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBUNWIND_LIBRARY_DIR})
diff --git a/pkgs/development/compilers/llvm/git/llvm/default.nix b/pkgs/development/compilers/llvm/git/llvm/default.nix
index f65476a6fddd..daf4cfe808b6 100644
--- a/pkgs/development/compilers/llvm/git/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/git/llvm/default.nix
@@ -12,6 +12,7 @@
 , version
 , release_version
 , zlib
+, which
 , buildLlvmTools
 , debugVersion ? false
 , enableManpages ? false
@@ -47,15 +48,10 @@ in stdenv.mkDerivation (rec {
 
   propagatedBuildInputs = [ ncurses zlib ];
 
+  checkInputs = [ which ];
+
   patches = [
     ./gnu-install-dirs.patch
-    # On older CPUs (e.g. Hydra/wendy) we'd be getting an error in this test.
-    (fetchpatch {
-      name = "uops-CMOV16rm-noreg.diff";
-      url = "https://github.com/llvm/llvm-project/commit/9e9f991ac033.diff";
-      sha256 = "sha256:12s8vr6ibri8b48h2z38f3afhwam10arfiqfy4yg37bmc054p5hi";
-      stripLen = 1;
-    })
   ] ++ lib.optional enablePolly ./gnu-install-dirs-polly.patch;
 
   postPatch = optionalString stdenv.isDarwin ''
@@ -75,6 +71,7 @@ in stdenv.mkDerivation (rec {
     substituteInPlace unittests/IR/CMakeLists.txt \
       --replace "PassBuilderCallbacksTest.cpp" ""
     rm unittests/IR/PassBuilderCallbacksTest.cpp
+    rm test/tools/llvm-objcopy/ELF/mirror-permissions-unix.test
   '' + optionalString stdenv.hostPlatform.isMusl ''
     patch -p1 -i ${../../TLI-musl.patch}
     substituteInPlace unittests/Support/CMakeLists.txt \
diff --git a/pkgs/development/compilers/llvm/git/llvm/gnu-install-dirs.patch b/pkgs/development/compilers/llvm/git/llvm/gnu-install-dirs.patch
index da8dc1445171..f62a23716987 100644
--- a/pkgs/development/compilers/llvm/git/llvm/gnu-install-dirs.patch
+++ b/pkgs/development/compilers/llvm/git/llvm/gnu-install-dirs.patch
@@ -1,8 +1,8 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 277d0fe54d7b..af69c8be8745 100644
+index e5febba8043c..3cf530c341b0 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -256,15 +256,21 @@ if (CMAKE_BUILD_TYPE AND
+@@ -270,15 +270,21 @@ if (CMAKE_BUILD_TYPE AND
    message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
  endif()
  
@@ -25,7 +25,7 @@ index 277d0fe54d7b..af69c8be8745 100644
  # They are used as destination of target generators.
  set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
  set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
-@@ -567,9 +573,9 @@ option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
+@@ -581,9 +587,9 @@ option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
  option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
  option (LLVM_ENABLE_BINDINGS "Build bindings." ON)
  
@@ -37,7 +37,7 @@ index 277d0fe54d7b..af69c8be8745 100644
      CACHE STRING "OCamldoc-generated HTML documentation install directory")
  
  option (LLVM_BUILD_EXTERNAL_COMPILER_RT
-@@ -1027,7 +1033,7 @@ endif()
+@@ -1046,7 +1052,7 @@ endif()
  
  if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
    install(DIRECTORY include/llvm include/llvm-c
@@ -46,7 +46,7 @@ index 277d0fe54d7b..af69c8be8745 100644
      COMPONENT llvm-headers
      FILES_MATCHING
      PATTERN "*.def"
-@@ -1038,7 +1044,7 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+@@ -1057,7 +1063,7 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
      )
  
    install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm ${LLVM_INCLUDE_DIR}/llvm-c
@@ -55,7 +55,7 @@ index 277d0fe54d7b..af69c8be8745 100644
      COMPONENT llvm-headers
      FILES_MATCHING
      PATTERN "*.def"
-@@ -1052,13 +1058,13 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+@@ -1071,13 +1077,13 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
  
    if (LLVM_INSTALL_MODULEMAPS)
      install(DIRECTORY include/llvm include/llvm-c
@@ -72,11 +72,11 @@ index 277d0fe54d7b..af69c8be8745 100644
              RENAME "module.extern.modulemap"
              )
 diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
-index 97c9980c7de3..409e8b615f75 100644
+index 1c419cddbe93..fa0be670986b 100644
 --- a/cmake/modules/AddLLVM.cmake
 +++ b/cmake/modules/AddLLVM.cmake
-@@ -804,9 +804,9 @@ macro(add_llvm_library name)
- 
+@@ -801,9 +801,9 @@ macro(add_llvm_library name)
+       get_target_export_arg(${name} LLVM export_to_llvmexports ${umbrella})
        install(TARGETS ${name}
                ${export_to_llvmexports}
 -              LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name}
@@ -88,7 +88,7 @@ index 97c9980c7de3..409e8b615f75 100644
  
        if (NOT LLVM_ENABLE_IDE)
          add_llvm_install_targets(install-${name}
-@@ -1022,7 +1022,7 @@ function(process_llvm_pass_plugins)
+@@ -1019,7 +1019,7 @@ function(process_llvm_pass_plugins)
            "set(LLVM_STATIC_EXTENSIONS ${LLVM_STATIC_EXTENSIONS})")
        install(FILES
            ${llvm_cmake_builddir}/LLVMConfigExtensions.cmake
@@ -97,7 +97,7 @@ index 97c9980c7de3..409e8b615f75 100644
            COMPONENT cmake-exports)
  
        set(ExtensionDef "${LLVM_BINARY_DIR}/include/llvm/Support/Extension.def")
-@@ -1242,7 +1242,7 @@ macro(add_llvm_example name)
+@@ -1233,7 +1233,7 @@ macro(add_llvm_example name)
    endif()
    add_llvm_executable(${name} ${ARGN})
    if( LLVM_BUILD_EXAMPLES )
@@ -106,7 +106,7 @@ index 97c9980c7de3..409e8b615f75 100644
    endif()
    set_target_properties(${name} PROPERTIES FOLDER "Examples")
  endmacro(add_llvm_example name)
-@@ -1854,7 +1854,7 @@ function(llvm_install_library_symlink name dest type)
+@@ -1851,7 +1851,7 @@ function(llvm_install_library_symlink name dest type)
    set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX})
    set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX})
  
@@ -115,8 +115,8 @@ index 97c9980c7de3..409e8b615f75 100644
    if(WIN32 AND "${type}" STREQUAL "SHARED")
      set(output_dir bin)
    endif()
-@@ -1871,7 +1871,7 @@ function(llvm_install_library_symlink name dest type)
-   endif()
+@@ -1862,7 +1862,7 @@ function(llvm_install_library_symlink name dest type)
+ 
  endfunction()
  
 -function(llvm_install_symlink name dest)
@@ -124,7 +124,7 @@ index 97c9980c7de3..409e8b615f75 100644
    cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN})
    foreach(path ${CMAKE_MODULE_PATH})
      if(EXISTS ${path}/LLVMInstallSymlink.cmake)
-@@ -1894,7 +1894,7 @@ function(llvm_install_symlink name dest)
+@@ -1885,7 +1885,7 @@ function(llvm_install_symlink name dest)
    set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX})
  
    install(SCRIPT ${INSTALL_SYMLINK}
@@ -133,7 +133,7 @@ index 97c9980c7de3..409e8b615f75 100644
            COMPONENT ${component})
  
    if (NOT LLVM_ENABLE_IDE AND NOT ARG_ALWAYS_GENERATE)
-@@ -1977,7 +1977,8 @@ function(add_llvm_tool_symlink link_name target)
+@@ -1968,7 +1968,8 @@ function(add_llvm_tool_symlink link_name target)
      endif()
  
      if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS)
@@ -143,12 +143,12 @@ index 97c9980c7de3..409e8b615f75 100644
      endif()
    endif()
  endfunction()
-@@ -2100,9 +2101,9 @@ function(llvm_setup_rpath name)
- 
-   if (APPLE)
-     set(_install_name_dir INSTALL_NAME_DIR "@rpath")
--    set(_install_rpath "@loader_path/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir})
-+    set(_install_rpath "@loader_path/../${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}" ${extra_libdir})
+@@ -2097,9 +2098,9 @@ function(llvm_setup_rpath name)
+     # Since BUILD_SHARED_LIBS is only recommended for use by developers,
+     # hardcode the rpath to build/install lib dir first in this mode.
+     # FIXME: update this when there is better solution.
+-    set(_install_rpath "${LLVM_LIBRARY_OUTPUT_INTDIR}" "${CMAKE_INSTALL_PREFIX}/lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir})
++    set(_install_rpath "${LLVM_LIBRARY_OUTPUT_INTDIR}" "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}" ${extra_libdir})
    elseif(UNIX)
 -    set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir})
 +    set(_install_rpath "\$ORIGIN/../${CMAKE_INSTALL_LIBDIR}${LLVM_LIBDIR_SUFFIX}" ${extra_libdir})
@@ -185,16 +185,18 @@ index e80c3b5c1cac..482f6d715ef5 100644
  
          # '/.' indicates: copy the contents of the directory directly into
 diff --git a/cmake/modules/CMakeLists.txt b/cmake/modules/CMakeLists.txt
-index 505dc9a29d70..36e6c63af3f4 100644
+index 51b6a4fdc284..4adc2acfc074 100644
 --- a/cmake/modules/CMakeLists.txt
 +++ b/cmake/modules/CMakeLists.txt
-@@ -1,4 +1,4 @@
+@@ -1,6 +1,6 @@
+ include(LLVMDistributionSupport)
+ 
 -set(LLVM_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm)
 +set(LLVM_INSTALL_PACKAGE_DIR ${LLVM_INSTALL_CMAKE_DIR} CACHE STRING "Path for CMake subdirectory (defaults to 'cmake/llvm')")
  set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}")
  
  # First for users who use an installed LLVM, create the LLVMExports.cmake file.
-@@ -107,13 +107,13 @@ foreach(p ${_count})
+@@ -109,13 +109,13 @@ foreach(p ${_count})
    set(LLVM_CONFIG_CODE "${LLVM_CONFIG_CODE}
  get_filename_component(LLVM_INSTALL_PREFIX \"\${LLVM_INSTALL_PREFIX}\" PATH)")
  endforeach(p)
@@ -212,20 +214,20 @@ index 505dc9a29d70..36e6c63af3f4 100644
  # Generate a default location for lit
  if (LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS)
 diff --git a/cmake/modules/LLVMInstallSymlink.cmake b/cmake/modules/LLVMInstallSymlink.cmake
-index 09fed8085c23..aa79f192abf0 100644
+index 3e6a2c9a2648..52e14d955c60 100644
 --- a/cmake/modules/LLVMInstallSymlink.cmake
 +++ b/cmake/modules/LLVMInstallSymlink.cmake
-@@ -10,7 +10,7 @@ function(install_symlink name target outdir)
-     set(LINK_OR_COPY copy)
-   endif()
+@@ -4,7 +4,7 @@
  
+ function(install_symlink name target outdir)
+   set(DESTDIR $ENV{DESTDIR})
 -  set(bindir "${DESTDIR}${CMAKE_INSTALL_PREFIX}/${outdir}/")
 +  set(bindir "${DESTDIR}${outdir}/")
  
    message(STATUS "Creating ${name}")
  
 diff --git a/docs/CMake.rst b/docs/CMake.rst
-index bb821b417ad9..6a528f7c2ad3 100644
+index 589b09f28281..af43b082f755 100644
 --- a/docs/CMake.rst
 +++ b/docs/CMake.rst
 @@ -196,7 +196,7 @@ CMake manual, or execute ``cmake --help-variable VARIABLE_NAME``.
@@ -237,7 +239,7 @@ index bb821b417ad9..6a528f7c2ad3 100644
  
  **CMAKE_C_FLAGS**:STRING
    Extra flags to use when compiling C source files.
-@@ -550,8 +550,8 @@ LLVM-specific variables
+@@ -555,8 +555,8 @@ LLVM-specific variables
  
  **LLVM_INSTALL_DOXYGEN_HTML_DIR**:STRING
    The path to install Doxygen-generated HTML documentation to. This path can
@@ -248,7 +250,7 @@ index bb821b417ad9..6a528f7c2ad3 100644
  
  **LLVM_ENABLE_SPHINX**:BOOL
    If specified, CMake will search for the ``sphinx-build`` executable and will make
-@@ -582,13 +582,33 @@ LLVM-specific variables
+@@ -587,13 +587,33 @@ LLVM-specific variables
  
  **LLVM_INSTALL_SPHINX_HTML_DIR**:STRING
    The path to install Sphinx-generated HTML documentation to. This path can
@@ -286,7 +288,7 @@ index bb821b417ad9..6a528f7c2ad3 100644
  
  **LLVM_CREATE_XCODE_TOOLCHAIN**:BOOL
    macOS Only: If enabled CMake will generate a target named
-@@ -786,9 +806,11 @@ the ``cmake`` command or by setting it directly in ``ccmake`` or ``cmake-gui``).
+@@ -791,9 +811,11 @@ the ``cmake`` command or by setting it directly in ``ccmake`` or ``cmake-gui``).
  
  This file is available in two different locations.
  
diff --git a/pkgs/development/compilers/llvm/update-git.py b/pkgs/development/compilers/llvm/update-git.py
index ec1a30c6b0ff..1ef16cfb9b1d 100755
--- a/pkgs/development/compilers/llvm/update-git.py
+++ b/pkgs/development/compilers/llvm/update-git.py
@@ -64,7 +64,7 @@ default_nix = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'git/defa
 with fileinput.FileInput(default_nix, inplace=True) as f:
     for line in f:
         result = re.sub(r'^  release_version = ".+";', f'  release_version = "{release_version}";', line)
-        result = re.sub(r'^  version = ".+";', f'  version = "{version}";', result)
         result = re.sub(r'^  rev = ".*";', f'  rev = "{commit["sha"]}";', result)
+        result = re.sub(r'^  rev-version = ".+";', f'  rev-version = "{version}";', result)
         result = re.sub(r'^    sha256 = ".+";', f'    sha256 = "{hash}";', result)
         print(result, end='')
diff --git a/pkgs/development/python-modules/black/default.nix b/pkgs/development/python-modules/black/default.nix
index bf82df4afa34..6f4e05767bb7 100644
--- a/pkgs/development/python-modules/black/default.nix
+++ b/pkgs/development/python-modules/black/default.nix
@@ -5,6 +5,7 @@
 , appdirs
 , attrs
 , click
+, colorama
 , dataclasses
 , mypy-extensions
 , pathspec
@@ -12,17 +13,20 @@
 , regex
 , toml
 , typed-ast
-, typing-extensions }:
+, typing-extensions
+, uvloop
+}:
+
 
 buildPythonPackage rec {
   pname = "black";
-  version = "21.5b1";
+  version = "21.6b0";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1cdkrl5vw26iy7s23v2zpr39m6g5xsgxhfhagzzflgfbvdc56s93";
+    sha256 = "016f6bhnnnbcrrh3cvmpk77ww0nykv5n1qvgf8b3044dm14264yw";
   };
 
   nativeBuildInputs = [ setuptools-scm ];
@@ -31,7 +35,7 @@ buildPythonPackage rec {
   # Black starts a local server and needs to bind a local address.
   __darwinAllowLocalNetworking = true;
 
-  checkInputs =  [ pytestCheckHook parameterized ];
+  checkInputs = [ pytestCheckHook parameterized ];
 
   preCheck = ''
     export PATH="$PATH:$out/bin"
@@ -39,6 +43,9 @@ buildPythonPackage rec {
     # The top directory /build matches black's DEFAULT_EXCLUDE regex.
     # Make /build the project root for black tests to avoid excluding files.
     touch ../.git
+  '' + lib.optionalString stdenv.isDarwin ''
+    # Work around https://github.com/psf/black/issues/2105
+    export TMPDIR="/tmp"
   '';
 
   disabledTests = [
@@ -55,19 +62,21 @@ buildPythonPackage rec {
     appdirs
     attrs
     click
+    colorama
     mypy-extensions
     pathspec
     regex
     toml
-    typed-ast
-    typing-extensions
-  ] ++ lib.optional (pythonOlder "3.7") dataclasses;
+    typed-ast # required for tests and python2 extra
+    uvloop
+  ] ++ lib.optional (pythonOlder "3.7") dataclasses
+    ++ lib.optional (pythonOlder "3.8") typing-extensions;
 
   meta = with lib; {
     description = "The uncompromising Python code formatter";
-    homepage    = "https://github.com/psf/black";
-    changelog   = "https://github.com/psf/black/blob/${version}/CHANGES.md";
-    license     = licenses.mit;
+    homepage = "https://github.com/psf/black";
+    changelog = "https://github.com/psf/black/blob/${version}/CHANGES.md";
+    license = licenses.mit;
     maintainers = with maintainers; [ sveitser ];
   };
 }
diff --git a/pkgs/tools/misc/freshfetch/default.nix b/pkgs/tools/misc/freshfetch/default.nix
index 7ed334360358..b9d671f224e2 100644
--- a/pkgs/tools/misc/freshfetch/default.nix
+++ b/pkgs/tools/misc/freshfetch/default.nix
@@ -1,4 +1,14 @@
-{ fetchFromGitHub, fetchurl, lib, rustPlatform }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, fetchurl
+, rustPlatform
+, AppKit
+, CoreFoundation
+, DiskArbitration
+, Foundation
+, IOKit
+}:
 
 rustPlatform.buildRustPackage rec {
   pname = "freshfetch";
@@ -22,6 +32,14 @@ rustPlatform.buildRustPackage rec {
   # freshfetch depends on rust nightly features
   RUSTC_BOOTSTRAP = 1;
 
+  buildInputs = lib.optionals stdenv.isDarwin [
+    AppKit
+    CoreFoundation
+    DiskArbitration
+    Foundation
+    IOKit
+  ];
+
   meta = with lib; {
     description = "A fresh take on neofetch";
     homepage = "https://github.com/k4rakara/freshfetch";
diff --git a/pkgs/tools/misc/pferd/default.nix b/pkgs/tools/misc/pferd/default.nix
index 38d7355e946d..c964a334553c 100644
--- a/pkgs/tools/misc/pferd/default.nix
+++ b/pkgs/tools/misc/pferd/default.nix
@@ -5,14 +5,14 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "pferd";
-  version = "3.0.1";
+  version = "3.1.0";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "Garmelon";
     repo = "PFERD";
     rev = "v${version}";
-    sha256 = "1s0z8yajy3n194pnlqb48hy2n5qvhkzwbpksrdyds79vfq0b9rdl";
+    sha256 = "08kcl1c8z8qx65dfz5ghmbfqyjgkng4g9ymcnhydiz8j27smkj5d";
   };
 
   propagatedBuildInputs = with python3Packages; [
diff --git a/pkgs/tools/security/pass/extensions/import.nix b/pkgs/tools/security/pass/extensions/import.nix
index 7fa9ce3177e5..60775be180c8 100644
--- a/pkgs/tools/security/pass/extensions/import.nix
+++ b/pkgs/tools/security/pass/extensions/import.nix
@@ -9,37 +9,21 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "pass-import";
-  version = "3.1";
+  version = "3.2";
 
   src = fetchFromGitHub {
     owner = "roddhjav";
     repo = "pass-import";
     rev = "v${version}";
-    sha256 = "sha256-nH2xAqWfMT+Brv3z9Aw6nbvYqArEZjpM28rKsRPihqA=";
+    sha256 = "0hrpg7yiv50xmbajfy0zdilsyhbj5iv0qnlrgkfv99q1dvd5qy56";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "support-for-keepass-4.0.0.patch";
-      url = "https://github.com/roddhjav/pass-import/commit/86cfb1bb13a271fefe1e70f24be18e15a83a04d8.patch";
-      sha256 = "0mrlblqlmwl9gqs2id4rl4sivrcclsv6zyc6vjqi78kkqmnwzhxh";
-    })
-    # by default, tries to install scripts/pimport, which is a bash wrapper around "python -m pass_import ..."
-    # This is a better way to do the same, and takes advantage of the existing Nix python environments
-    # from https://github.com/roddhjav/pass-import/pull/138
-    (fetchpatch {
-      name = "pass-import-pr-138-pimport-entrypoint.patch";
-      url = "https://github.com/roddhjav/pass-import/commit/ccdb6995bee6436992dd80d7b3101f0eb94c59bb.patch";
-      sha256 = "sha256-CO8PyWxa4eLuTQBB+jKTImFPlPn+1yt6NBsIp+SPk94=";
-    })
-  ];
-
   propagatedBuildInputs = with python3Packages; [
     cryptography
     defusedxml
     pyaml
     pykeepass
-    python_magic  # similar API to "file-magic", but already in nixpkgs.
+    python_magic # similar API to "file-magic", but already in nixpkgs.
     secretstorage
   ];
 
@@ -52,20 +36,21 @@ python3Packages.buildPythonApplication rec {
   disabledTests = [
     "test_import_gnome_keyring" # requires dbus, which pytest doesn't support
   ];
-  postCheck = ''
-    $out/bin/pimport --list-exporters --list-importers
-  '';
 
   postInstall = ''
     mkdir -p $out/lib/password-store/extensions
-    cp ${src}/scripts/import.bash $out/lib/password-store/extensions/import.bash
+    cp ${src}/import.bash $out/lib/password-store/extensions/import.bash
     wrapProgram $out/lib/password-store/extensions/import.bash \
-      --prefix PATH : "${python3Packages.python.withPackages(_: propagatedBuildInputs)}/bin" \
+      --prefix PATH : "${python3Packages.python.withPackages (_: propagatedBuildInputs)}/bin" \
       --prefix PYTHONPATH : "$out/${python3Packages.python.sitePackages}" \
       --run "export PREFIX"
     cp -r ${src}/share $out/
   '';
 
+  postCheck = ''
+    $out/bin/pimport --list-exporters --list-importers
+  '';
+
   meta = with lib; {
     description = "Pass extension for importing data from existing password managers";
     homepage = "https://github.com/roddhjav/pass-import";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2b2bdbfbfbea..e6b5e4554acc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4855,7 +4855,9 @@ in
 
   frescobaldi = python3Packages.callPackage ../misc/frescobaldi {};
 
-  freshfetch = callPackage ../tools/misc/freshfetch { };
+  freshfetch = callPackage ../tools/misc/freshfetch {
+    inherit (darwin.apple_sdk.frameworks) AppKit CoreFoundation DiskArbitration Foundation IOKit;
+  };
 
   frostwire = callPackage ../applications/networking/p2p/frostwire { };
   frostwire-bin = callPackage ../applications/networking/p2p/frostwire/frostwire-bin.nix { };
@@ -21865,6 +21867,8 @@ in
 
   edusong = callPackage ../data/fonts/edusong { };
 
+  efont-unicode = callPackage ../data/fonts/efont-unicode { };
+
   elliptic_curves = callPackage ../data/misc/elliptic_curves { };
 
   equilux-theme = callPackage ../data/themes/equilux-theme { };