diff --git a/pkgs/applications/editors/android-studio/common.nix b/pkgs/applications/editors/android-studio/common.nix
index 605d810b3d9c..cbd156d78e0e 100644
--- a/pkgs/applications/editors/android-studio/common.nix
+++ b/pkgs/applications/editors/android-studio/common.nix
@@ -1,4 +1,4 @@
-{ channel, pname, version, build, sha256Hash }:
+{ channel, pname, version, build ? null, sha256Hash }:
 
 { alsaLib
 , bash
@@ -53,11 +53,13 @@
 
 let
   drvName = "android-studio-${channel}-${version}";
+  filename = "android-studio-" + (if (build != null) then "ide-${build}" else version) + "-linux.tar.gz";
+
   androidStudio = stdenv.mkDerivation {
     name = "${drvName}-unwrapped";
 
     src = fetchurl {
-      url = "https://dl.google.com/dl/android/studio/ide-zips/${version}/android-studio-ide-${build}-linux.tar.gz";
+      url = "https://dl.google.com/dl/android/studio/ide-zips/${version}/${filename}";
       sha256 = sha256Hash;
     };
 
diff --git a/pkgs/applications/editors/android-studio/default.nix b/pkgs/applications/editors/android-studio/default.nix
index d94ad070536a..d1eb7e58ef83 100644
--- a/pkgs/applications/editors/android-studio/default.nix
+++ b/pkgs/applications/editors/android-studio/default.nix
@@ -14,14 +14,13 @@ let
     sha256Hash = "sha256-aAMhhJWcVFdvEZt8fI3tF12Eg3TzlU+kUFMNeCYN1os=";
   };
   betaVersion = {
-    version = "4.2.0.17"; # "Android Studio 4.2 Beta 1"
-    build = "202.6987402";
-    sha256Hash = "07qr0b1zdzpc1nsi6593518dxp89dcjfp4lznb1d3id8vbqla4i7";
+    version = "4.2.0.18"; # "Android Studio 4.2 Beta 2"
+    build = "202.7008469";
+    sha256Hash = "0323i4mcib84z7bsy801640gadd2k8ps7vr9jbdpb6i9gma6klmh";
   };
   latestVersion = { # canary & dev
-    version = "2020.3.1.2"; # "Android Studio Arctic Fox Canary 2"
-    build = "202.7006259";
-    sha256Hash = "1d4brfx1fh1vlcjkb0x8hjj2qgz2dl5wbaiy8dj8w03vcf493nc5";
+    version = "2020.3.1.3"; # "Android Studio Arctic Fox Canary 3"
+    sha256Hash = "1nx78j3pqr8qgwprnzfy17w9jmkgiqnlbsw91jnslr9p9fd0ixcx";
   };
 in {
   # Attributes are named by their corresponding release channels
diff --git a/pkgs/applications/kde/yakuake.nix b/pkgs/applications/kde/yakuake.nix
index 492c00fcb49a..10bf27038ae9 100644
--- a/pkgs/applications/kde/yakuake.nix
+++ b/pkgs/applications/kde/yakuake.nix
@@ -1,7 +1,7 @@
 {
   mkDerivation, lib, kdoctools, extra-cmake-modules,
   karchive, kcrash, kdbusaddons, ki18n, kiconthemes, knewstuff, knotifications,
-  knotifyconfig, konsole, kparts, kwindowsystem, qtx11extras
+  knotifyconfig, konsole, kparts, kwayland, kwindowsystem, qtx11extras
 }:
 
 mkDerivation {
@@ -9,7 +9,7 @@ mkDerivation {
 
   buildInputs = [
     karchive kcrash kdbusaddons ki18n kiconthemes knewstuff knotifications
-    knotifyconfig kparts kwindowsystem qtx11extras
+    knotifyconfig kparts kwayland kwindowsystem qtx11extras
   ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/applications/networking/mailreaders/mlarchive2maildir/default.nix b/pkgs/applications/networking/mailreaders/mlarchive2maildir/default.nix
index c7554fc84b08..ce13a4de8d09 100644
--- a/pkgs/applications/networking/mailreaders/mlarchive2maildir/default.nix
+++ b/pkgs/applications/networking/mailreaders/mlarchive2maildir/default.nix
@@ -2,11 +2,11 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "mlarchive2maildir";
-  version = "0.0.8";
+  version = "0.0.9";
 
   src = python3.pkgs.fetchPypi {
     inherit pname version;
-    sha256 = "1din3yay2sas85178v0xr0hbm2396y4dalkcqql1ny9vdm94h6sp";
+    sha256 = "02zjwa7zbcbqj76l0qmg7bbf3fqli60pl2apby3j4zwzcrrryczs";
   };
 
   nativeBuildInputs = with python3.pkgs; [ setuptools_scm ];
diff --git a/pkgs/applications/radio/soapyuhd/default.nix b/pkgs/applications/radio/soapyuhd/default.nix
index a169116c29a1..b2223d1abb70 100644
--- a/pkgs/applications/radio/soapyuhd/default.nix
+++ b/pkgs/applications/radio/soapyuhd/default.nix
@@ -1,22 +1,19 @@
-{ stdenv, fetchFromGitHub, cmake, pkgconfig
+{ stdenv, fetchFromGitHub, cmake, pkg-config
 , uhd, boost, soapysdr
 } :
 
-let
-  version = "0.3.6";
-
-in stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "soapyuhd";
-  inherit version;
+  version = "0.4.1";
 
   src = fetchFromGitHub {
     owner = "pothosware";
     repo = "SoapyUHD";
     rev = "soapy-uhd-${version}";
-    sha256 = "11kp5iv21k8lqwjjydzqmcxdgpm6yicw6d3jhzvcvwcavd41crs7";
+    sha256 = "14rk9ap9ayks2ma6mygca08yfds9bgfmip8cvwl87l06hwhnlwhj";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ uhd boost soapysdr ];
 
   cmakeFlags = [ "-DSoapySDR_DIR=${soapysdr}/share/cmake/SoapySDR/" ];
@@ -28,7 +25,7 @@ in stdenv.mkDerivation {
   meta = with stdenv.lib; {
     homepage = "https://github.com/pothosware/SoapyAirspy";
     description = "SoapySDR plugin for UHD devices";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
     maintainers = with maintainers; [ markuskowa ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/desktops/xfce/applications/orage/default.nix b/pkgs/desktops/xfce/applications/orage/default.nix
index 08b78ec40067..31438a1fc79e 100644
--- a/pkgs/desktops/xfce/applications/orage/default.nix
+++ b/pkgs/desktops/xfce/applications/orage/default.nix
@@ -28,7 +28,7 @@ mkXfceDerivation {
     # Fix build with libical 3.0
     (fetchpatch {
       name = "fix-libical3.patch";
-      url = "https://git.archlinux.org/svntogit/packages.git/plain/trunk/libical3.patch?h=packages/orage&id=7b1b06c42dda034d538977b9f3550b28e370057f";
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/libical3.patch?h=orage-4.10";
       sha256 = "1l8s106mcidmbx2p8c2pi8v9ngbv2x3fsgv36j8qk8wyd4qd1jbf";
     })
   ];
diff --git a/pkgs/development/python-modules/casbin/default.nix b/pkgs/development/python-modules/casbin/default.nix
index 51b66ef951a5..6633657d1863 100644
--- a/pkgs/development/python-modules/casbin/default.nix
+++ b/pkgs/development/python-modules/casbin/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "casbin";
-  version = "0.14.0";
+  version = "0.15.0";
 
   disabled = isPy27;
 
@@ -16,7 +16,7 @@ buildPythonPackage rec {
     owner = pname;
     repo = "pycasbin";
     rev = "v${version}";
-    sha256 = "0k5dhhlypilpa7h6ncqldvc14bv70c8mb2bbj7vyzfwahy57zb29";
+    sha256 = "0w34xs9qpf1x4rq2ri4fhx3yi8h4inzavv9hjsx8mlkzid7gdx1b";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/django-storages/default.nix b/pkgs/development/python-modules/django-storages/default.nix
index e3e48bda68b9..bdf7c21514c2 100644
--- a/pkgs/development/python-modules/django-storages/default.nix
+++ b/pkgs/development/python-modules/django-storages/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "django-storages";
-  version = "1.11";
+  version = "1.11.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "7af56611c62a1c174aab4e862efb7fdd98296dccf76f42135f5b6851fc313c97";
+    sha256 = "c823dbf56c9e35b0999a13d7e05062b837bae36c518a40255d522fbe3750fbb4";
   };
 
   propagatedBuildInputs = [ django ];