diff --git a/nixos/modules/hardware/all-firmware.nix b/nixos/modules/hardware/all-firmware.nix
index 3e88a4c20ad..d788480b014 100644
--- a/nixos/modules/hardware/all-firmware.nix
+++ b/nixos/modules/hardware/all-firmware.nix
@@ -50,6 +50,7 @@ in {
         rtl8723bs-firmware
         rtl8761b-firmware
         rtw88-firmware
+        rtw89-firmware
         zd1211fw
         alsa-firmware
         sof-firmware
diff --git a/pkgs/data/themes/sweet/default.nix b/pkgs/data/themes/sweet/default.nix
index 8a62735d2e5..bd1df3277c9 100644
--- a/pkgs/data/themes/sweet/default.nix
+++ b/pkgs/data/themes/sweet/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl }:
+{ lib, stdenv, fetchurl, gtk-engine-murrine }:
 
 stdenv.mkDerivation rec {
   pname = "sweet";
@@ -27,6 +27,8 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  propagatedUserEnvPkgs = [ gtk-engine-murrine ];
+
   sourceRoot = ".";
 
   installPhase = ''
diff --git a/pkgs/development/python-modules/tensorflow/default.nix b/pkgs/development/python-modules/tensorflow/default.nix
index 0216c05eeac..45dec96f1e3 100644
--- a/pkgs/development/python-modules/tensorflow/default.nix
+++ b/pkgs/development/python-modules/tensorflow/default.nix
@@ -1,5 +1,5 @@
 { stdenv, bazel_3, buildBazelPackage, isPy3k, lib, fetchFromGitHub, symlinkJoin
-, addOpenGLRunpath
+, addOpenGLRunpath, fetchpatch
 # Python deps
 , buildPythonPackage, pythonOlder, pythonAtLeast, python
 # Python libraries
@@ -114,6 +114,12 @@ let
     };
 
     patches = [
+      # included from 2.6.0 onwards
+      (fetchpatch {
+        name = "fix-numpy-1.20-notimplementederror.patch";
+        url = "https://github.com/tensorflow/tensorflow/commit/b258941525f496763d4277045b6513c815720e3a.patch";
+        sha256 = "19f9bzrcfsynk11s2hqvscin5c65zf7r6g3nb10jnimw79vafiry";
+      })
       # Relax too strict Python packages versions dependencies.
       ./relax-dependencies.patch
       # Add missing `io_bazel_rules_docker` dependency.
diff --git a/pkgs/misc/drivers/epson-escpr2/default.nix b/pkgs/misc/drivers/epson-escpr2/default.nix
index 130be517bb8..bcb56ac0051 100644
--- a/pkgs/misc/drivers/epson-escpr2/default.nix
+++ b/pkgs/misc/drivers/epson-escpr2/default.nix
@@ -1,8 +1,8 @@
-{ lib, stdenv, fetchurl, cups }:
+{ lib, stdenv, fetchurl, cups, busybox }:
 
 stdenv.mkDerivation rec {
   pname = "epson-inkjet-printer-escpr2";
-  version = "1.1.34";
+  version = "1.1.38";
 
   src = fetchurl {
     # To find new versions, visit
@@ -11,15 +11,26 @@ stdenv.mkDerivation rec {
     # version.
     # NOTE: Don't forget to update the webarchive link too!
     urls = [
-      "https://download3.ebz.epson.net/dsc/f/03/00/12/85/48/fd5de1ecd7270b0398399355e265c99dfd1dbafb/epson-inkjet-printer-escpr2-1.1.34.tar.gz"
-      "https://web.archive.org/web/20210627160654/https://download3.ebz.epson.net/dsc/f/03/00/12/85/48/fd5de1ecd7270b0398399355e265c99dfd1dbafb/epson-inkjet-printer-escpr2-1.1.34.tar.gz"
+      "https://download3.ebz.epson.net/dsc/f/03/00/12/91/84/6902a4d11864b195ddda45f6de968d8ec1ee9e3b/epson-inkjet-printer-escpr2-1.1.38-1lsb3.2.src.rpm"
+      "https://web.archive.org/web/20210731163511/https://download3.ebz.epson.net/dsc/f/03/00/12/91/84/6902a4d11864b195ddda45f6de968d8ec1ee9e3b/epson-inkjet-printer-escpr2-1.1.38-1lsb3.2.src.rpm"
     ];
-    sha256 = "sha256-sHBGWbkZ+zolHehyXQR8U2AyKSrgDSPmrkrcfcx/bAs=";
+    sha256 = "sha256-rQtmWREZKtu5MuqEn91/1+SfGol4f8jKzd1mQ0e3h1c=";
   };
 
+  unpackPhase = ''
+    runHook preUnpack
+
+    rpm2cpio $src | cpio -idmv
+    tar xvf ${pname}-${version}-1lsb3.2.tar.gz
+    cd ${pname}-${version}
+
+    runHook postUnpack
+  '';
+
   patches = [ ./cups-filter-ppd-dirs.patch ];
 
   buildInputs = [ cups ];
+  nativeBuildInputs = [ busybox ];
 
   meta = with lib; {
     homepage = "http://download.ebz.epson.net/dsc/search/01/search/";
diff --git a/pkgs/os-specific/linux/kernel/linux-zen.nix b/pkgs/os-specific/linux/kernel/linux-zen.nix
index 3955b1851d3..2b91a259232 100644
--- a/pkgs/os-specific/linux/kernel/linux-zen.nix
+++ b/pkgs/os-specific/linux/kernel/linux-zen.nix
@@ -1,7 +1,7 @@
 { lib, fetchFromGitHub, buildLinux, ... } @ args:
 
 let
-  version = "5.13.5";
+  version = "5.13.7";
   suffix = "zen1";
 in
 
@@ -14,11 +14,15 @@ buildLinux (args // {
     owner = "zen-kernel";
     repo = "zen-kernel";
     rev = "v${version}-${suffix}";
-    sha256 = "sha256-3guG482lsdcWqAJ1kY757D4EeOEpTDvy95de0bHif98=";
+    sha256 = "sha256-ZvB5Ejt9MXP4QK5cj9CGQgFJIfDV03IW5xcknCxDui0=";
+  };
+
+  structuredExtraConfig = with lib.kernel; {
+    ZEN_INTERACTIVE = yes;
   };
 
   extraMeta = {
-    branch = "5.12/master";
+    branch = "5.13";
     maintainers = with lib.maintainers; [ atemu andresilva ];
     description = "Built using the best configuration and kernel sources for desktop, multimedia, and gaming workloads.";
   };