diff --git a/gnu/packages/aidc.scm b/gnu/packages/aidc.scm
index 21fc1957a2..ac85dca4b0 100644
--- a/gnu/packages/aidc.scm
+++ b/gnu/packages/aidc.scm
@@ -38,54 +38,58 @@
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
   #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages pretty-print)
   #:use-module (gnu packages qt)
   #:use-module (gnu packages video)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu))
 
 (define-public zxing-cpp
-  (package
+  ;; Use the master branch as it includes unreleased build system improvements
+  ;; allowing to use system libraries (instead of attempting to fetch them
+  ;; from the Internet).
+  (let ((revision "0")
+        (commit "00783db7aa3bcf8620a301854ac71c0ceaaca0c1"))
+    (package
+      (name "zxing-cpp")
+      (version (git-version "1.2.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/nu-book/zxing-cpp")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1yl2cpaqiv1g4nq9v0xfj1vd5faz55k4541vz6hsffvcxgn9nmc5"))))
+      (build-system cmake-build-system)
+      (native-inputs
+       `(("fmt" ,fmt)
+         ("googletest" ,googletest)))
+      (synopsis "C++ port of ZXing")
+      (description "ZXing-CPP is a barcode scanning library.")
+      (home-page "https://github.com/nu-book/zxing-cpp")
+      (license license:asl2.0))))
+
+;;; This older variant is kept for gst-plugins-bad (see:
+;;; https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/1684).
+(define-public zxing-cpp-1.2
+  (package/inherit zxing-cpp
     (name "zxing-cpp")
-    (version "1.0.8")
-    (source
-     (origin
-       (method git-fetch)
-       (uri
-        (git-reference
-         (url "https://github.com/nu-book/zxing-cpp")
-         (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32 "011sq8wcjfxbnd8sj6bf2fgkamlp8gj6q835g61c952npvwsnl71"))))
-    (native-inputs
-     `(("googletest-source" ,(package-source googletest))))
-    (build-system cmake-build-system)
-    (arguments
-     `(#:out-of-source? #f
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'unpack-googletest
-           ;; Copy the googletest sources to where the CMake build expects them.
-           (lambda* (#:key inputs #:allow-other-keys)
-             (let ((source (assoc-ref inputs "googletest-source"))
-                   (target "test/unit/googletest-src"))
-               (mkdir-p target)
-               (copy-recursively source target)
-               ;; Disable downloading via ExternalProject.
-               (substitute* "test/unit/CMakeLists.txt.in"
-                (("ExternalProject_Add\\(") "message("))
-               #t)))
-         (replace 'check
-           (lambda _
-             (with-directory-excursion "test/unit"
-               (invoke "cmake" ".")
-               (invoke "make")
-               (invoke "./ZXingUnitTest"))
-             #t)))))
-    (synopsis "C++ port of ZXing")
-    (description "ZXing-CPP is a barcode scanning library.")
-    (home-page "https://github.com/nu-book/zxing-cpp")
-    (license license:asl2.0)))
+    (version "1.2.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/nu-book/zxing-cpp")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1gjj9c7h634rrmmgzbc7cxjqsxdq0paj6113k02ncjm1s9abk7ik"))))
+    ;; Disable tests to avoid bundled dependencies.
+    (arguments '(#:tests? #f
+                 #:configure-flags '("-DBUILD_BLACKBOX_TESTS=OFF")))
+    (native-inputs '())))
 
 (define-public barcode
   (package
diff --git a/gnu/packages/gstreamer.scm b/gnu/packages/gstreamer.scm
index 2ee9fdcea8..a4c7967c4c 100644
--- a/gnu/packages/gstreamer.scm
+++ b/gnu/packages/gstreamer.scm
@@ -775,7 +775,12 @@ model to base your own plug-in on, here it is.")
                  ;; https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/932
                  ((".*elements/curlhttpsrc\\.c.*") "")
                  ;; https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/1412
-                 ((".*elements/dtls\\.c.*") "")))))
+                 ((".*elements/dtls\\.c.*") ""))
+               (substitute* "tests/check/elements/zxing.c"
+                 ;; zxing 1.2.0 seemingly changed the type representation of
+                 ;; the EAN_13 structure; disable it.
+                 ((".*\"EAN_13\".*")
+                  "")))))
          (add-before 'check 'pre-check
            (lambda _
              ;; Tests require a running X server.
@@ -898,7 +903,7 @@ model to base your own plug-in on, here it is.")
        ("wpebackend-fdo" ,wpebackend-fdo)
        ;; ("wpewebkit" ,wpewebkit)
        ("zbar" ,zbar)
-       ("zxing" ,zxing-cpp)))
+       ("zxing" ,zxing-cpp-1.2)))
     (home-page "https://gstreamer.freedesktop.org/")
     (synopsis "Plugins for the GStreamer multimedia library")
     (description