diff --git a/gnu/local.mk b/gnu/local.mk
index 2bbb41da92..9a316f6edb 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1113,8 +1113,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/libmpeg2-global-symbol-test.patch	\
   %D%/packages/patches/libmygpo-qt-fix-qt-5.11.patch		\
   %D%/packages/patches/libmygpo-qt-missing-qt5-modules.patch	\
-  %D%/packages/patches/libreoffice-icu.patch			\
-  %D%/packages/patches/libreoffice-glm.patch			\
   %D%/packages/patches/libseccomp-open-aarch64.patch		\
   %D%/packages/patches/libsndfile-armhf-type-checks.patch	\
   %D%/packages/patches/libsndfile-CVE-2017-8361-8363-8365.patch	\
diff --git a/gnu/packages/libreoffice.scm b/gnu/packages/libreoffice.scm
index 581f098524..539ada46e5 100644
--- a/gnu/packages/libreoffice.scm
+++ b/gnu/packages/libreoffice.scm
@@ -41,6 +41,7 @@ (define-module (gnu packages libreoffice)
   #:use-module (guix utils)
   #:use-module (ice-9 match)
   #:use-module (gnu packages)
+  #:use-module (gnu packages aidc)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages base)
   #:use-module (gnu packages bison)
@@ -930,7 +931,7 @@ (define-public libqxp
 (define-public libreoffice
   (package
     (name "libreoffice")
-    (version "6.3.4.2")
+    (version "6.4.0.3")
     (source
      (origin
        (method url-fetch)
@@ -940,17 +941,7 @@ (define-public libreoffice
          (version-prefix version 3) "/libreoffice-" version ".tar.xz"))
        (sha256
         (base32
-         "1774vmf3lr5x24ikpn1z5vqcdwrhiwfkjy7sx09jqkvpm6d5awnb"))
-       (patches (search-patches "libreoffice-icu.patch"
-                                "libreoffice-glm.patch"))
-       (modules '((guix build utils)))
-       (snippet
-        '(begin
-           (for-each (lambda (file)
-                       ;; Adjust to renamed function in Poppler 0.72.
-                       (substitute* file (("getCString") "c_str")))
-                     (find-files "sdext/source/pdfimport/xpdfwrapper"))
-           #t))))
+         "09ra8a3ylb08xhy8wy233fs0f87klkpsbi9n3zss0c688afxjcf5"))))
     (build-system glib-or-gtk-build-system)
     (native-inputs
      `(("bison" ,bison)
@@ -1023,6 +1014,7 @@ (define-public libreoffice
        ("postgresql" ,postgresql)
        ("python" ,python)
        ("python-lxml" ,python-lxml)
+       ("qrcodegen-cpp" ,qrcodegen-cpp)
        ("redland" ,redland)
        ("sane-backends" ,sane-backends)
        ("unixodbc" ,unixodbc)
diff --git a/gnu/packages/patches/libreoffice-glm.patch b/gnu/packages/patches/libreoffice-glm.patch
deleted file mode 100644
index 9e76cf1389..0000000000
--- a/gnu/packages/patches/libreoffice-glm.patch
+++ /dev/null
@@ -1,58 +0,0 @@
-Fix build with GLM 0.9.9.
-
-This patch is an amalgamation of these upstream commits:
-
-https://github.com/LibreOffice/core/commit/953c4add8fd76d88f49a81ae4c21a1fdcc007e57
-https://github.com/LibreOffice/core/commit/5f1bf6598b5725ad1e50ae9f7ec7524cc8a834fa
-
-diff --git a/chart2/Library_chartcore.mk b/chart2/Library_chartcore.mk
-index 28bc87b89057..69d4c0552636 100644
---- a/chart2/Library_chartcore.mk
-+++ b/chart2/Library_chartcore.mk
-@@ -23,6 +23,12 @@ $(eval $(call gb_Library_add_defs,chartcore,\
-     -DOOO_DLLIMPLEMENTATION_CHARTVIEW \
- ))
- 
-+ifeq ($(SYSTEM_GLM),TRUE)
-+$(eval $(call gb_Library_add_defs,chartcore,\
-+        -DGLM_ENABLE_EXPERIMENTAL \
-+))
-+endif
-+
- $(eval $(call gb_Library_set_precompiled_header,chartcore,$(SRCDIR)/chart2/inc/pch/precompiled_chartcore))
- 
- $(eval $(call gb_Library_use_externals,chartcore,\
-diff --git a/vcl/Library_vcl.mk b/vcl/Library_vcl.mk
-index c1f3cc5324e7..0b684c6185a9 100644
---- a/vcl/Library_vcl.mk
-+++ b/vcl/Library_vcl.mk
-@@ -49,6 +49,12 @@ $(eval $(call gb_Library_add_defs,vcl,\
- 	-DENABLE_MERGELIBS=$(if $(MERGELIBS),1,0) \
- ))
- 
-+ifeq ($(SYSTEM_GLM),TRUE)
-+$(eval $(call gb_Library_add_defs,vcl,\
-+        -DGLM_ENABLE_EXPERIMENTAL \
-+))
-+endif
-+
- $(eval $(call gb_Library_use_sdk_api,vcl))
- 
- $(eval $(call gb_Library_use_custom_headers,vcl,\
-diff --git a/vcl/Executable_icontest.mk b/vcl/Executable_icontest.mk
-index ce163303f8a4..8c917b71cd0e 100644
---- a/vcl/Executable_icontest.mk
-+++ b/vcl/Executable_icontest.mk
-@@ -19,6 +19,12 @@ $(eval $(call gb_Executable_use_externals,icontest,\
- ))
- endif
- 
-+ifeq ($(SYSTEM_GLM),TRUE)
-+$(eval $(call gb_Executable_add_defs,icontest,\
-+    -DGLM_ENABLE_EXPERIMENTAL \
-+))
-+endif
-+
- $(eval $(call gb_Executable_use_api,icontest,\
-     offapi \
-     udkapi \
diff --git a/gnu/packages/patches/libreoffice-icu.patch b/gnu/packages/patches/libreoffice-icu.patch
deleted file mode 100644
index 2985d564aa..0000000000
--- a/gnu/packages/patches/libreoffice-icu.patch
+++ /dev/null
@@ -1,126 +0,0 @@
-This patch fixes the build of Libreoffice 6.0.5 with icu 61.1.
-It was downloaded from https://bugs.gentoo.org/651702.
-
---- a/forms/source/xforms/datatypes.hxx	
-+++ a/forms/source/xforms/datatypes.hxx	
-@@ -36,6 +36,8 @@ 
- 
- #include <memory>
- 
-+using icu::RegexMatcher;
-+
- 
- namespace xforms
- {
---- a/i18npool/inc/collator_unicode.hxx	
-+++ a/i18npool/inc/collator_unicode.hxx	
-@@ -26,6 +26,8 @@ 
- 
- #include <unicode/tblcoll.h>
- 
-+using icu::RuleBasedCollator;
-+
- //      ----------------------------------------------------
- //      class Collator_Unicode
- //      ----------------------------------------------------
---- a/i18npool/source/breakiterator/breakiterator_unicode.cxx	
-+++ a/i18npool/source/breakiterator/breakiterator_unicode.cxx	
-@@ -30,6 +30,9 @@ 
- #include <rtl/ustring.hxx>
- #include <string.h>
- 
-+using icu::BreakIterator;
-+using icu::RuleBasedBreakIterator;
-+
- U_CDECL_BEGIN
- extern const char OpenOffice_dat[];
- U_CDECL_END
---- a/i18npool/source/collator/collator_unicode.cxx	
-+++ a/i18npool/source/collator/collator_unicode.cxx	
-@@ -29,6 +29,8 @@ 
- #include <com/sun/star/i18n/CollatorOptions.hpp>
- #include <cppuhelper/supportsservice.hxx>
- 
-+using icu::Collator;
-+
- using namespace ::com::sun::star;
- using namespace ::com::sun::star::i18n;
- using namespace ::com::sun::star::lang;
---- a/i18npool/source/collator/gencoll_rule.cxx	
-+++ a/i18npool/source/collator/gencoll_rule.cxx	
-@@ -31,6 +31,8 @@ 
- 
- #include <unicode/tblcoll.h>
- 
-+using icu::RuleBasedCollator;
-+
- /* Main Procedure */
- 
- void data_write(char* file, char* name, sal_uInt8 *data, sal_Int32 len)
---- a/i18npool/source/ordinalsuffix/ordinalsuffix.cxx	
-+++ a/i18npool/source/ordinalsuffix/ordinalsuffix.cxx	
-@@ -29,6 +29,8 @@ 
- #include <unicode/normlzr.h>
- #include <memory>
- 
-+using icu::NumberFormat;
-+
- using namespace ::com::sun::star::i18n;
- using namespace ::com::sun::star::uno;
- using namespace ::com::sun::star;
---- a/i18npool/source/transliteration/ignoreDiacritics_CTL.cxx	
-+++ a/i18npool/source/transliteration/ignoreDiacritics_CTL.cxx	
-@@ -12,6 +12,8 @@ 
- #include <unicode/translit.h>
- #include <unicode/uchar.h>
- 
-+using icu::UnicodeString;
-+
- namespace i18npool {
- 
- ignoreDiacritics_CTL::ignoreDiacritics_CTL()
---- a/i18nutil/source/utility/unicode.cxx	
-+++ a/i18nutil/source/utility/unicode.cxx	
-@@ -34,6 +34,9 @@ 
- // which (obviously) breaks UnicodeType::CURRENCY_SYMBOL
- #undef CURRENCY_SYMBOL
- 
-+using icu::NumberFormat;
-+using icu::UnicodeString;
-+
- using namespace ::com::sun::star::i18n;
- 
- template<class L, typename T>
---- a/lotuswordpro/source/filter/localtime.cxx	
-+++ a/lotuswordpro/source/filter/localtime.cxx	
-@@ -57,6 +57,8 @@ 
- #include <limits.h>
- #include <unicode/timezone.h>
- 
-+using icu::TimeZone;
-+
- const long DAY_SEC =24 * 60 * 60;
- const long YEAR_SEC = 365 * DAY_SEC;
- const long FOURYEAR_SEC = 4 * YEAR_SEC + DAY_SEC;
---- a/opencl/source/openclconfig.cxx	
-+++ a/opencl/source/openclconfig.cxx	
-@@ -17,6 +17,8 @@ 
- #include <sal/log.hxx>
- #include <sal/types.h>
- 
-+using icu::RegexMatcher;
-+
- OpenCLConfig::OpenCLConfig() :
-     mbUseOpenCL(true)
- {
---- a/vcl/inc/scrptrun.h	
-+++ a/vcl/inc/scrptrun.h	
-@@ -45,6 +45,8 @@ 
- #include <unicode/uscript.h>
- #include <vector>
- 
-+using icu::UObject;
-+
- namespace vcl {
- 
- struct ParenStackEntry