diff --git a/.gitignore b/.gitignore
index d0c7f1d..bf9c232 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ sane-backends-1.0.21.tar.gz
 /sane-backends-1.0.25.tar.gz
 /sane-backends-1.0.27.tar.gz
 /sane-backends-1.0.28.tar.gz
+/sane-backends-1.0.29.tar.gz
diff --git a/0001-genesys-Make-sure-calib_reg-are-available-before-wri.patch b/0001-genesys-Make-sure-calib_reg-are-available-before-wri.patch
deleted file mode 100644
index 4687a24..0000000
--- a/0001-genesys-Make-sure-calib_reg-are-available-before-wri.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff -up sane-backends-1.0.28/backend/genesys_gl841.cc.genesys-regression sane-backends-1.0.28/backend/genesys_gl841.cc
---- sane-backends-1.0.28/backend/genesys_gl841.cc.genesys-regression	2019-10-14 13:11:10.772763713 +0200
-+++ sane-backends-1.0.28/backend/genesys_gl841.cc	2019-10-14 13:11:57.602389188 +0200
-@@ -5042,6 +5042,9 @@ gl841_init (Genesys_Device * dev)
-   /* Set analog frontend */
-   RIE (gl841_set_fe(dev, sensor, AFE_INIT));
- 
-+    // FIXME: slow_back_home modifies dev->calib_reg and requires it to be filled
-+    dev->calib_reg = dev->reg;
-+
-   /* Move home */
-   RIE (gl841_slow_back_home (dev, SANE_TRUE));
- 
diff --git a/sane-backends.spec b/sane-backends.spec
index cf22a37..f37b9e0 100644
--- a/sane-backends.spec
+++ b/sane-backends.spec
@@ -1,45 +1,26 @@
 # let -devel require drivers to make them available as multilib
 %global needs_multilib_quirk 1
 
-%if !0%{?fedora}%{?rhel} || 0%{?fedora} >= 16 || 0%{?rhel} >= 7
 %global _hardened_build 1
-%endif
 
-%if !0%{?fedora}%{?rhel} || 0%{?fedora} >= 17 || 0%{?rhel} >= 7
-%global udevdir %{_prefix}/lib/udev
-%else
-%global udevdir /lib/udev
-%endif
-%global udevrulesdir %{udevdir}/rules.d
-%global udevhwdbdir %{udevdir}/hwdb.d
-
-%if !0%{?fedora}%{?rhel} || 0%{?fedora} >= 18 || 0%{?rhel} >= 7
 %global libusb1 1
-%else
-%global libusb1 0
-%endif
 
 %global __provides_exclude_from ^%{_libdir}/sane/.*\.so.*$
 %global __requires_exclude ^libsane-.*\.so\.[0-9]*(\(\).*)?+$
 
-%if ! 0%{?fedora}%{?rhel} || 0%{?fedora} >= 20 || 0%{?rhel} >= 8
 %global _maindocdir %{_docdir}/%{name}
 %global _docdocdir %{_docdir}/%{name}-doc
-%else
-%global _maindocdir %{_docdir}/%{name}-%{version}
-%global _docdocdir %{_docdir}/%{name}-doc-%{version}
-%endif
 
 Summary: Scanner access software
 Name: sane-backends
-Version: 1.0.28
-Release: 7%{?dist}
+Version: 1.0.29
+Release: 1%{?dist}
 # lib/ is LGPLv2+, backends are GPLv2+ with exceptions
 # Tools are GPLv2+, docs are public domain
 # see LICENSE for details
 License: GPLv2+ and GPLv2+ with exceptions and Public Domain and IJG and LGPLv2+ and MIT
 # Alioth Download URLs are amazing.
-Source0: https://gitlab.com/sane-project/backends/uploads/9e718daff347826f4cfe21126c8d5091/%{name}-%{version}.tar.gz
+Source0: https://gitlab.com/sane-project/backends/uploads/54f858b20a364fc35d820df935a86478/%{name}-%{version}.tar.gz
 Source1: sane.png
 Source2: saned.socket
 Source3: saned@.service.in
@@ -55,12 +36,9 @@ Patch1: sane-backends-1.0.23-soname.patch
 Patch2: sane-backends-1.0.23-sane-config-multilib.patch
 # saned manpage incomplete and exists when saned is not installed (#1515762)
 Patch3: sane-backends-saned-manpage.patch
-# several canoscan models did not work due genesys backend rewritten, taken from upstream
-Patch4: 0001-genesys-Make-sure-calib_reg-are-available-before-wri.patch
-# blacklist Samsung C460 for JPEG, #1760916
-Patch5: sane-xerox-mfp-blacklist-C460-for-JPEG.patch
-# glibcxx assert aborts genesys backend
-Patch6: sane-genesys-vector-glibcxxassert.patch
+# undeclared variable on s390x, from upstream
+# https://gitlab.com/sane-project/backends/-/merge_requests/329
+Patch4: sane-genesys-s390x-ftbfs.patch
 
 URL: http://www.sane-project.org
 
@@ -86,15 +64,17 @@ BuildRequires: systemd-devel
 BuildRequires: systemd
 # needed by macros in rpm scriptlets
 BuildRequires: systemd-rpm-macros
+# for escl backend
+BuildRequires: libcurl-devel
+BuildRequires: avahi-devel
+# for escl backend and USB I/O recording and replay
+BuildRequires: libxml2-devel
 Requires: libpng
 Requires: systemd >= 196
 Requires: systemd-udev >= 196
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-# Don't drag around obsoletes forever
-%if ! (0%{?fedora} >= 27 || 0%{?rhel} >= 8)
-Obsoletes: sane-backends < 1.0.25-3
-Conflicts: sane-backends < 1.0.25-3
-%endif
+# needed for escl backend
+Requires: avahi-libs
 
 %description
 Scanner Access Now Easy (SANE) is a universal scanner interface.  The
@@ -106,10 +86,6 @@ hand-held scanner, video and still cameras, frame-grabbers, etc.).
 Summary: SANE backends documentation
 BuildArch: noarch
 # Don't drag around obsoletes forever
-%if 0%{?fedora}%{?rhel} && (0%{?fedora} < 25 || 0%{?rhel} <= 8)
-Obsoletes: sane-backends < 1.0.23-10
-Conflicts: sane-backends < 1.0.23-10
-%endif
 
 %description doc
 This package contains documentation for SANE backends.
@@ -149,13 +125,6 @@ Easy (SANE) modules.
 Summary: SANE backend drivers for scanners
 Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-# Don't drag around obsoletes forever
-%if 0%{?rhel} && 0%{?rhel} < 8
-Obsoletes: sane-backends < 1.0.22-4
-Obsoletes: sane-backends-libs < 1.0.22-4
-Conflicts: sane-backends < 1.0.22-4
-Conflicts: sane-backends-libs < 1.0.22-4
-%endif
 
 %description drivers-scanners
 This package contains backend drivers to access scanner hardware through SANE.
@@ -164,13 +133,6 @@ This package contains backend drivers to access scanner hardware through SANE.
 Summary: Scanner backend drivers for digital cameras
 Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-# Don't drag around obsoletes forever
-%if 0%{?rhel} && 0%{?rhel} < 8
-Obsoletes: sane-backends-libs-gphoto2 < 1.0.22-4
-Conflicts: sane-backends-libs-gphoto2 < 1.0.22-4
-Provides: sane-libs-gphoto2 = %{?epoch:%{epoch}:}%{version}-%{release}
-Provides: sane-libs-gphoto2%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-%endif
 
 %description drivers-cameras
 This package contains backend drivers to access digital cameras through SANE.
@@ -180,12 +142,6 @@ Summary: Scanner network daemon
 Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires(pre): shadow-utils
-%{?systemd_requires}
-# Split off saned from 1.0.25-3 on, don't drag around obsoletes forever
-%if ! (0%{?fedora} >= 27 || 0%{?rhel} >= 8)
-Obsoletes: sane-backends < 1.0.25-3
-Conflicts: sane-backends < 1.0.25-3
-%endif
 
 %description daemon
 This package contains saned which is the daemon that allows remote clients to
@@ -198,9 +154,7 @@ access image acquisition devices available on the local host.
 %patch1 -p1 -b .soname
 %patch2 -p1 -b .sane-config-multilib
 %patch3 -p1 -b .saned-manpage
-%patch4 -p1 -b .genesys-regression
-%patch5 -p1 -b .c460-blacklist-for-jpeg
-%patch6 -p1 -b .genesys-vector-assert
+%patch4 -p1 -b .genesys-s390x-ftbfs
 
 %build
 CFLAGS="%optflags -fno-strict-aliasing"
@@ -218,7 +172,9 @@ LDFLAGS="-pie"
 %if %libusb1
     --with-usb \
 %endif
-    --enable-pthread
+    --enable-pthread \
+    --enable-avahi \
+    --with-libcurl
 make %{?_smp_mflags}
 
 # Write udev/hwdb files
@@ -239,11 +195,11 @@ rm -f %{buildroot}%{_mandir}/man1/gamma4scanimage.1*
 rm -f %{buildroot}%{_libdir}/sane/*.a %{buildroot}%{_libdir}/*.a
 rm -f %{buildroot}%{_libdir}/libsane*.la %{buildroot}%{_libdir}/sane/*.la
 
-mkdir -p %{buildroot}%{udevrulesdir}
-mkdir -p %{buildroot}%{udevhwdbdir}
-install -m 0644 tools/udev/sane-backends.rules %{buildroot}%{udevrulesdir}/65-sane-backends.rules
-install -m 0644 tools/udev/sane-backends.hwdb %{buildroot}%{udevhwdbdir}/20-sane-backends.hwdb
-install -m 0644 %{SOURCE5} %{buildroot}%{udevrulesdir}/66-saned.rules
+mkdir -p %{buildroot}%{_udevrulesdir}
+mkdir -p %{buildroot}%{_udevhwdbdir}
+install -m 0644 tools/udev/sane-backends.rules %{buildroot}%{_udevrulesdir}/65-sane-backends.rules
+install -m 0644 tools/udev/sane-backends.hwdb %{buildroot}%{_udevhwdbdir}/20-sane-backends.hwdb
+install -m 0644 %{SOURCE5} %{buildroot}%{_udevrulesdir}/66-saned.rules
 
 mkdir -p %{buildroot}%{_libdir}/pkgconfig
 install -m 0644 tools/sane-backends.pc %{buildroot}%{_libdir}/pkgconfig/
@@ -313,8 +269,8 @@ exit 0
 %dir /etc/sane.d
 %dir /etc/sane.d/dll.d
 %config(noreplace) /etc/sane.d/*.conf
-%{udevrulesdir}/65-sane-backends.rules
-%{udevhwdbdir}/20-sane-backends.hwdb
+%{_udevrulesdir}/65-sane-backends.rules
+%{_udevhwdbdir}/20-sane-backends.hwdb
 %{_datadir}/pixmaps/sane.png
 
 %{_bindir}/sane-find-scanner
@@ -333,7 +289,7 @@ exit 0
 
 %files libs
 %{_libdir}/libsane.so.1
-%{_libdir}/libsane.so.1.0.28
+%{_libdir}/libsane.so.1.0.29
 
 %files devel
 %{_bindir}/sane-config
@@ -373,6 +329,7 @@ exit 0
 %{_libdir}/sane/libsane-epson.so
 %{_libdir}/sane/libsane-epson2.so
 %{_libdir}/sane/libsane-epsonds.so
+%{_libdir}/sane/libsane-escl.so
 %{_libdir}/sane/libsane-fujitsu.so
 %{_libdir}/sane/libsane-genesys.so
 %{_libdir}/sane/libsane-gt68xx.so
@@ -417,7 +374,9 @@ exit 0
 # armv7hl (until F30), i686 and x86_64 architectures.
 # Because qcam is missing on some archs and releases,
 # I'll leave here a wildcard record
-%{_libdir}/sane/*.so
+%ifarch x86_64 i686
+%{_libdir}/sane/libsane-qcam.so
+%endif
 %{_libdir}/sane/libsane-ricoh.so
 %{_libdir}/sane/libsane-ricoh2.so
 %{_libdir}/sane/libsane-rts8891.so
@@ -442,23 +401,26 @@ exit 0
 %{_libdir}/sane/libsane-v4l.so
 %{_libdir}/sane/libsane-xerox_mfp.so
 %{_libdir}/sane/*.so.1
-%{_libdir}/sane/*.so.1.0.28
+%{_libdir}/sane/*.so.1.0.29
 
 %exclude %{_libdir}/sane/*gphoto2.so*
 
 %files drivers-cameras
 %{_libdir}/sane/libsane-gphoto2.so
 %{_libdir}/sane/libsane-gphoto2.so.1
-%{_libdir}/sane/libsane-gphoto2.so.1.0.28
+%{_libdir}/sane/libsane-gphoto2.so.1.0.29
 
 %files daemon
 %{_sbindir}/saned
 %{_mandir}/man8/saned*
-%{udevrulesdir}/66-saned.rules
+%{_udevrulesdir}/66-saned.rules
 %{_unitdir}/saned.socket
 %{_unitdir}/saned@.service
 
 %changelog
+* Mon Feb 03 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-1
+- 1.0.29
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.28-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 
diff --git a/sane-genesys-s390x-ftbfs.patch b/sane-genesys-s390x-ftbfs.patch
new file mode 100644
index 0000000..407e52d
--- /dev/null
+++ b/sane-genesys-s390x-ftbfs.patch
@@ -0,0 +1,13 @@
+diff --git a/backend/genesys/low.cpp b/backend/genesys/low.cpp
+index 7937fcc..4020456 100644
+--- a/backend/genesys/low.cpp
++++ b/backend/genesys/low.cpp
+@@ -539,7 +539,7 @@ Image read_unshuffled_image_from_scanner(Genesys_Device* dev, const ScanSession&
+     }
+ 
+ #ifdef WORDS_BIGENDIAN
+-    if (depth == 16) {
++    if (session.params.depth == 16) {
+         dev->pipeline.push_node<ImagePipelineNodeSwap16BitEndian>();
+     }
+ #endif
diff --git a/sane-genesys-vector-glibcxxassert.patch b/sane-genesys-vector-glibcxxassert.patch
deleted file mode 100644
index 2825e89..0000000
--- a/sane-genesys-vector-glibcxxassert.patch
+++ /dev/null
@@ -1,17 +0,0 @@
-diff --git a/backend/genesys.cc b/backend/genesys.cc
-index 0368e21..5ec37bc 100644
---- a/backend/genesys.cc
-+++ b/backend/genesys.cc
-@@ -778,6 +778,12 @@ void sanei_genesys_create_default_gamma_table(Genesys_Device* dev,
-             size = 4096;
-         }
-         max = size - 1;
-+    } else if (dev->model->asic_type == GENESYS_GL846
-+               || dev->model->asic_type == GENESYS_GL847
-+               || dev->model->asic_type == GENESYS_GL848
-+               || dev->model->asic_type == GENESYS_GL124) {
-+        size = 257;
-+        max = 65535;
-     } else {
-         size = 256;
-         max = 65535;
diff --git a/sane-xerox-mfp-blacklist-C460-for-JPEG.patch b/sane-xerox-mfp-blacklist-C460-for-JPEG.patch
deleted file mode 100644
index 401a4a7..0000000
--- a/sane-xerox-mfp-blacklist-C460-for-JPEG.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/backend/xerox_mfp.c b/backend/xerox_mfp.c
-index b7fcbee..2cb73ee 100644
---- a/backend/xerox_mfp.c
-+++ b/backend/xerox_mfp.c
-@@ -209,6 +209,7 @@ static int isSupportedDevice(struct device __sane_unused__ *dev)
-     if (dev->compressionTypes & (1 << 6)) {
- 	/* blacklist malfunctioning device(s) */
- 	if (!strncmp(dev->sane.model, "SCX-4500W", 9) ||
-+            !strncmp(dev->sane.model, "C460", 4) ||
- 	    !strncmp(dev->sane.model, "M288x", 5))
- 	    return 0;
-         return 1;
diff --git a/sources b/sources
index e9cc2b1..2d1a38a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (sane-backends-1.0.28.tar.gz) = 84607739cea28c31f9a2f21df583c3d9f3ad1e7e87ad54fb8af8103450b22d2de6cf1670563eaa8310750491f840b377a2ca42c5eaee45aaec500a0a6792b3af
+SHA512 (sane-backends-1.0.29.tar.gz) = 9ee431b0c048119719e15905f8743c7a0fd8bc6fcee81d75df8459a989cab7e39bf045518976713a7e1d94c816dd1a1e0fa190612d815c0ddb6a51d2abf3fd54