diff --git a/sources b/sources
index 76e7d22..a502e21 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ugene-free-53.0.tar.gz) = 233c857d9a0ea42005efaa53e5ba5162e76a149f01d7406a73bd9215b96c096b3c379cc3b14c7d7b83c61df5ea2435412f6d43c71aef84b23d1d683d5a172b30
+SHA512 (ugene-free-20260112T1631.tar.gz) = d5f0781caf63ee18f0645d067320191f72f1e06194de76db01268546db745eac80dae063c17b155ce5b74603e3aa4d6f85af165d36e22e380783e8f179e4762f
diff --git a/ugene-52.1.x-QObject-connect-overload.patch b/ugene-52.1.x-QObject-connect-overload.patch
new file mode 100644
index 0000000..683949c
--- /dev/null
+++ b/ugene-52.1.x-QObject-connect-overload.patch
@@ -0,0 +1,26 @@
+diff --git a/src/corelibs/U2Gui/src/util/RegionSelectorController.cpp b/src/corelibs/U2Gui/src/util/RegionSelectorController.cpp
+index 0b7076cf5..d5f6b7304 100644
+--- a/src/corelibs/U2Gui/src/util/RegionSelectorController.cpp
++++ b/src/corelibs/U2Gui/src/util/RegionSelectorController.cpp
+@@ -337,7 +337,7 @@ void RegionSelectorController::connectSlots() {
+ 
+     connect(gui.startLineEdit, &QLineEdit::textEdited, this, &RegionSelectorController::sl_onRegionChanged);
+     connect(gui.endLineEdit, &QLineEdit::textEdited, this, &RegionSelectorController::sl_onRegionChanged);
+-    connect(gui.presetsComboBox, &QComboBox::activated, this, &RegionSelectorController::sl_onPresetChanged);
++    connect(gui.presetsComboBox, QOverload<int>::of(&QComboBox::activated), this, &RegionSelectorController::sl_onPresetChanged);
+ 
+     if (settings.selection != nullptr) {
+         connect(settings.selection, SIGNAL(si_onSelectionChanged(GSelection*)), SLOT(sl_onSelectionChanged(GSelection*)));
+diff --git a/src/corelibs/U2View/src/ov_sequence/find_pattern/FindPatternWidget.cpp b/src/corelibs/U2View/src/ov_sequence/find_pattern/FindPatternWidget.cpp
+index 531d21d1d..89a2314b4 100644
+--- a/src/corelibs/U2View/src/ov_sequence/find_pattern/FindPatternWidget.cpp
++++ b/src/corelibs/U2View/src/ov_sequence/find_pattern/FindPatternWidget.cpp
+@@ -485,7 +485,7 @@ void FindPatternWidget::connectSlots() {
+     connect(annotatedDnaView->getActiveSequenceContext()->getSequenceObject(), SIGNAL(si_sequenceChanged()), this, SLOT(sl_onSequenceModified()));
+ 
+     connect(loadFromFileToolButton, SIGNAL(clicked()), SLOT(sl_onFileSelectorClicked()));
+-    connect(patternSelectorBG, &QButtonGroup::buttonToggled, this, &FindPatternWidget::sl_onFileSelectorToggled);
++    connect(patternSelectorBG, QOverload<QAbstractButton*, bool>::of(&QButtonGroup::buttonToggled), this, &FindPatternWidget::sl_onFileSelectorToggled);
+ 
+     usePatternFromTextEditRadioButton->setChecked(true);
+     updatePatternSourceControlsUiState();
diff --git a/ugene-52.1.x-RegionSelectorController-overload.patch b/ugene-52.1.x-RegionSelectorController-overload.patch
deleted file mode 100644
index ebc5ad2..0000000
--- a/ugene-52.1.x-RegionSelectorController-overload.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/src/corelibs/U2Gui/src/util/RegionSelectorController.cpp b/src/corelibs/U2Gui/src/util/RegionSelectorController.cpp
-index f052b9122..d0fdfeb0d 100644
---- a/src/corelibs/U2Gui/src/util/RegionSelectorController.cpp
-+++ b/src/corelibs/U2Gui/src/util/RegionSelectorController.cpp
-@@ -339,7 +339,7 @@ void RegionSelectorController::connectSlots() {
- 
-     connect(gui.startLineEdit, &QLineEdit::textEdited, this, &RegionSelectorController::sl_onRegionChanged);
-     connect(gui.endLineEdit, &QLineEdit::textEdited, this, &RegionSelectorController::sl_onRegionChanged);
--    connect(gui.presetsComboBox, &QComboBox::activated, this, &RegionSelectorController::sl_onPresetChanged);
-+    connect(gui.presetsComboBox, QOverload<int>::of(&QComboBox::activated), this, &RegionSelectorController::sl_onPresetChanged);
- 
-     if (settings.selection != nullptr) {
-         connect(settings.selection, SIGNAL(si_onSelectionChanged(GSelection*)), SLOT(sl_onSelectionChanged(GSelection*)));
diff --git a/ugene.spec b/ugene.spec
index 7390734..6c9efac 100644
--- a/ugene.spec
+++ b/ugene.spec
@@ -2,10 +2,10 @@
 
 %if 0%{?use_release_branch} < 1
 # master
-%global	gitdate		20251211
-%global	gitcommit		b50ca792f254939978f0ffd3126e3d9ab770a10a
+%global	gitdate		20251230
+%global	gitcommit		71bdfafe45ac07c04c40ee7bb90456f96b3d8bbc
 # New git commit with non-free part removed using "git filter-branch"
-%global	gitcommit_free		7e674061492924b3dfbc884c4c9503ecab9887b2
+%global	gitcommit_free		0a64d3f2396f1924ef932aed51a50b221e68a88d
 %else
 # currently 41.0 branch
 %global	gitdate		20250313
@@ -18,11 +18,11 @@
 %global	shortcommit	%(c=%{gitcommit}; echo ${c:0:7})
 %global	git_version	%{gitdate}git%{shortcommit}
 
-%global	tarballdate	20251211
-%global	tarballtime	2210
+%global	tarballdate	20260112
+%global	tarballtime	1631
 
-%global	use_release	1
-%global	use_gitbare	0
+%global	use_release	0
+%global	use_gitbare	1
 
 %if	0%{?use_gitbare} < 1
 # force
@@ -72,7 +72,7 @@ Source2:	create-%{name}-git-bare-tarball.sh
 # This is not installed
 Source10:	ugene.wrapper
 Patch1:	ugene-49.1-narrowing-for-unsigned-char.patch
-Patch3:	ugene-52.1.x-RegionSelectorController-overload.patch
+Patch3:	ugene-52.1.x-QObject-connect-overload.patch
 # Currently distro-specific
 Patch102:	ugene-44.x-libs_3rdparty-breakpad-sys_mmap_use_system_mmap.patch
 Patch103:	ugene-40.1-libs_3rdparty-breakpad-unwind-nonsupported-arch.patch