diff --git a/jd.spec b/jd.spec
index ba33ca3..954faaa 100644
--- a/jd.spec
+++ b/jd.spec
@@ -11,19 +11,19 @@
 ##########################################
 # Defined by upsteam
 #
-%define         main_ver      0.15.0
+%define         main_ver      0.12.0
 #%%define         strtag        20200118
-%dnl %define         pre_ver       beta
+#%%define         pre_ver       beta
 ##########################################
 #
 %global         reponame      JDim
-%global         gitdate       20260110
-%global         gitcommit     95c8d64c60e607aebb9097b9dd4b865670b1844c
-%dnl %global         gitcommit     JDim-v%{main_ver}
+%global         gitdate       20240706
+%global         gitcommit     15db3a9077847b5688db67dcdfa7f7bd38f92128
+#%%global         gitcommit     JDim-v%{main_ver}
 %global         shortcommit   %(c=%{gitcommit}; echo ${c:0:7})
 
-%global         tarballdate   20260110
-%global         tarballtime   2319
+%global         tarballdate   20240707
+%global         tarballtime   1109
 
 ##########################################
 # Defined by vendor
@@ -33,6 +33,7 @@
 # Tag name changed from vendor to vendorname so as not to
 # overwrite Vendor entry in Summary
 %define         vendorname    fedora
+%define         gtkmmdevel    pkgconfig(gtkmm-3.0)
 %define         fontpackage   mona-fonts-VLGothic
 ##########################################
 
@@ -79,16 +80,15 @@ Version:        %{main_ver}%{?strtag:.%{strtag}}%{?pre_ver:~%{pre_ver}}%{gitver_
 Release:        1%{?dist}%{flagrel}
 Summary:        A 2ch browser
 
-# Automatically converted from old format: GPLv2 - review is highly recommended.
-License:        GPL-2.0-only
+License:        GPLv2
 URL:            https://github.com/JDimproved/JDim
 
-%dnl Source0:        http://dl.sourceforge.jp/jd4linux/%{repoid}/%{name}-%{main_ver}-%{strtag}.tgz
+#Source0:        http://dl.sourceforge.jp/jd4linux/%{repoid}/%{name}-%{main_ver}-%{strtag}.tgz
 Source0:        JDim-%{tarballdate}T%{tarballtime}.tar.gz
 Source1:        create-JD-git-bare-tarball.sh
 
 BuildRequires:  gcc-c++
-BuildRequires:  pkgconfig(gtkmm-3.0)
+BuildRequires:  %{gtkmmdevel}
 BuildRequires:  libgcrypt-devel
 BuildRequires:  libxcrypt-devel
 BuildRequires:  pkgconfig(alsa)
@@ -162,6 +162,12 @@ export LDFLAGS="$LDFLAGS -Wl,--push-state,--no-as-needed -lcrypt -Wl,--pop-state
 export CC="${CC} -fsanitize=address -fsanitize=undefined"
 export CXX="${CXX} -fsanitize=address -fsanitize=undefined"
 export LDFLAGS="${LDFLAGS} -pthread"
+
+# Currently -fPIE binary cannot work with ASAN on kernel 4.12
+# https://github.com/google/sanitizers/issues/837
+export CFLAGS="$(echo $CFLAGS     | sed -e 's|-specs=[^ \t][^ \t]*hardened[^ \t][^ \t]*||g')"
+export CXXFLAGS="$(echo $CXXFLAGS | sed -e 's|-specs=[^ \t][^ \t]*hardened[^ \t][^ \t]*||g')"
+export LDFLAGS="$(echo $LDFLAGS   | sed -e 's|-specs=[^ \t][^ \t]*hardened[^ \t][^ \t]*||g')"
 %endif
 
 %meson \
@@ -211,27 +217,6 @@ export ASAN_OPTIONS=detect_leaks=0
 %{_datadir}/icons/hicolor/*/apps/jdim.*
 
 %changelog
-* Sat Jan 10 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1:0.15.0-1
-- 0.15.0
-
-* Sun Jul 27 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1:0.14.0-1
-- 0.14.0
-
-* Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.13.0-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Fri Jan 17 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.13.0-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Sat Jan 11 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1:0.13.0-1
-- 0.13.0
-
-* Mon Jul 29 2024 Miroslav Suchý <msuchy@redhat.com> - 1:0.12.0-3
-- convert license to SPDX
-
-* Thu Jul 18 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.12.0-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
-
 * Sun Jul 07 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1:0.12.0-1
 - 0.12.0
 
diff --git a/sources b/sources
index 9728c56..6cfc258 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (JDim-20260110T2319.tar.gz) = c51355599dddc8794f0c7975a8f4db15879f4a4a99771493469a42927d43f1619b8ef02a70d7e492ea61cbc93c1b00232ec09fe59f5c10c1460dde06c8d84b2c
+SHA512 (JDim-20240707T1109.tar.gz) = d192f4c31e9647c9067fb8c19a10a6c21fc640e19d59a303d88a7379cbb514827f929fef145d5376f7e156514424412b8744bf8689337590d103448a0fa03053