diff --git a/debian/libfm-qt5.symbols b/debian/libfm-qt5.symbols
index 528bb3a..b543e75 100644
--- a/debian/libfm-qt5.symbols
+++ b/debian/libfm-qt5.symbols
@@ -1049,6 +1049,7 @@ libfm-qt.so.5 libfm-qt5 #MINVER#
  (c++)"Fm::uidFromName(QString)@Base" 0.10.0
  (c++)"Fm::uidToName(unsigned int)@Base" 0.10.0
  (c++)"Fm::uriExists(char const*)@Base" 0.10.0
+ (optional=gcc7|c++)"QMetaObject::Connection QObject::connect<void (QTimer::*)(QTimer::QPrivateSignal), void (Fm::FolderView::*)()>(QtPrivate::FunctionPointer<void (QTimer::*)(QTimer::QPrivateSignal)>::Object const*, void (QTimer::*)(QTimer::QPrivateSignal), QtPrivate::FunctionPointer<void (Fm::FolderView::*)()>::Object const*, void (Fm::FolderView::*)(), Qt::ConnectionType)@Base" 0.13.0~
  (c++)"non-virtual thunk to Fm::AppChooserComboBox::~AppChooserComboBox()@Base" 0.10.0
  (c++)"non-virtual thunk to Fm::AppChooserDialog::~AppChooserDialog()@Base" 0.10.0
  (c++)"non-virtual thunk to Fm::AppMenuView::~AppMenuView()@Base" 0.10.0
@@ -1074,6 +1075,7 @@ libfm-qt.so.5 libfm-qt5 #MINVER#
  (c++)"non-virtual thunk to Fm::ThumbnailJob::~ThumbnailJob()@Base" 0.12.0
  (c++|arch= !armel !armhf !i386 !mips !mipsel !hppa !hurd-i386 !kfreebsd-i386 !m68k !powerpc !sh4 !x32 )"std::_Hashtable<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const>, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::_M_find_before_node(unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned long) const@Base" 0.12.0
  (c++|arch= !amd64 !arm64 !mips64el !ppc64el !s390x !alpha !ia64 !kfreebsd-amd64 !ppc64 !riscv64 !sparc64 )"std::_Hashtable<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const>, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::_M_find_before_node(unsigned int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int) const@Base" 0.12.0
+ (optional=gcc7|c++)"std::_Hashtable<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const>, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::_M_insert_unique_node(unsigned long, unsigned long, std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> >, true>*)@Base" 0.13.0~
  (c++)"std::_Hashtable<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const>, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::clear()@Base" 0.12.0
  (optional=gcc8|c++|arch= !i386 )"std::_Hashtable<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const>, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::erase(std::__detail::_Node_const_iterator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> >, false, true>)@Base" 0.13.0~
  (c++)"std::_Hashtable<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Fm::FileInfo const> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const>, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::find(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@Base" 0.12.0
@@ -1202,9 +1204,11 @@ libfm-qt.so.5 libfm-qt5 #MINVER#
  (c++)"std::vector<Fm::DirTreeModelItem*, std::allocator<Fm::DirTreeModelItem*> >::_M_erase(__gnu_cxx::__normal_iterator<Fm::DirTreeModelItem**, std::vector<Fm::DirTreeModelItem*, std::allocator<Fm::DirTreeModelItem*> > >)@Base" 0.12.0
  (c++)"std::vector<Fm::FilePath, std::allocator<Fm::FilePath> >::_M_erase(__gnu_cxx::__normal_iterator<Fm::FilePath*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > >, __gnu_cxx::__normal_iterator<Fm::FilePath*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > >)@Base" 0.12.0
  (optional=gcc8|c++)"std::vector<Fm::FilePath, std::allocator<Fm::FilePath> >::reserve(unsigned long)@Base" 0.13.0~
+ (optional=gcc7|c++)"std::vector<Fm::FilePath, std::allocator<Fm::FilePath> >::insert(__gnu_cxx::__normal_iterator<Fm::FilePath const*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > >, Fm::FilePath const&)@Base" 0.13.0~
  (c++)"std::vector<std::shared_ptr<Fm::BookmarkItem const>, std::allocator<std::shared_ptr<Fm::BookmarkItem const> > >::_M_erase(__gnu_cxx::__normal_iterator<std::shared_ptr<Fm::BookmarkItem const>*, std::vector<std::shared_ptr<Fm::BookmarkItem const>, std::allocator<std::shared_ptr<Fm::BookmarkItem const> > > >)@Base" 0.12.0
  (c++)"std::vector<std::shared_ptr<Fm::BookmarkItem const>, std::allocator<std::shared_ptr<Fm::BookmarkItem const> > >::_M_insert_rval(__gnu_cxx::__normal_iterator<std::shared_ptr<Fm::BookmarkItem const> const*, std::vector<std::shared_ptr<Fm::BookmarkItem const>, std::allocator<std::shared_ptr<Fm::BookmarkItem const> > > >, std::shared_ptr<Fm::BookmarkItem const>&&)@Base" 0.12.0
  (c++)"std::vector<std::shared_ptr<Fm::FileInfo const>, std::allocator<std::shared_ptr<Fm::FileInfo const> > >::operator=(std::vector<std::shared_ptr<Fm::FileInfo const>, std::allocator<std::shared_ptr<Fm::FileInfo const> > > const&)@Base" 0.12.0
+ (optional=gcc7|c++)"std::vector<std::shared_ptr<Fm::FileInfo const>, std::allocator<std::shared_ptr<Fm::FileInfo const> > >::reserve(unsigned long)@Base" 0.13.0~
  (c++)"std::vector<std::shared_ptr<Fm::TemplateItem>, std::allocator<std::shared_ptr<Fm::TemplateItem> > >::_M_erase(__gnu_cxx::__normal_iterator<std::shared_ptr<Fm::TemplateItem>*, std::vector<std::shared_ptr<Fm::TemplateItem>, std::allocator<std::shared_ptr<Fm::TemplateItem> > > >, __gnu_cxx::__normal_iterator<std::shared_ptr<Fm::TemplateItem>*, std::vector<std::shared_ptr<Fm::TemplateItem>, std::allocator<std::shared_ptr<Fm::TemplateItem> > > >)@Base" 0.13.0~
  (c++)"std::vector<std::shared_ptr<Fm::Thumbnailer>, std::allocator<std::shared_ptr<Fm::Thumbnailer> > >::~vector()@Base" 0.12.0
  (c++)"std::vector<std::unique_ptr<Fm::Archiver, std::default_delete<Fm::Archiver> >, std::allocator<std::unique_ptr<Fm::Archiver, std::default_delete<Fm::Archiver> > > >::~vector()@Base" 0.13.0~
@@ -1401,6 +1405,7 @@ libfm-qt.so.5 libfm-qt5 #MINVER#
  (optional=gcc8|c++)"void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag)@Base" 0.13.0~
  (c++)"void std::vector<Fm::BrowseHistoryItem, std::allocator<Fm::BrowseHistoryItem> >::_M_realloc_insert<Fm::BrowseHistoryItem>(__gnu_cxx::__normal_iterator<Fm::BrowseHistoryItem*, std::vector<Fm::BrowseHistoryItem, std::allocator<Fm::BrowseHistoryItem> > >, Fm::BrowseHistoryItem&&)@Base" 0.12.0
  (optional=gcc8|c++)"void std::vector<Fm::DirTreeModelItem*, std::allocator<Fm::DirTreeModelItem*> >::emplace_back<Fm::DirTreeModelItem*>(Fm::DirTreeModelItem*&&)@Base" 0.13.0~
+ (optional=gcc7|c++)"void std::vector<Fm::DirTreeModelItem*, std::allocator<Fm::DirTreeModelItem*> >::_M_realloc_insert<Fm::DirTreeModelItem*>(__gnu_cxx::__normal_iterator<Fm::DirTreeModelItem**, std::vector<Fm::DirTreeModelItem*, std::allocator<Fm::DirTreeModelItem*> > >, Fm::DirTreeModelItem*&&)@Base" 0.13.0~
  (c++)"void std::vector<Fm::FilePath, std::allocator<Fm::FilePath> >::_M_range_insert<__gnu_cxx::__normal_iterator<Fm::FilePath const*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > > >(__gnu_cxx::__normal_iterator<Fm::FilePath*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > >, __gnu_cxx::__normal_iterator<Fm::FilePath const*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > >, __gnu_cxx::__normal_iterator<Fm::FilePath const*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > >, std::forward_iterator_tag)@Base" 0.12.0
  (c++)"void std::vector<Fm::FilePath, std::allocator<Fm::FilePath> >::_M_realloc_insert<Fm::FilePath const&>(__gnu_cxx::__normal_iterator<Fm::FilePath*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > >, Fm::FilePath const&)@Base" 0.12.0
  (c++)"void std::vector<Fm::FilePath, std::allocator<Fm::FilePath> >::_M_realloc_insert<Fm::FilePath&>(__gnu_cxx::__normal_iterator<Fm::FilePath*, std::vector<Fm::FilePath, std::allocator<Fm::FilePath> > >, Fm::FilePath&)@Base" 0.13.0~