fix: [v6.3] do not shutdown DB

fix: [image engine] fix image description tooltip

chg: [v6.1] add v6.1 update

fix: [ail updater] remove update between tags

chg: [v6.0] add v6.0 update script

chg: [qrcodes] daterange search: sort qrcode by content

chg: [tags search] search qrcode by tags

chg: [submodule] update

chg: [doc] add overview