I just want to add, in kubuntu plasma the problem does not exist. Each libreoffice application (writer, impress, calc, draw) is associated with its icon in the panel.
lsb_release -d Description: Ubuntu 18.10 snap --version snap 2.37.4+18.10.1 snapd 2.37.4+18.10.1 series 16 ubuntu 18.10 kernel 4.18.0-16-generic name: libreoffice summary: LibreOffice is a powerful office suite including word processing and creation of spreadsheets, slideshows and databases publisher: Canonical✓ contact: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bugs?field.tag=snap license: unset description: | LibreOffice is a powerful office suite – its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity. LibreOffice includes several applications that make it the most powerful Free and Open Source office suite on the market: Writer (word processing), Calc (spreadsheets), Impress (presentations), Draw (vector graphics and flowcharts), Base (databases), and Math (formula editing). commands: - libreoffice.base - libreoffice.calc - libreoffice.draw - libreoffice.filebug - libreoffice.impress - libreoffice - libreoffice.math - libreoffice.writer snap-id: CpUkI0qPIIBVRsjy49adNq4D6Ra72y4v tracking: stable refresh-date: 12 days ago, at 16:13 -03 channels: stable: 6.2.1.2 2019-03-10 (106) 507MB - candidate: 6.2.2.2 2019-03-25 (110) 506MB - beta: 6.2.0.3 2019-01-31 (103) 505MB - edge: ↑ installed: 6.2.1.2 (106) 507MB - ** Attachment added: "Screenshot_20190326_212843.png" https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1749590/+attachment/5249588/+files/Screenshot_20190326_212843.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1749590 Title: [snap] All open windows are grouped under one single icon in the dock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1749590/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs