LibreOffice 6.2 will be released in February 2019, will give up support for Linux 32-bit

The second major update to the LibreOffice 6 series LibreOffice 6.2 is expected to be available in early February. It may be the first build to no more extended support 32-bit Linux. This means that the 32-bit version of LibreOffice will no longer be available on the Linux platform.
LibreOffice
However the Documentation Foundation has not officially announced that LibreOffice will depreciate the 32-bit version, the current version is still available as a DEB and RPM file to 32-bit Linux systems.

In addition to deprecating the Linux x86 (32-bit) version, the Documentation Foundation also decided to deprecate the KDE4 and GTK+2 VCL (Visual Component Library) backends, which will be removed from the LibreOffice 6.2 release.
LibreOffice 6.2 is expected to bring a host of new features and improvements, including better import and export of PPTX and PPT documents, better animation rendering, essential accessibility to the KDE Plasma 5 desktop environment, and support for Writer, Calc, Impress and Draw’s various enhancements.