In addition to Ubuntu planning to drop 32-bit packages with their 19.10 release, the OpenMandriva development team is another high profile Linux distribution drafting plans to eliminate their 32-bit support.
OpenMandriva's plans to drop 32-bit are much more conservative than Canonical with planning for these changes by the October release of Ubuntu 19.10. In the case of OpenMandriva, they will gradually reduce their exposure to 32-bit in hopes of weening users to 64-bit where possible.
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Also: OpenMandriva Lx 4.0 released, here are the new features [3]