It has become common practice for manufacturers to support their high-end lines, or release updates for current generations only. Motorola, on the other hand, has had an exemplary track record, and is updating flagships and budget devices alike, both new and old. It could be argued that the company has it easy, because of its choice to stick close to stock Android, while heavier overlays undeniably require more time-consuming work.
We recently informed you of the Lollipop updates rolling out for the Moto E and Moto Maxx. However, if you own a different Motorola smartphone, you can refer to our earlier article for the complete list of planned upgrades.