Illuminant Columns
3 block tall lamp post style lights, useful for streets
1.14 Waterlogged lamps.
All non full block lamps can now be waterlogged.
Recipes
This is the majority of the recipes, all recipes are also listed in JEI
Light bulbs work perfectly as fence lights.
Redstone reactive full block lamps, Normal(Left), Inverted(Right)
Full block lamps are redstone reactive. The lamps on the left are normal(Activated by redstone) The lamps on the right are inverted(Deactivated by redstone) They can be converted between them shapelessly by throwing them in a crafting grid.
Lightbulb/Edge-light/Fixture
This image depicts the Floor edge lights, the light-bulbs(seen on the left), the Illuminant Fixtures(seen on the right and ceiling)
1.14 Waterlogged lamps in a pool.
Slab lamps, and panel lamps
Slabs and panels can be placed in any direction, useful for making inset lights, hanging lights, etc.