Update 18W16A

Developers are getting closer to the official update and are now starting to fix minor details and bugs.

Changes in 18W16A

A new world type for Minecraft PE: Buffet
Coral fans can now generate on their own
Drowned can now be found in ruins as well
The turtle helmet no longer has a particle effect
The turtle helmet no longer grants invincibility
Blue ice now slides much less, but is still quite slippery!
Water now immediately becomes a source block instead of flowing into it first
The temperature system in oceans has been revamped for smoother transitions between waters
“Silk Touch” is now required to harvest coral blocks
Particle effects for the Sea Lantern have been modified
Optimized player location search code in Minecraft PE
Technical fix: distinction introduced between “liquid ticks” and “block ticks”
Technical fix: corals now have their own tags

You can choose anything you like!

Due to popular demand, we have reintroduced the option to generate a world with a single biome
You can select the Buffet world type in the settings of Minecraft PE
As a bonus, there’s now an option to change chunk generation types
Stay alert! More changes may come

MC-18903 – The right-hand textures for villagers and witches were flipped compared to other mobs Minecraft PE
MC-83064 – Fall damage does not reset when levitation is activated
MC-90591 – Camera abruptly shifts position when using elytra instead of moving smoothly
MC-125251 – Strong turtle potion makes players invincible
MC-125280 – Bubble columns can be pushed by pistons
MC-125297 – Moving blocks that obstruct water do not allow water to pass through
MC-125329 – Sprinting underwater in creative mode turns into flying
MC-125356 – Turtle potion effect particles significantly disrupt gameplay
MC-125460 – Only the top part of a block can be captured, making two-block-high seagrass uncollectible
MC-125647 – Underwater time does not end at 300 seconds; an extra bubble appears
MC-125671 – Swimming animation can trigger while riding horses
MC-125770 – Bubble columns do not appear when water spills over magma
MC-125895 – User drowns when trying to surface in a bubble column area
MC-126086 – Salmon and tropical fish touch zones were incorrectly generated
MC-126104 – Dispenser cannot use fish
MC-126167 – Fish spawn eggs were positioned incorrectly in inventories
MC-126304 – Water buckets could catch fish
MC-126930 – Sponges do not absorb flowing water
MC-128233 – Lava is incorrectly colored
MC-128248 – Bottom part of water is incorrectly colored