Minecraft Snapshots 15w40a And 15w40b

Minecraft version 15w40a and 15w40b, new snapshots for Minecraft 1.9, have been released today.

Find all servers to these versions here : http://minecraft-mp.com/1.9/

Changes

• Many changes to mob pathfinding.
• Health regenerates depending on hunger bar. Now uses saturation to heal up, with the old regeneration mechanic.
• Some optimisations.

Fixes

7 issues fixed

From released versions before 1.9

• MC-65040 – Entities become invisible under certain conditions
• MC-68403 – Entities become invisible after death & respawn

From the 1.9 development versions

• MC-84537 – Signed written book doesn't open when in off hand
• MC-86946 – Pick block in survival on items that are not on the hotbar causes client/server desync
• MC-88847 – Upside-down stairs are messed up.
• MC-89602 – Minecart chests spewing out items

From the previous development version

• MC-89593 – The Void required for Adventuring Time

From 15w40a version

• MC-89642 – Server Failure login.
• MC-89643 – Cant connect to myserver

Source : https://mojang.com/2015/09/minecraft-snapshot-15w40a/