Minecraft wiki entry for Development_versions, associated text: MC-29498 – Villagers, exchanging 2 items for one, have their second required item in trade deleted after reloading the world.
MC-29748 – Fire aspect does not cause fire on any mob.
MC-30873 – Crash - Block Statistics: If player breaks a technical block, the statistics get corrupted.
MC-31619 – Item frames are self-lit.
MC-31649 – Beacon beam not showing.
MC-31686 – Custom mob names can't be seen through blocks.
MC-32008 – 13w38b leaves are lighter and cast a lot fewer shadows.
MC-32733 – Game is sending incorrect (additional?) frames to the video buffer.
MC-32762 – No logging to development console.
MC-33057 – Text is completely unreadable/invisible.