This playtest package was the same as the package released on 2013-04-01, but four Bestiaries containing conversions of creatures from the S-series modules were added to the pack.
This playtest packet included:
Playtest Packet (2013-04-11)
D&D Next Playtest Update ("Read First", 3 pages)
How to Play (25 pages)
Creating a Character (5 pages)
Classes (49 pages)
Races (8 pages)
Backgrounds and Skills (6 pages)
Specialties and Feats (14 pages)
Spells (50 pages)
Equipment (11 pages)
DM Guidelines (23 pages)
Bestiary (91 pages)
Magic Items (31 pages)
Character sheet (not updated, 2 pages)
Dungeon Module B2: The Caves of Chaos (not updated, 23 pages)
Dungeon Adventure X1: The Isle of Dread (not updated, 44 pages)
Reclaiming Blingdenstone (not updated, 40 pages)
The Mud Sorcerer's Tomb (not updated, 34 pages)
Conversion Notes: Against the Cult of Chaos (not updated, 19 pages)
Conversion Notes: Storm over Neverwinter (21 pages)
Mines of Madness (47 pages)
Pre-gen: Dwarf Fighter (1 page)
Pre-gen: Dwarf Paladin (2 pages)
Pre-gen: Elf Ranger (2 pages)
Pre-gen: Elf Wizard (2 pages)
Pre-gen: Halfling Rogue (1 page)
Pre-gen: Human Cleric (2 pages)
D&D Next Bestiary for Module S1: Tomb of Horrors (7 pages)
D&D Next Bestiary for Module S2: White Plume Mountain (14 pages)
D&D Next Bestiary for Module S3: Expedition to the Barrier Peaks (27 pages)
D&D Next Bestiary for Module S4: The Lost Caverns of Tsojcanth (41 pages)