From BlenderWiki

Modeling: Separated Mesh editing into a new section. Reorganized mesh tools by category of operation, rather than by component. Separated Retopo and Snapping. Combined meta objects and meta editing. Renamed several pages.

Modifiers and Deformation

Introduction: Introduction to Modifiers; Modifiers Stack

Deform: Armature; Cast; Curve; Lattice; Mesh Deform; Shrinkwrap; Simple Deform; Warp; Wave

Mesh: Bevel; Booleans; Decimate; Displace; EdgeSplit; Explode; Hooks; Mask; Mirror; Screw; Smooth; Solidify; Subsurf; MultiResolution; Skin

Objects: Array; Particle Instance

Animation: Build

Textures: UV Project

Simulation: Cloth; Collision; Fluid; Particle System; Smoke; Soft Body

Rigging

Introduction: Introduction to Rigging

Armatures: Armature Objects; Armature Panel; Bones; Visualization; Structure; Selecting

Editing Armatures: Editing; Bones; Properties; Sketching; Templating

Skinning: Introduction; Linking Objects to Bones; Skinning to Objects' Shapes; Retargeting

Posing: Introduction; Visualization; Editing Poses; Pose Library; Using Constraints; Inverse Kinematics

Constraints

Introduction: Introduction to Constraints; Common Interface; Constraint Stack

Transform Constraints: Copy Location; Copy Rotation; Copy Scale; Copy Transforms; Limit Distance; Limit Location; Limit Rotation; Limit Scale; Maintain Volume; Transformation

Tracking Constraints: Clamp To; Damped Track; Inverse Kinematics; Locked Track; Spline IK; Stretch To; Track To

Relationship Constraints: Action; Child Of; Floor; Follow Path; Pivot; Rigid Body Joint; Script; Shrinkwrap

Animation

Introduction: Introduction to Animation

Basics: Keyframes; Animation Editors

The Timeline: Using The Timeline; Markers; Keying Sets

The Graph Editor: Using the Graph Editor; Editing F-Curves; F-Curve Modifiers; Drivers

The Dope Sheet: Using the Dope Sheet

The Action Editor: Actions; Creating Actions

Non Linear Animation: Non Linear Animation; Using the NLA Editor; Strip Modifiers

Animation Techniques

Animation Techniques

Animating Objects

Constraints

Moving Objects on a Path

Changing Object Layers

Game Engine Physics Recording

Character Animation

Animating Armatures

Stride

Motion Capture

Animating Deformation

Methods of deformation

Shape Keys

Creating Shape Keys

Animating Shape Keys

Absolute Shape Keys

Driven Shape Keys

Deforming by a Lattice

Deforming with Hooks

Animation: Reorganized to reflect new animation system. Added missing pages. Moved Advanced Animation Chapter pages here.

Physical Simulation

Introduction: Introduction to Physics

Particles

Dynamics: Force Fields; Collisions

Soft Body: Introduction; Exterior forces; Interior forces; Collisions; Simple Examples; Combination with armatures

Cloth Simulation: Introduction; Cloth Simulation

Rigid Body: Rigid Bodies

Fluids: Fluid Simulation; Smoke

Physics: Organized Particle section. Separated sections into new categories. Added pages on particle physics types, chaches, and Hair tools.

Materials

Introduction: Introduction to Shading

Usage: Assigning a material; Material Properties; Material Preview; Multiple Materials

Properties: Diffuse Shaders; Specular Shaders; Ambient Light Effect; Color Ramps; Raytraced Reflections; Raytraced Transparency; Subsurface Scattering (SSS); Strands; Volume Materials

Node Materials: Node Materials; Using the Node Editor

Material Node Types: Material Node Types; Input and output; Color; Vector; Convertor; Dynamic

Vertex Paint: Using Vertex Paint

Halos: Halos

Materials: Added pages on Node Materials, and Volume materials.

Textures

Introduction: Introduction to Textures

Creating Textures

Texture Types: Procedural Textures; Image and Video Textures; Environment Maps; Volume Textures; Texture Plugins

UV Mapping: UV Unwrapping Explained; Unwrapping a Mesh; Editing the UV Layout; Managing the UV Layout; Applying an Image

Texture Painting: Painting the Texture; Projection Paint; Re-Projecting the texture see here

Node Textures: Using Texture Nodes

Texture Node Types: Texture Node Types; Input and Output; Color; Patterns; Textures; Convertor; Distort

Textures: Separated UV pages into a UV section and texture painting section. Added volume texture page and node texture pages.

Lighting

Introduction: Introduction to Lighting

Lights: Introduction; Light Properties; Light Attenuation; Light Textures; What Light Affects; Lights In Other Contexts

Shadows: Introduction; Shadow Properties; Raytraced Shadow Properties

Lamps

Volumetric Lights: Introduction

Lighting: Moved lamp raytrace shadow pages into main lamp pages. Removed exposure page.

World and Environment Effects

Introduction: Introduction; Sky and Background

Environment Lighting and Shading: Introduction; Ambient Light?; Ambient Occlusion; Environment Lighting; Indirect Lighting

Additional World Effects: Mist; Stars

Rendering

Introduction: Introduction to Rendering

Cameras: The Camera; Camera Perspective

Render Quality: Render Quality Overview; Color Management; Antialiasing (Oversampling); Camera Exposure; Depth Of Field; Motion Blur

Render Engines (2.5 specific): Netrender; YafRay; LuxRender; Cycles; Freestyle

Render Output: Output Options; The Render Window; Rendering Animations; Video output; Render Layers; Render Passes; Post Processing Effects; Render Bake

Render Performance: Rendering Performance; Rendering From the Command Line; Distributed Rendering; GPU Acceleration

Rendering: Reorganized render pages. Removed output format page, and combined it with output options. Changed render window page to displaying renders, added post processing effects, motion blur, exposure.