Blender 2.57a update log

black dots with raytrace reflections & bump mapped dupli-objects #26902, r36165
render crash when tangents are used with modifiers that remove orco coordinates #26933, r36170
incorrect errors for panorama & orthographic camera combination #26906, r36184
no output from texture node group #27034, r36251
crash setting voxel data to negative resolution #27083, r36256
crash when loading invalid voxel data and resource leak - never closing files #27084, r36257
wrong sequencer alpha gradient #25713, r36197

top bar 'Add -> Mesh -> UV Sphere + Enter' - crashed #27058, r36242
buttons with centered text truncating the first characters when there wasn't enough space #26937, r36174
single grease pencil points drawing very large in the image editor, r36154
incorrect relative path used when opening audio #26949, r36209
unpacking sounds with a long ID name #27015, r36214
ambiguous operator names in the search popup #26977, r36221
crash copying datablocks with ID Property arrays #26967, r36229
console is not hidden when start blender #26884, r36243
outliner objects showed "active" or "selected" in confusing ways #27026, r36248
freedesktop icons, incorrect install location and copying SVG #27086, r36260, r36261
sunsky presets used deprecated property names #27094, r36268.
non-functional user preference for clamping texture #26955, r36186
smooth tangent iteration field in curve panel not responding #26989, r36198
text editor indentation correction when when line contained ',' or ':' in a string, r36187
text editor copy/paste breaks formatting of script #27014, r36236

"make fur" gave errors with multiple selected objects. r36250
mesh editmode de-selecting edge loops #26931, r36159
dupli-extrude-cursor added wrong location when nothing selected #27016, r36216
mesh rip tool access from menu fail #26936, r36226
crash copying mesh, armature, lattice and metaball datablocks while in editmode #27096, r36263, r36264
explode modifier - apply as shape impossible #27075, r36249
add object, localview and undo error #27044, r36245
buffer overflow with string lengths for operators that took ID names, r36219

'Hue Correct' composite node saturates #26945, r36201
'Displace Node' composite node crashes Blender when connected to Z-Buffer #26896, r36202
lens distortion composite node delivered RGBA out with alpha zero #26901, r36212
timeline camera switch failed with compositor renderlayers #26900, r36217
rendering non active scenes from the compositor used wrong frame, r36218
modified nodes inside edited groups not updating the view #27018, r36227

bpy.context.object.collision access crash #26995, r36204
crash running the transform operator from python #27011, r36215
button input could do incorrect unit system replacements of valid python expressions r36199, r36206
bpy.utils.blend_paths(True) crash #27072, r36246

apply scale to armature offset bone children #27006, r36211, r36233
action/NLA editor issues with animation data context #25960, r36222
particle group object viewport and render scale mismatch #27008, r36224
action editor header doesn't update when entering tweakmode on NLA strips #25960, r36225
bugs when linking particles/collision/softbody modifiers #27038, r36228
separate armature would also separate active, unselected bone r36232
available keying set fails in armature pose mode #27090, r36258
b-bone doesn't resize correctly with numeric input #27095, r36270

Additions

API for exporters to write paths with different absolute/relative options. r36155
image and compositor now show the color under the cursor as well as HSV and luminance. r36239