Blender 2.79a: Bug Fixes

Changes from revision e8e40b171b to 4c1bed0a12, inclusive.

Total fixed bugs: 202 (117 from tracker, 85 reported/found by other ways).

Note: Nearly all commits from 2.79 are listed here (over 75% of total), only really technical/non-user affecting ones have been skipped.

Objects / Animation / GP

Animation

• Fix #52932: Driver with target of custom property from scene fails to update (ad834085b7).
• Fix #52835: When driven IK influence change, ik animation have 1 frame delay (89de073ea5).

• Fix unreported: Fix missing ID remapping in Action editor callback (9f6d5d679e).
• Fix unreported: #50354: Action length calculation added unnecessary padding if some F-Curves only contained a single key (on the last real frame of the action) (f887b8b230).
• Fix unreported: Fix: Undo pushes were missing for Add/Remove Driver Variable buttons, and Remove Driver button (08e16e0bd1).

Grease Pencil

• Fix unreported: Fix: When transforming GP strokes in "Local" mode, the strokes would get obscured by the transform constraint lines (99e4c819f7).

Objects

• Fix #52729: Decimals not showing over 100m or 100 feet (5384b2a6e2).
• Fix #52140: Align objects centers using origin for text (3a0f199aa7).

Dependency Graph

• Fix #52432: Blender crashes while using Ghost (new depsgraph) (2213153c27).
• Fix #52741: Follow track with depth object crashes Blender with new depsgraph (d5dbe0c566).
• Fix #53547: Metaballs as dupli objects are not updated with the new Depsgraph (8cdda3d2ad).

• Fix unreported: Transform: Enable recursion dependency check for new depsgraph (ef04aa4a43).
• Fix unreported: Depsgraph: Fix relations for metaballs (7103c6ef3b).

Data / Geometry

Armatures

• Fix #53300: Bone Extrude via Ctrl + Click is not done from active bone tail (969196069a).
• Fix #53054: Parentless bone + IK crashes (c63e08863d).

Curve/Text Editing

• Fix #52860: 3D Text crashes w/ Ctrl Backspace (b969f7eb55).
• Fix #53410: 3D Text always recalculated (480b0b5dfc).
• Fix #53586: Surfaces collapse when joined (1611177ac9).

• Fix unreported: Curves: Fix wrong bitset being checked against CYCLIC bit flag (2edc2b4912).

Mesh Editing

• Fix #53145: bevel tool fails when used a second time (36f324fc55).
• Fix #53145: bevel tool does not start with amount at zero (f1a4e130b3).
• Fix #52723: Reset UV layers failed (0641069778).
• Fix #52748: Select shortest face path fails (60bfa969e2).
• Fix #52384: Bridge pair result depends on other loops (495aa77b53).
• Fix #53131: Incorrect vert-edge angle calculation (60e8d86fb1).
• Fix #53441: Inset doesn't start at zero (19b27d84ab).
• Fix #53529: Rip crashes w/ wire edge (52a5daa404).
• Fix #53343: Custom Normal Data Transfer Crashes when some vertexes have no faces (ff8c9c5931).
• Fix #53420: Vertex Groups: The "-" button gets a hidden function (50ca70b275).
• Fix #52733: Percent mode for Bevel sometimes had nans (48079e1f11).
• Fix #52871: BLI_polyfill_beautify_quad_rotate_calc_ex was mistakenly considering the state as degenerated (9298d99b77).
• Fix #52871: beauty fill error (9d501d23cb).
• Fix #53143: Knife Crash after Grid Fill (4f247ed07a).
• Fix #53713: User remap failed w/ texface images (26ffade5c1).
• Fix #52818: Tangent space calculation is really slow for high-density mesh with degenerated topology (9a5320aea3).
• Fix #53678: Smart Project UV margin ignores units (42e207b599).

• Fix unreported: Fix for inset when accessed from spacebar search (db3e3f9c24).
• Fix unreported: Edit Mesh: click extrude, ensure inverse matrix (3e3a27d089).
• Fix unreported: Polyfill Beautify: option to rotate out of degenerate state (0834eefae0).
• Fix unreported: BMesh: use less involved check for edge rotation (58ab62ed6d).
• Fix unreported: Avoid bias when calculating quad split direction (569d2df634).
• Fix unreported: Beauty fill was skipping small faces (1b6130533f).
• Fix unreported: Polyfill Beautify: half-edge optimization (4a457d4f1e).
• Fix unreported: Use BLI_heap_reinsert for decimate and beautify (eaeb0a002e).
• Fix unreported: BMesh: move bridge tools stepping logic into macro (02b206780e).
• Fix unreported: Subsurf: Avoid global lock for loops and orig index layers (83b0603061).
• Fix unreported: Subsurf: Avoid possible use of partially initialized edge hash (72151f3e36).
• Fix unreported: Fix scalability issue in threaded code of Mesh normals computation (71e0894e0d).

Modifiers

• Fix #51074: Boolean modifier inverts operation (d07011da71).
• Fix #52291: Boolean fails w/ co-linear edged ngons (78cc3c828f).
• Fix #52763: Boolean problem with vertex group (00d8097510).
• Fix #52823: New Depsgraph - Shrinkwrap crashes blender (754630cee4).
• Fix #53007: OpenSubdiv + transparency = artefact/crashes (ba40d8f331).
• Fix #53398: Surface deform modifier says that convex polygons are concave for big faces (4c46f69376).

• Fix unreported: Fix (irc-reported by @sergey) invalid precision value in a float RNA property (8e43a9e9cc).

Material / Texture

• Fix #53116: default texture coordinates for volume materials are blank (576899b90a).
• Fix #52953: Crash removing material (243b961c29).
• Fix #53509: Datablock ID Properties attached to bpy.types.Material are not loaded (0c365472b6).

• Fix unreported: Fix logic for pinning textures users from context (8f9d9ba14e).

Physics / Simulations / Sculpt / Paint

Particles

• Fix #53552: Unneeded particle cache reset on frame change (6f19787e52).
• Fix #52732: Particle system volume grid particles out of volume (17c00d222f).
• Fix #53513: Particle size showing in multiple places (c70a45027d).
• Fix #53832: Particle weight paint crash (5b3538e02a).
• Fix #53823: Particle weight brush crash (b6481cbbe5).

• Fix unreported: Fix missing update for particles w/ fluids (84361a0709).

Physics / Hair / Simulations

• Fix #53650: remove hard limits on force field size and max distance (2a9abc0f5e).

• Fix unreported: Fix error copying smoke modifier uv layer (9f032c3867).
• Fix unreported: Depsgraph: Don't make non-dynamic hair dependent on time (76032b133c).

Sculpting / Painting

• Fix #53577: Rake sculpt/paint wrong on first step (413817a3d2).
• Fix #52537: Dyntopo "detail flood fill" doesn't work in some cases (1b8e8326b4).
• Fix #53593: sculpt brush rake spacing bug after recent bugfix (4c1bed0a12).

• Fix unreported: Fix brush reset (missing notifier) (98dc9072e5).
• Fix unreported: Fix sculpt secondary color missing some brushes (6058b651c4).

Image / Video / Render

Image / UV Editing

• Fix #53092: errors reading EXR files with different data/display window (f901bf6f47).
• Fix #52739: Crash loading corrupted video files (9c39f021ad).
• Fix #52811: At any framerate selected, video exported with 1000fps (3163d0e205).
• Fix #52920: Saving Tiff Files type Blender crashes (d305c10104).
• Fix #53499: Cannot load DPX files (b8bdca8c0a).

• Fix unreported: Fix writing Iris images w/ invalid header (acae901a10).

Masking

• Fix #52840: New Depsgraph - Mask editor not working correctly (69062cdd8d).
• Fix #52749: New Depsgraph - Render View Mask is not initialized correctly (538182511a).
• Fix #53419: Masking "Add" menu is not present in Image editor, but shortcut is (c8f95c7829).

Motion Tracking

• Fix #52851: Per-frame traking is broken when sequence doesn't start at frame 1 (f0743b56ec).
• Fix #53612: Blender crashes on CleanTracks with 'DELETE_SEGMENTS' and a disabled marker (a1d05ac2a1).

• Fix unreported: Tracking: Fix crash when tracking failed (350f5c6894).
• Fix unreported: Tracking: Create mesh from selected tracks only (333ef6e6f7).

Nodes / Compositor

• Fix #53360: crash with GLSL bump mapping and missing group output node (bb89759624).
• Fix #52299: X resolution of 4 causes nodes to collapse (cdc35e63bd).
• Fix #53371: Keying Node fails with values above 1 (1c7657befb).
• Fix #52113: Compositor doesnt mix unrendered render layers well (3182336666).
• Fix #53263: Proposed Blender crashes when rendering with Stabilizer 2D node without movie selected (ce35151f38).
• Fix #53696: Compositor HSV limits changed (528e00dae0).
• Fix #52927: Compositor wrong scale when scale size input is connected to complex node (259e9ad00d).
• Fix #47212: Luminance Key not working with HDR and out-of-gamut ranges (13973a5bbf).

• Fix unreported: Fix compositor node links getting lost on file load for custom render passes (6bd1189e5c).
• Fix unreported: Node selection: Stop operator when mouse selection selected a node (bf58ec9265).
• Fix unreported: Compositor: Ensured 16 byte alignment for variables accessed by SSE instructions (02bac54fa9).
• Fix unreported: (Nodes) Display image name if any in the Image and Texture Image node title (010cf35e7e).
• Fix unreported: Fix old files with changed node socket type not loading correctly (79563d2a33).

Render

• Fix #52679: Hole in bake normal (759af7f1ee).
• Fix #53185: After rendering an animation (Ctrl-F12), pressing F12 no longer renders single frames only (6cfc5edb86).
• Fix #53810: Crash removing a scene used in render (5ddcad4377).

• Fix unreported: Fix incorrect color management when saving JPG previews for EXR (1dbdcfe9a9).
• Fix unreported: Fix leak when rendering OpenGL animations (e4dce3b3d7).

Render: Cycles

• Fix #53129: Cycles missing update when changing image auto refresh (a6e5558194).
• Fix #53217: GLSL principled BSDF black with zero clearcoat roughness (d564beda44).
• Fix #52368: Cycles OSL trace() failing on Windows 32 bit (2bc667ec79).
• Fix #53348: Cycles difference between gradient texture on CPU and GPU (198fd0be43).
• Fix #53171: lamp specials strength tweak fails with renamed emission nodes (5b2d5f9077).
• Fix #52573: Cycles baking artifacts (b0c55d5c94).
• Fix #51416: Blender Crashes while moving Sliders (aafe528c7d).
• Fix #53048: OSL Volume is broken in Blender 2.79 (ad7385422e).
• Fix #53559: Auto texture space for text and font is wrong in Cycles (e7aad8fd0e).
• Fix #53600: Cycles shader mixing issue with principled BSDF and zero weights (836a1ccf72).
• Fix #52801: reload scripts causes Cycles viewport render crash (f1ee24a284).
• Fix #53017: Cycles not detecting AMD GPU when there is an NVidia GPU too (1f50f0676a).
• Fix #53755: Cycles OpenCL lamp shaders have incorrect normal (2ca933f457).
• Fix #53692: OpenCL multi GPU rendering not using all GPUs (30a0459f2c).
• Fix #53567: Negative pixel values causing artifacts with denoising (824c039230).
• Fix #53012: Shadow catcher creates artifacts on contact area (c3237cdc13).

• Fix unreported: OpenVDB: Fix compilation error against OpenVDB 4 (0cdfe887b4).
• Fix unreported: Cycles: Fix possible race condition when generating Beckmann table (b5c629e604).
• Fix unreported: Fix Cycles bug in RR termination, probability should never be > 1.0 (df1af9b349).
• Fix unreported: CMake: support CUDA 9 toolkit, and automatically disable sm_2x binaries (cd9c68f0c5).
• Fix unreported: Fix part of #53038: principled BSDF clearcoat weight has no effect with 0 roughness (440d647cc1).
• Fix unreported: Fix incorrect MIS with principled BSDF and specular roughness 0 (866be3423c).
• Fix unreported: Cycles: Fix possible race condition when initializing devices list (93d711ce55).
• Fix unreported: Cycles: Fix wrong shading when some mesh triangle has non-finite coordinate (075950ad66).
• Fix unreported: Cycles: Fix compilation error with latest OIIO (49f57e5346).
• Fix unreported: Cycles: Fix compilation error with OIIO compiled against system PugiXML (b6f3fec259).
• Fix unreported: Cycles: Fix compilation error of standalone application (391f7cc406).
• Fix unreported: Cycles: Workaround for performance loss with the CUDA 9.0 SDK (b3adce7766).
• Fix unreported: Cycles: Fix difference in image Clip extension method between CPU and GPU (a50c381fac).
• Fix unreported: Cycles: Fix crash opening user preferences after adding extra GPU (a3616980c6).
• Fix unreported: Cycles: Fix bug in user preferences with factory startup (2f5a027b94).

Sequencer

• Fix #52890: Crash unlinking sequencer sound (eaba111bd5).
• Fix #53430: Cut at the strip end fails w/ endstill (5ab1897de7).
• Fix #52940: VSE Glow Effect Strip on transparent images has no blur (3ad84309df).
• Fix #53639: text sequence strips no stamped into render (8f7030e5f3).

UI / Spaces / Transform

3D View

• Fix #52959: Local view looses clip range on exit (7f6e9c595b).
• Fix #53850: Lock to Cursor breaks 3D manipulators (b90f3928a3).

• Fix unreported: Fix ruler access from search pop-up (b0fbe95a1b).
• Fix unreported: 3D View: use shortest angle between quaternions (2895cb22a7).

Input (NDOF / 3D Mouse)

• Fix #52998: disabled menu entries responding to key shortcuts (20c96cce86).
• Fix #52861: Keymap editor filter doesn't show shortcuts using "+" (ca236408f3).

Outliner

• Fix #53342: Outliner 'select hierarchy' broken (7153cee305).

Transform

• Fix #53463: Rotation numerical input shows unstable behavior (8a9d64b578).
• Fix #53309: Remove default 'Clear loc/rot/scale delta transform' shortcuts (c4f8d924e1).
• Fix #52086: Graph editor "normalize" drag errors for integers (9f916baa70).
• Fix #53311: transform edge/normal orientation (57b11d8b4e).

User Interface

• Fix #52800: fix UI flickering with Mesa on Linux (c85a305c09).
• Fix #53630: Effect strips not disFix #52977: playing Input data. Parent bone name disappeared in the UI in pose mode (4bc89d815c).

• Fix unreported: Fix failure in our UI code that could allow search button without search callbacks, leading to crash (e8e40b171b).
• Fix unreported: Add some security checks against future bad float UIprecision values (7e4be7d348).
• Fix unreported: UI: avoid int cast before clamping number input (a437b9bbbe).
• Fix unreported: UI: fullstop at end of tooltips (4c3e2518c8).
• Fix unreported: Fix incorrect allocation size (6b2d1f63db).

Game Engine

• Fix unreported: Fix BGE sound actuator property access (d2d207773e).

System / Misc

Collada

• Fix #53322: Collada export crash w/ shape keys (869e4a3420).
• Fix #53230: avoid Nullpointer problems in Collada Exporter (eaf14b1ebf).
• Fix #52831: removed enforcement of matrix decomposition when animations are exported (a123dafdc0).

File I/O

• Fix #52816: regression can't open file in 2.79 (crash) (a4116673c7).
• Fix #53002: Batch-Generate Previews generate empty or none image for large objects (47a388b2a9).
• Fix #52514: don't clear filename when dropping directory path in file browser (625b2f5dab).
• Fix #53250: Crash when linking/appending a scene to a blend when another linked scene in this blend is currently open/active (06df30a415).
• Fix #53572: Alembic imports UV maps incorrectly (0f841e24b0).

• Fix unreported: Alembic import: fixed mesh corruption when changing topology (bae796f0d5).

Other

• Fix #53274: Saving template prefs overwrites default prefs (38fdfe757d).
• Fix #53637: Keymap from app-template ignored (8c484d0bda).

• Fix unreported: Fix potential string buffer overruns (30f53d56b6).
• Fix unreported: Fix build with OSL 1.9.x, automatically aligns to 16 bytes now (f968268c1e).
• Fix unreported: WM: minor correction to user-pref writing (75aec5eeaa).
• Fix unreported: WM: don't load preferences on 'File -> New' (571e801b27).
• Fix unreported: WM: load UI for new file, even when pref disabled (9f0ebb0941).
• Fix unreported: Fix MSVSC2017 error (405874bd79).
• Fix unreported: Fix SGI foramt reader CVE-2017-2901 (7b8b621c1d).
• Fix unreported: Memory: add MEM_malloc_arrayN() function to protect against overflow (a972729895).
• Fix unreported: Fix buffer overflows in TIFF, PNG, IRIS, DPX, HDR and AVI loading (16718fe4ea).
• Fix unreported: Fix buffer overflow vulernability in thumbnail file reading (04c5131281).
• Fix unreported: Fix buffer overflow vulnerabilities in mesh code (9287434fa1).
• Fix unreported: Fix buffer overflow vulnerability in curve, font, particles code (8dbd5ea4c8).
• Fix unreported: Fix manual lookups (data is now lowercase) (cae8c68ca6).

Python

• Fix #53273: render bake settings properties not showing correct Python path (825aecaee3).
• Fix #52442: bl_app_templates_system not working (d89353159f).
• Fix #53294: bpy.ops.image.open crash (8ea3f6438d).
• Fix #53191: Python API Reference link wrong in splash screen (5f2307d1a7).
• Fix #52982: Join operator with context override crashes Blender 2.79 (09c387269a).
• Fix #53772: Presets don't support colons (91ce295796).

• Fix unreported: Fix bpy.utils.resource_path('SYSTEM') output (21ecdacdf1).
• Fix unreported: Fix setting the operator name in Py operator API (8c9bebfe28).
• Fix unreported: Docs: add note for bmesh face_split_edgenet (a253b1b7bc).
• Fix unreported: Fix edge-split bmesh operator giving empty result (ce6e30b3dc).
• Fix unreported: Fix BMesh PyAPI internal flag clearing logic (6639350f92).
• Fix unreported: Docs: clarify return value for BVH API (0c456eb90a).
• Fix unreported: bl_app_override: support empty UI layout items (6d640504e8).
• Fix unreported: Fix bad 'poll' prop callback API doc (3193045c59).
• Fix unreported: Fix background_job template (38357cd004).
• Fix unreported: Fix bmesh.utils.face_join arg parsing (20cccb1561).

System

• Fix #53004: XWayland ignores cursor-warp calls (1ab828d4bb).
• Fix #53068: AMD Threadripper not working well with Blender (dfed7c48ac).

• Fix unreported: GPU: Fix memory corruption in GPU_debug on GTX1080 (3a1ade22e5).
• Fix unreported: Task scheduler: Start with suspended pool to avoid threading overhead on push (8553449cf2).

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