Uploaded July 2018 | Updated September 2026, 1 week ago
Learn more about Grease Pencil in the upcoming Blender 2.8 beta at code.blender.org/2017/12/drawing-2d-animation-in-blender-2-8
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Learn more about Grease Pencil in the upcoming Blender 2.8 beta at code.blender.org/2017/12/drawing-2d-animation-in-blender-2-8
- Twitter: twitter.com/BlenderDev
- Facebook: facebook.com/BlenderDevelopers
- YouTube: youtube.com/BlenderDevelopers
![Blender Bugfixing [Full Process] - Stereoscopy 3D and VSE](https://i.ytimg.com/vi/tQzKjf2_Hmk/mqdefault.jpg "Blender Bugfixing [Full Process] - Stereoscopy 3D and VSE
Dalai Felinto shows the entire process of fixing a bug, in this case for the Video Sequencer Editor. This is the full recording in real-time, check out the timestamps below to jump to the most interesting bits. The actual process is definitely shorter if it wasnt recorded/explained. In the future a more defined/shorter example will be made but since this was recorded it seemed like a great opportunity to show the real approach to bugfixing.
- The bug is: https://developer.blender.org/T71546
- The final patch is: https://developer.blender.org/D7389
- The final commit is: http://developer.blender.org/rB9c5b0542069bfec5ba8bfa65fa031014d3750cbe
Timestamps:
0:00:00 - Introduction, presenting the bug and preparing the demo file
1:00:00 - Identified the broad issue (cache system)
2:06:30 - Found the wrong part of the code (adding cache for multi-view)
2:10:09 - Realized what exactly issue is (mismatching code to insert buffers in the cache)
2:14:00 - Start to build solution bits
2:30:00 - Fixed the issue for videos, looking at images
2:38:00 - Fixed the problem for image sequences as well
3:21:00 - Finished solution, start preparing final patch
3:28:16 - Closing thoughts
For a related video about coding in Blender, check the recent live-stream he recorded with Pablo Vazquez:
DIVE INTO THE CODE | Blender Everyday #11
https://www.youtube.com/watch?v=tCdx7gzp0Ac
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