Sveinbjorn worked on core enhancements for the Ayon pipeline in the ynput/ayon-core repository, focusing on application integration and plugin development using Python. He implemented Gaffer as a supported plugin host, enabling the pipeline to recognize and process Gaffer tasks, and added a merge sequence feature to the FilesWidget, streamlining file management for users. In the ynput/ayon-nuke repository, he improved the reliability of the Ayon Nuke client by introducing robust default node placement for empty scenes, preventing initialization errors. His work demonstrated careful attention to defensive programming, maintainability, and user experience across both frontend and backend components.