| A-1 | Project Needs and Challenges |
| A-2 | Modeling of Current and Future Machines |
| B-1 | Light Sources and FELs |
| B-2 | Plasma, Laser, Dielectric and Other Acceleration Schemes |
| C-1 | Magnet Design and Measurements |
| C-2 | Electromagnetic Field Computations |
| D-1 | Beam Dynamics Simulations |
| D-2 | Dynamics -- Spin, Precision, Space Charge |
| E-1 | Multi-Physics Modeling and Applications |
| E-2 | Surrogates and Machine Learning, Optimisation, Control |
| F-1 | Code Development, Status and Comparison with Measurements |
| F-2 | Parallel Computing and Emerging Technologies |
