This book constitutes the thoroughly refereed post-conference proceedings of the 10th International Conference on Fundamentals of Software Engineering, FSEN 2023, held Tehran, Iran in May 4-5, 2023.The 9 full papers and 2 short papers presented in this volume were carefully reviewed and selected from 19 submissions.

Structured specification of paraconsistent transition systems.- Towards a Basic Theory for Partial Differentiation in the Prototype Verification System.- Case studies of development of verified programs with Dafny for accessibility assessment.- TPGen: A Self-Stabilizing GPU-Based Method for Test and Prime Paths Generation.- An Optimised Complete Strategy for Testing Symbolic Finite State Machines.- Afra: An Eclipse-Based Tool with Extensible Architecture for Modeling and Model Checking of Rebeca Family Models.- Interaction-based Offline Runtime Verification of Distributed Systems.- Genetic Algorithm for Program Synthesis.- Property-Based Conjecturing for Automated Induction in Isabelle/HOL.- Verification of the busy-forbidden protocol.- kProp: Multi-Neuron Relaxation Method for Neural Network Robustness Verification.