Dear colleagues, We are pleased to announce the 30th International Conference on Engineering of Complex Computer Systems (ICECCS 2026), which will be held in Brisbane, Australia, on 23–24 November 2026. ICECCS is a well-established international conference focusing on the engineering of complex computer systems, covering a broad range of topics including: Requirements, Modeling and Formal Methods Simulation, Testing and Validation Software Engineering Security, Reliability and Dependability Engineering of Emerging Computing Paradigms (e.g., quantum, blockchain) LLMs and AI-driven systems We invite submissions in two categories: Regular papers (up to 20 pages) Short papers (up to 11 pages) Accepted papers will be published in Springer’s LNCS series, and at least one author is expected to present the work in person. Important Dates: Abstract submission: 20 July 2026 (AoE) Full paper submission: 20 July 2026 (AoE) Notification: 17 August 2026 Camera-ready: 31 August 2026 For more details, please refer to the official CFP: 👉 https://formal-analysis.com/iceccs/2026/ We warmly welcome your submissions and hope to see you in Brisbane! Best regards, Fuman Xie ICECCS‘26 Publicity Chair