Latest version of ACRE 2023 programme, including parallel sessions, subject to change. Available in pdf and word versions. Outline document and parallel papers document is version controlled. Please note version number in top right corner. *Programme book* does not change: this is an e version of the document attendees will receive on arrival at ACRE23. It is hyperlinked from the contents page, double click on page numbers to go direct to content. Latest updates: Errata 2 added, acknowledging role of Victoria I. Ekpo. Programme Parallel sessions v4 uploaded (includes rooms - rooms also shown in the programme book index page) Mindfulness session added Friday 8.30am