The AoIR 2025 conference committee is happy to open conference registration for #AoIR2025: Ruptures <https://aoir.org/aoir2025/>, 15-18 October 2025, Niterói, Brazil. #AoIR2025 will be held at the Universidade Federal Fluminense (UFF) - Campus Gragoatá. The campus is close to the city centre and is very well served by public transport. Please check AoIR’s website for travel information: https://aoir.org/aoir2025/travelingtobrazil/ There are two different registrations for this conference - one for in person attendees and one for remote attendees. In person only: https://members.aoir.org/event-6216401 Online only: https://members.aoir.org/event-6216484 The Early Registration deadline is 1st August 2025. After that the price increases, so take advantage of the discount. AoIR is progressing this year to mirror many other active research communities in offering the tiered registration fees. *Please read through the details prior to registering to make sure you select the appropriate registration rate*: https://aoir.org/aoir2025/aoir2025fees/ *Please note:* - *All presenting authors must be registered by 1 August 2025 to be included in the program. THIS INCLUDES THOSE PRESENTING REMOTELY.* - There will be a range of pre-conference workshops on Wednesday, 15 October 2025. You can find details here: https://aoir.org/aoir2025/aoir2025preconfworkshops/ - During the registration process you will be asked to indicate if you are attending the keynote, plenary and various receptions. Please mark each of these events based on your actual planned attendance, as we book facilities and catering based on your responses. - AoIR will be using Mastodon to communicate with conference attendees. AoIR members are entitled, and indeed encouraged, to open an account on our very own instance at https://aoir.social.. Many countries do not need a visa for short stays in Brazil (typically up to 90 days for tourism or business). However, *citizens from countries like the US, Canada, Australia, India, China and some African and Middle Eastern countries must apply for a visa.* Please check visa requirements for travelling to Brazil here: https://brazil.vfsevisa.com/. If you require an invitation letter for the visa application process, please contact ac [@] aoir.org. You will need to have either an accepted AoIR2025 submission or a paid conference registration to receive the invitation letter. We look forward to seeing all of you in Niterói!! #AoIR2025 Conference Committee