According to the reference information provided, AliExpress is still open to new sellers in 2024. As a cross-border e-commerce platform under Alibaba Group, AliExpress has been committed to providing a wealth of goods and services to consumers around the world. With the rapid development of the cross-border e-commerce industry, AliExpress has continuously adjusted and optimized its platform policies to adapt to market changes and merchant needs.

New sellers can learn about the latest entry requirements and processes through AliExpress's official channels, prepare the corresponding qualification materials, and apply for entry in accordance with the platform's regulations. AliExpress may review the merchants who have settled in to ensure that the merchants meet its platform rules and quality standards.

It is worth noting that the requirements for entering AliExpress may be updated at any time, and new sellers should pay close attention to the latest policies and guidelines officially released by AliExpress to ensure that the application process meets the latest requirements. At the same time, new sellers should ensure that the information provided is true and accurate when applying for entry, and comply with AliExpress's various rules and laws and regulations to maintain a good network environment and consumer experience.