The latest stable version of Ibexa DXP is Ibexa DXP v4.3.
The latest LTS (Long Term Support) version is Ibexa DXP v3.3.
Ibexa DXP v4.3 adds the improvements to the Customer Portal, PIM and SEO.
Ibexa DXP v4.2 adds the Customer Portal and user management capabilities, and enriches PIM with catalogs, product variants and product assets.
Ibexa DXP v3.3 is a Long Term Support release that offers a new Personalization UI, Image Editor and a data migration bundle.
eZ Platform v2.5 is the last Long Term Support release in the v2 line, currently after End of Maintenance.