When one’s jīva has attained sufficient purity, it can be released from its karmic attachment to ajīva.
In other words, in final spiritual liberation, the individual’s soul (jīva) has been liberated from attachment to the world of forms and perceptions (ajīva).
As one nears the final stages of spiritual liberation, one loses one’s last bits of karma (a process called nirjara), and no longer produces any new karma (called “karma stopping” or saṃvara).