Here's what we know:
* The Conflict: The two have been involved in a public feud for years, stemming from comments Alexa made about Jamie Lynn's role in the Britney Spears conservatorship. Alexa has been vocal in her criticism of Jamie Lynn, accusing her of not doing enough to help her sister.
* Jamie Lynn's Response: Jamie Lynn responded to these accusations in her memoir, "Things I Should Have Said." She defended her actions and claimed she was supportive of Britney.
* Alexa's Response: Alexa criticized the book and continued to express her disapproval of Jamie Lynn's actions.
* Public Statements: While there have been no public statements suggesting a reconciliation, the feud has cooled down somewhat in recent years.
Ultimately, it's impossible to know for sure if Alexa and Jamie Lynn have ever privately resolved their differences. The public record suggests that their relationship remains strained, though there has been a decrease in their public exchanges.