2026-06-15-case-else-branch.md

category	breaking

• The else branch of a case expression is no longer represented as a StmtSequence directly. Instead, a new CaseElseBranch AST node wraps the body (a StmtSequence). CaseExpr.getElseBranch() now returns a CaseElseBranch, and the body of the else branch can be accessed via CaseElseBranch.getBody().