An Act amending Titles 20 (Decedents, Estates and Fiduciaries) and 23 (Domestic Relations) of the Pennsylvania Consolidated Statutes, in intestate succession, further providing for forfeiture; in elective share of surviving spouse, further providing for right of election and resident decedent; in wills, further providing for modification by circumstances; in estates, further providing for modification by divorce or pending divorce and for effect of divorce or pending divorce on designation of beneficiaries; in preliminary provisions, further providing for legislative findings and intent, for definitions and for premarital agreements; in dissolution of marital status, further providing for grounds for divorce, repealing provisions relating to counseling, further providing for grounds for annulment of voidable marriages, repealing provisions relating to defenses, to action where defendant suffering from mental disorder and to general appearance and collusion, providing for general order of divorce proceedings, repealing provisions relating to jury trial, further providing for decree of court and repealing provisions relating to limitations on attacks upon decrees and to opening or vacating decrees; in alimony and support, further providing for bar to alimony; and, in mediation, further providing for mediation programs.