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+Mempool Policy Changes
+----------------------
+
+- Transactions with version number set to 3 are now treated as standard on all networks (#29496),
+ subject to Opt-in Topologically Restricted Until Confirmation (TRUC) Transactions policy as
+ described in [BIP 431](https://github.com/bitcoin/bips/blob/master/bip-0431.mediawiki). The
+ policy includes limits on spending unconfirmed outputs (#28948), eviction of a previous descendant
+ if a more incentive-compatible one is submitted (#29306), and a maximum transaction size of 10,000vB
+ (#29873). These restrictions simplify the assessment of incentive compatibility of accepting or
+ replacing TRUC transactions, thus ensuring any replacements are more profitable for the node and
+ making fee-bumping more reliable.