node/v0.4.0

This release brings support for the Simplex consensus protocol and QUIC transport — key protocol upgrades rolling out across the TON network. It also introduces archival node functionality and a range of fixes to fee accounting, storage phase handling, and sync stability.

Added

• Simplex consensus updates and QUIC integration
• QUIC transport with separate address support and connection deduplication
• Archival node functionality with split/merge resilience
• CellsDB cells cache

Changed

• Validate query uses capabilities from blockchain config instead of candidate block
• Enforce mcStateExtra flags <=1, remove ValidatorsStat

Fixed

• Storage phase: preserve original due_payment for special accounts in partial storage phase
• Masterchain ValueFlow burned fees and blackhole accounting
• Fee accumulation: accumulate fees_collected instead of overwriting to preserve shard burn
• Untouched account change detection
• Fast sync overlay creation reliability
• Archive sync stalling on shard split/merge