• Feature Freeze: 23 March - 6 April
• Hashing: 8 April
• Injection: ~16 April

Ithaca followups

• Merge fix for Ledger app update
• Release Ledger app @vbotbol
• Update indexers
• Update docs after Ithaca activation !4960 (merged)

Required

• Name
• Migration from Ithaca !4107 (merged)
• Fix endorsements for migration block !4652 (closed)
• Update gas model !4840 (merged)
• Update space model !4948 (merged)
• Fix OCaml compiler stack overflow
• Update changelog !4682 (merged)
• Test snapshotting !4806 (closed)

Critical fixes

• Fix CREATE_CONTRACT annotations !4844 (merged)
• Update ometrics to 0.1.3 !4854 (closed) !4887 (merged)
• Use MinPk in BLS (revert !4779 (merged)) !4930 (merged)

Backports

• !4965 (merged) Update gas model of consume_add_message
• !4972 (merged) Update gas model for Tx_rollup_commitment_repr.Full.compact
• !4976 (merged) Carbonate rejection in TORU
• !4984 (merged) Final constants value for mainnet in TORU
• !4911 (merged) Normalise views in RPCs

Environment V5

• BLS gas improvements #2184 !4383 (merged)
• Update BLS for #2479 (closed)
• Tree and stream proof APIs !4086 (merged)
• Patch for performance !4305 (merged)
• Move compact encoding into data_encoding !4575 (closed)
• Let bindings !4365 (merged)
• Expose context configuration !4601 (merged)
• Fix for Sapling !4589 (merged)
• Expose construction of Merkle tree in memory !4618 (merged)
• BLS signatures compatible with standard?
• BLS size_in_memory !4464 (merged)

%Ticket Strengthening

• Carbonated map !3845 (merged)
• Fetching balances from lazy diff !4011 (merged)
• Ticket operations diff !4168 (merged)
• Tickets accounting !4334 (merged)
• Gas benchmarks
• Activate tickets validation !4341 (merged)
• Fix deposit operation in TORU
• Typed representation of internal operations #2035 (closed)
• Check migration time on recent context

Compact Merkle Proofs

• Release Irmin 2.10 with API for TORU and SCORU
• Expose proofs API in environment !4086 (merged)
• Encoding for Merkle proofs !4307 (merged)
• Use different version of proof for TORU and SCORU !4465 (merged) !4536 (merged)
• Encoding for binary tree !4509 (merged)

%Transaction Rollups

• Phase 1. Creation of rollup and Rollup node
• Phase 2. Rollup operations and Deposits
• Phase 3. Commitments and rejections - in progress
• Phase 4. Withdrawals - in progress
• Phase 5. Activation - just before feature freeze
• Compact encoding !4339 (merged)
• Use tz4 prefix
• Frozen bonds !4437 (merged)
• Handle increased storage size (due to longer finality period)
• Merkelisation of commitments !4841 (merged)
• Sunset !4913 (merged)
• Refine gas model
• Check fees in precheck

%Reduce Michelson technical debt crew

• Annotation propagation removal
• Constant memory equality for types
• Migrate legacy contracts !3730 (merged)

Liquidity Baking vote

• Add a pass option + make the vote symmetric !4201 (merged)