SIMDs: Solana Improvement Documents and their status

Solana Improvement Documents (SIMDs) and how each one relates to Solana feature gates and governance votes.

Active on mainnet-beta

SIMD-0033: Timely Vote Credits: Activated
SIMD-0047: Syscall and Sysvar for last restart slot: Activated
SIMD-0075: Precompile for verifying secp256r1 sig.: Activated
SIMD-0079: Allow Commission Decrease at Any Time: Activated
SIMD-0083: Relax Entry Constraints: Accepted
SIMD-0084: Disable rent fees collection: Activated
SIMD-0085: Additional Fee-Collector Constraints: Activated
SIMD-0089: Programify Feature Gate Program: Activated
SIMD-0093: Disable Bpf loader V2 program deployment: Activated
SIMD-0096: Reward full priority fee to validator: Activated
SIMD-0105: Maintain Dynamic Set of Reserved Account Keys: Activated
SIMD-0118: Partitioned Epoch Rewards Distribution: Activated
SIMD-0127: Get-Sysvar Syscall: Activated
SIMD-0128: Migrate Address Lookup Table to Core BPF: Activated
SIMD-0129: Alt_BN128 Syscalls - Simplified Error Code: Activated
SIMD-0133: Syscall Get-Epoch-Stake: Activated
SIMD-0137: EC Syscalls - Abort on Unsupported Curve/Ops: Activated
SIMD-0138: Deprecate legacy vote instructions: Activated
SIMD-0140: Migrate Config to Core BPF: Activated
SIMD-0148: MoveStake and MoveLamports Instructions: Activated
SIMD-0152: Precompiles: Activated
SIMD-0153: ZK ElGamal Proof Program: Activated
SIMD-0159: Relax Precompile Failure Constraint: Activated
SIMD-0160: Static Instruction Limit: Activated
SIMD-0162: Remove Accounts `is_executable` Flag Checks: Activated
SIMD-0166: SBPF Dynamic stack frames: Activated
SIMD-0170: Reserve minimal CUs for builtins: Activated
SIMD-0173: SBPF instruction encoding improvements: Activated
SIMD-0174: SBPF arithmetics improvements: Activated
SIMD-0175: Disable Partitioned Rent Updates: Activated
SIMD-0178: SBPF Static Syscalls: Activated
SIMD-0180: Vote Account Address Keyed Leader Schedule: Activated
SIMD-0182: Consume requested CUs for sBPF failures: Activated
SIMD-0183: Skip Rent Rewrites: Activated
SIMD-0185: Vote Account v4: Activated
SIMD-0186: Loaded Transaction Data Size Specification: Activated
SIMD-0189: SBPF stricter ELF headers: Activated
SIMD-0191: Relax Transaction Loading Constraints: Activated
SIMD-0194: Deprecate Rent Exemption Threshold: Activated
SIMD-0196: Migrate Stake to Core BPF: Activated
SIMD-0207: Raise Block Limits to 50M CUs: Activated
SIMD-0215: Homomorphic Hashing of Account State: Activated
SIMD-0220: Snapshots use Accounts Lattice Hash: Activated
SIMD-0222: Fix alt-bn128 multiplication syscall length: Activated
SIMD-0223: Removes Accounts Delta Hash: Activated
SIMD-0232: Custom Commission Collector Account: Activated
SIMD-0242: Static Nonce Account Only: Activated
SIMD-0249: Delay Commission Updates: Activated
SIMD-0256: Increase Block Limits to 60M CUs: Activated
SIMD-0266: p-token: Efficient Token program: Activated
SIMD-0267: Sets rent_epoch to a constant in the VM: Activated
SIMD-0284: Alt-BN128 Little Endian compatibility: Activated
SIMD-0286: Increase Block Limits to 100M CUs: Activated
SIMD-0291: Commission Rate in Basis Points: Activated
SIMD-0302: BN254 G2 Arithmetic Syscalls: Activated
SIMD-0306: Increase writeable account limit to 20M CUs: Activated
SIMD-0312: CreateAccountAllowPrefund: Activated
SIMD-0313: Drop unchained merkle shreds: Activated
SIMD-0321: VM Register 2 Instruction Data Pointer: Activated
SIMD-0326: Alpenglow: Review
SIMD-0332: Reduce ChaCha rounds for Turbine from 20 to 8: Activated
SIMD-0334: Fix alt_bn128_pairing syscall length check: Activated
SIMD-0337: Markers for Alpenglow Fast Leader Handover: Review
SIMD-0339: Increase CPI Account Infos Limit: Activated
SIMD-0340: Validate chained block id: Activated
SIMD-0357: Alpenglow Validator Admission Ticket: Activated
SIMD-0359: Poseidon Syscall - Enforce Input Length: Activated
SIMD-0377: eBPF ISA compatibility: Activated
SIMD-0384: Alpenglow migration: Review
SIMD-0385: Transaction V1 Format: Activated
SIMD-0387: BLS Pubkey management in vote account: Activated
SIMD-0388: BLS12-381 Elliptic Curve Syscalls: Activated
SIMD-0391: Stake Program Float to Fixed-Point: Activated
SIMD-0392: Adapt Runtime for Rent Increases: Activated
SIMD-0406: Maximum instruction accounts: Activated
SIMD-0431: Loader V3: Minimum Extend Program Size: Activated
SIMD-0444: Relax program data account check in migration: Activated
SIMD-0458: Stop special-casing of Vote CU cost: Activated
SIMD-0459: Syscall Parameter Address Restrictions: Activated
SIMD-0490: Upgrade BPF Stake Program to v5.0.0: Activated
SIMD-0525: Reduce Slot Times: Activated

Partly active on mainnet-beta

Waiting to activate on mainnet-beta

SIMD-0123: Block Revenue Sharing: Review
SIMD-0290: Relax Fee-Payer Constraint: Accepted
SIMD-0433: Loader V3: Set Program Data to ELF Length: Review
SIMD-0438: Safeguard for rent-exempt minimum increase: Idea
SIMD-0449: Direct Account Pointers in Program Input: Review
SIMD-0460: Virtual Address Space Adjustments: Review
SIMD-0500: Disable deployment of SBPF-v0, -v1 and -v2: Idea
SIMD-0504: Stricter shred validation: Review
SIMD-0512: Sha512 Syscall: Idea
SIMD-0529: Big Integer ModExp Syscall: Idea
SIMD-0550: Double Disinflation Rate: Review
SIMD-0565: secp256r1 (NIST P-256) Curve Syscalls: Draft
SIMD-0582: Early detection of instruction trace overflow: Draft
SIMD-0599: Remove Inactive Stakes from Rewards: Idea
SIMD-0607: Remove Floating Point from Runtime: Draft
SIMD-0648: Unbound LoaderV3 Instruction Data: Review
SIMD-0683: Pass ABIv1 input metadata via registers r3–r5: Review
SIMD-0684: Loader V3: Allow Prefunded ProgramData: Review
SIMD-0685: Loader V3: Remove ExtendProgram
SIMD-0688: Single Program Runtime Environment: Idea
SIMD-0690: Hash validation in program upgrades: Review

No feature gate

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