SIMD-0186: Loaded Transaction Data Size Specification

SIMD-0186 (Loaded Transaction Data Size Specification) is a Core Standard Solana Improvement Document by Hanako Mumei; proposal status Activated.

Active on mainnet-beta since epoch 1008; active on testnet since epoch 980; active on devnet since epoch 1098.

Feature gates

• Feature gate: SIMD-0186 Amendment: Define fee-only semantics
• Feature gate: SIMD-0186: Loaded transaction data size specification
• Related gate: Disable account loader special case #3513
• Related gate: add compute budget instruction for setting account data size per transaction #30366

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