Changed

• Testing infrastructure improvements:
  • State and blockchain test runners now discover tests by individual test cases. #1331
  • Block header validation fixes. #1244
  • Fix deposit log and system contract validations in t8n. #1339
• Cryptography optimizations:
  • Optimize bit test of scalars in ECC multiplication. #1336
  • Add ECC doubling formula for curves with A coefficient of -3. #1321
  • Use g1_mul and g2_mul for single-input multiplication in BLS precompiles. #1340
• Code quality and coverage improvements:
  • Refactor MPT implementation for more precise code coverage. #1341
  • Filter relevant functionality in call_impl template. #1348
  • Remove deprecated methods in TestState. #1352
  • Remove dead code: ethash_keccak256_32, secp256k1 affine point multiplication, and RLP encode(array). #1345 #1346 #1342
  • Degrade always-true condition to assert in the Host code. #1344
  • Remove potentially dead code in ExecutionState. #1338
  • Move BlobSchedule from state library to test utilities. #1349
• Build and dependencies:
  • Upgrade minimum CMake version to 3.19. #1350
  • Disable -Werror by default. #1351
  • Upgrade minimum Xcode to 16.2.0. #1334
• External test suites:
  • [Execution Spec Tests] upgraded to [v5.3.0][Execution Spec Tests 5.3.0]. #1334 #1327
  • Adjust coverage report for EEST tests. #1318

Fixed

• Fix handling of the input point-at-infinity in secp256r1 signature verification. #1328