Solana v2.1.6

[naviat]

This is a Testnet and Devnet release. It is NOT recommended for Mainnet Beta.

What's Changed

• v2.1: rekey feature enable_get_epoch_stake_syscall (backport of rekey feature enable_get_epoch_stake_syscall anza-xyz/agave#3627) by @mergify in v2.1: rekey feature enable_get_epoch_stake_syscall (backport of #3627) anza-xyz/agave#3699
  Bump version to v2.1.6 by @github-actions in Bump version to v2.1.6 anza-xyz/agave#3995
• v2.1: SVM: fix executor metrics accumulation in program loader (backport of SVM: fix executor metrics accumulation in program loader anza-xyz/agave#3695) by @mergify in v2.1: SVM: fix executor metrics accumulation in program loader (backport of #3695) anza-xyz/agave#3767
• v2.1: use trailing_zeros for threadset iteration (backport of use trailing_zeros for threadset iteration anza-xyz/agave#3871) by @mergify in v2.1: use trailing_zeros for threadset iteration (backport of #3871) anza-xyz/agave#3897
• v2.1: fix audit (backport of fix audit anza-xyz/agave#4014) by @mergify in v2.1: fix audit (backport of #4014) anza-xyz/agave#4022
• v2.1: Rekey direct mapping feature (backport of Rekey direct mapping feature anza-xyz/agave#4058) by @mergify in v2.1: Rekey direct mapping feature (backport of #4058) anza-xyz/agave#4062
• v2.1: Update docs URL in docusaurus config (backport of Update docs URL in docusaurus config anza-xyz/agave#4081) by @mergify in v2.1: Update docs URL in docusaurus config (backport of #4081) anza-xyz/agave#4087

[guardrails]

⚠️ We detected 1 security issue in this pull request:

Insecure Access Control (1)

Severity	Details	Docs
High	Title: Missing User Instruction solana-docker/Dockerfile Line 1 in 7b401cc FROM anzaxyz/agave:v2.1.6	📚

More info on how to fix Insecure Access Control in Dockerfile.

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