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Add sections to the CHANGELOG #5040

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44 changes: 28 additions & 16 deletions CHANGELOG.md
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Expand Up @@ -17,22 +17,34 @@ Release channels have their own copy of this changelog:


## 2.2.0
* Breaking:
* Blockstore Index column format change
* The Blockstore Index column format has been updated. The column format written in v2.2 is compatible with v2.1, but incompatible with v2.0 and older.
* Snapshot format change
* The snapshot format has been modified to implement SIMD-215. Since only adjacent versions are guaranteed to maintain snapshot compatibility, this means snapshots created with v2.2 are compatible with v2.1 and incompatible with v2.0 and older.
* Changes
* CLI:
* Add global `--skip-preflight` option for skipping preflight checks on all transactions sent through RPC. This flag, along with `--use-rpc`, can improve success rate with program deployments using the public RPC nodes.
* Add new command `solana feature revoke` for revoking pending feature activations. When a feature is activated, `solana feature revoke <feature-keypair> <cluster>` can be used to deallocate and reassign the account to the System program, undoing the operation. This can only be done before the feature becomes active.
* Add new variant to `--block-production-method` for `central-scheduler-greedy`. This is a simplified scheduler that has much better performance than the more strict `central-scheduler` variant.
* Unhide `--accounts-db-access-storages-method` for agave-validator and agave-ledger-tool and change default to `file`
* Remove tracer stats from banking-trace. `banking-trace` directory should be cleared when restarting on v2.2 for first time. It will not break if not cleared, but the file will be a mix of new/old format. (#4043)
* Add `--snapshot-zstd-compression-level` to set the compression level when archiving snapshots with zstd.
* Deprecate `--tower-storage` and all `--etcd-*` arguments
* SDK:
* `cargo-build-sbf`: add `--skip-tools-install` flag to avoid downloading platform tools and `--no-rustup-override` flag to not use rustup when invoking `cargo`. Useful for immutable environments like Nix.

### CLI

#### Changes
* Add global `--skip-preflight` option for skipping preflight checks on all transactions sent through RPC. This flag, along with `--use-rpc`, can improve success rate with program deployments using the public RPC nodes.
* Add new command `solana feature revoke` for revoking pending feature activations. When a feature is activated, `solana feature revoke <feature-keypair> <cluster>` can be used to deallocate and reassign the account to the System program, undoing the operation. This can only be done before the feature becomes active.

### Validator

#### Breaking
* Blockstore Index column format change
* The Blockstore Index column format has been updated. The column format written in v2.2 is compatible with v2.1, but incompatible with v2.0 and older.
* Snapshot format change
* The snapshot format has been modified to implement SIMD-215. Since only adjacent versions are guaranteed to maintain snapshot compatibility, this means snapshots created with v2.2 are compatible with v2.1 and incompatible with v2.0 and older.

#### Changes
* Add new variant to `--block-production-method` for `central-scheduler-greedy`. This is a simplified scheduler that has much better performance than the more strict `central-scheduler` variant.
* Unhide `--accounts-db-access-storages-method` for agave-validator and agave-ledger-tool and change default to `file`
* Remove tracer stats from banking-trace. `banking-trace` directory should be cleared when restarting on v2.2 for first time. It will not break if not cleared, but the file will be a mix of new/old format. (#4043)
* Add `--snapshot-zstd-compression-level` to set the compression level when archiving snapshots with zstd.

#### Deprecations
* Deprecate `--tower-storage` and all `--etcd-*` arguments

### SDK

#### Changes
* `cargo-build-sbf`: add `--skip-tools-install` flag to avoid downloading platform tools and `--no-rustup-override` flag to not use rustup when invoking `cargo`. Useful for immutable environments like Nix.

## 2.1.0
* Breaking:
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