v23.0.0rc.1

What's Changed

This is a preliminary release of protocol 23. It contains the user-visible changes of all the protocol 23 CAPs (CAP-62 to CAP-69). This is not the final implementation of protocol 23. This is still missing CAP-70 implementation, as well full implementation of parallel smart contract execution.

Generated changes summary:

• Win compile fix march2025 by @MonsieurNicolas in #4669
• Switch in-memory index to hash set by @SirTyson in #4665
• Update metrics and example config based on current implemention by @marta-lokhova in #4664
• Change expensive timer metrics to trend counters by @SirTyson in #4670
• Use raii lock in DownloadBucketsWork by @SirTyson in #4675
• Load generator: add a new mode to pre-generate load offline by @marta-lokhova in #4671
• Fix soroban test upgrades by @SirTyson in #4654
• Fixed loadgen bug for soroban upgrades by @SirTyson in #4679
• Bump XDR/p23 env to pick up CAP-67 changes. by @dmkozh in #4676
• CAP-67 part 1 - new unified events framework by @jayz22 in #4672
• Emit most classic events by @sisuresh in #4685
• Remove from_muxed_id and allow memo/muxed info in mint event by @sisuresh in #4691
• Events invariants by @sisuresh in #4689
• Add more test coverage for fee bump feeCharged value. by @dmkozh in #4694
• Fix the tx count metric by @dmkozh in #4695
• Don't emit memos for inflation and trades by @sisuresh in #4693
• CAP-0065 - Reusable module cache by @graydon in #4621
• Emit fee events and add more tests by @jayz22 in #4690
• Initial algorithm for nominating valid 'parallel' tx sets. by @dmkozh in #4486
• Add config option to skip some validator checks for testing by @bboston7 in #4703
• Split up rust bridge by @graydon in #4707
• More fixes to fee bump tx tests. by @dmkozh in #4708
• Remove limit on QUERY_SNAPSHOT_LEDGERS by @leighmcculloch in #4683
• History Archive Support for State Archival by @SirTyson in #4610
• Update core for p23 features implemented thus far. by @dmkozh in #4719
• Skip unnecessary checkValid calls on blocks by @marta-lokhova in #4711
• Adapt fee events to TransactionEvent and emit stage by @jayz22 in #4716
• Cleanup some redundant comments. by @dmkozh in #4720
• Revert unintentional rename of sorobaninfo fields. by @dmkozh in #4723
• Switch log level from DEBUG to INFO for few of them in history archive publishing path by @anupsdf in #4724
• Refactor transaction meta and results. by @dmkozh in #4687
• Remove experimental BucketListDB flags by @SirTyson in #4728
• Autorestore by @SirTyson in #4726
• Drop experimental background overlay flag by @marta-lokhova in #4734
• Update xdr and adapt to LCM v2 by @sisuresh in #4731
• Fix build by @sisuresh in #4735
• Introduce daily RND_SEED in CI test partitions by @marta-lokhova in #4737
• getledgerentry endpoint for RPC by @SirTyson in #4721
• Disk read resource by @SirTyson in #4733

Full Changelog: v22.2.0...v23.0.0rc.1

v22.3.0

Stability improvements

• Win compile fix march2025 by @MonsieurNicolas in #4669
• Switch in-memory index to hash set by @SirTyson in #4665
• Update metrics and example config based on current implemention by @marta-lokhova in #4664
• Change expensive timer metrics to trend counters by @SirTyson in #4670
• Use raii lock in DownloadBucketsWork by @SirTyson in #4675
• Fix soroban test upgrades by @SirTyson in #4654
• Removed peer authenticated assert in Floodgate::broadcast by @SirTyson in #4680
• Fix core assert failure in debug logging mode by @marta-lokhova in #4681
• BucketSnapshotManager Race by @SirTyson in #4702
• LedgerTxn::getHeader cleanup by @marta-lokhova in #4698
• Startup bug fix by @SirTyson in #4701
• Remove redundant loads from checkValid path by @SirTyson in #4704
• Disable LTX cache when BucketList is in memory by @SirTyson in #4706
• Overlay cleanup and additional tests by @marta-lokhova in #4713
• Incorporate clang thread-safety static analysis into core by @marta-lokhova in #4727

New features

• Load generator: add a new mode to pre-generate load offline by @marta-lokhova in #4671
• Introduce an experimental flag to batch transactions to flood by @marta-lokhova in #4692
• Add config option to skip some validator checks for testing (for v22.3.0 release) by @bboston7 in #4709
• Add option to validate transaction signatures in the background by @bboston7 in #4699

Full Changelog: v22.2.0...v22.3.0

v22.3.0rc2

What's Changed

• Incorporate clang thread-safety static analysis into core by @marta-lokhova in #4727

Full Changelog: v22.3.0rc1...v22.3.0rc2

v22.3.0rc1

What's Changed

• Win compile fix march2025 by @MonsieurNicolas in #4669
• Switch in-memory index to hash set by @SirTyson in #4665
• Update metrics and example config based on current implemention by @marta-lokhova in #4664
• Change expensive timer metrics to trend counters by @SirTyson in #4670
• Use raii lock in DownloadBucketsWork by @SirTyson in #4675
• Load generator: add a new mode to pre-generate load offline by @marta-lokhova in #4671
• Fix soroban test upgrades by @SirTyson in #4654
• Removed peer authenticated assert in Floodgate::broadcast by @SirTyson in #4680
• Fix core assert failure in debug logging mode by @marta-lokhova in #4681
• BucketSnapshotManager Race by @SirTyson in #4702
• LedgerTxn::getHeader cleanup by @marta-lokhova in #4698
• Introduce an experimental flag to batch transactions to flood by @marta-lokhova in #4692
• Startup bug fix by @SirTyson in #4701
• Add config option to skip some validator checks for testing (for v22.3.0 release) by @bboston7 in #4709
• Add option to validate transaction signatures in the background by @bboston7 in #4699
• Remove redundant loads from checkValid path by @SirTyson in #4704
• Disable LTX cache when BucketList is in memory by @SirTyson in #4706
• Overlay cleanup and additional tests by @marta-lokhova in #4713

Full Changelog: v22.2.0...v22.3.0rc1

v22.2.0

Stability improvements

• Apply load improvements by @dmkozh in #4539
• In memory testing by @SirTyson in #4562
• Fixed prefetch metric and intialized all point load metrics on startup by @SirTyson in #4568
• Extend nomination monte carlo simulations to analyze timeouts by @bboston7 in #4574
• Add loadgen "stop" mode by @marta-lokhova in #4579
• Remove SQL for (most) Ledger State by @SirTyson in #4575
• Change github action files to ubuntu-22.04 by @SirTyson in #4587
• Some Soroban loadgen/test fixes. by @dmkozh in #4578
• Drop support for cursors by @marta-lokhova in #4580
• Update apply-load docs by @sisuresh in #4594
• Update security protocol release notes by @sisuresh in #4595
• Update INVARIANT_CHECKS documentation in stellar-core_example.cfg by @anupsdf in #4598
• Use re-calibrated costs for loadgen. by @dmkozh in #4601
• Add missing metrics to metrics.md by @sisuresh in #4600
• Make read-only ledger state const by @marta-lokhova in #4602
• Add an additional flag protection for the Soroban cost calibration in loadgen by @dmkozh in #4604
• Update survey script docs to reflect recent changes. by @bboston7 in #4599
• Update the Visual Studio project by @dmkozh in #4606
• Initial support for parallel Soroban phase XDR. by @dmkozh in #4364
• Fix asan temp var issue and improve comments by @marta-lokhova in #4611
• Fix acceptance tests by @marta-lokhova in #4615
• Ensure all transactions succeed in loadgen test. by @dmkozh in #4616
• Harden bloom filter vector access by @SirTyson in #4619
• Bump minimum overlay version to 35 by @bboston7 in #4622
• Add support for the max number of dependent tx clusters per ledger setting by @dmkozh in #4609
• Fix tests in --disable-postgres build by @bboston7 in #4626
• Refactor TxSet validation logic. by @dmkozh in #4627
• remove import of <asm-generic/errno.h> in src/bucket/InMemoryIndex.cpp by @ThomasBrady in #4636
• Fixed inter ledger restore bug in p23 by @SirTyson in #4639
• move template class member to correct TU for explicit instantiation by @graydon in #4643
• BucketListDB Random Eviction Cache by @SirTyson in #4632
• Add function to allow checking thread type by @bboston7 in #4645
• Apply buckets optimization by @SirTyson in #4634
• Rename various close things to apply, add comment. by @graydon in #4647
• Increase maximum number of postgres connections used in tests by @SirTyson in #4649
• Fix race in DownloadBucketsWork by @SirTyson in #4651
• re-test sorobans against their observations with core-chosen rust compiler by @graydon in #4652
• Changed random eviction cache to accounts only by @SirTyson in #4650
• Better behavior when BucketListDB account cache disabled by @SirTyson in #4656
• Unified iterating through txset history entries by @SirTyson in #4655
• Cleanups and fixes to maintenance by @marta-lokhova in #4657
• Legacy tx sets: avoid using read-only LCL meant for main thread only by @marta-lokhova in #4659
• Remove support for old V1 survey by @bboston7 in #4660
• Reduce BucketListDB configs by @SirTyson in #4661
• Fixed counter bug in in-memory bucket indexes by @SirTyson in #4668

New features

• Parallel ledger close by @marta-lokhova in #4543
• Evict persistent entries to Hot Archive by @SirTyson in #4585
• Hot archive tx apply by @SirTyson in #4603
• Update Soroban settings files for SLP-0001 by @sisuresh in #4571
• Update pubnet and testnet soroban settings for phase 7 by @sisuresh in #4648
• BucketListDB in-memory Buckets by @SirTyson in #4630

Breaking changes

• BucketListDB is mandatory in this release so the config flag DEPRECATED_SQL_LEDGER_STATE will be ignored. This means the following SQL tables will be unconditionally dropped:
  ACCOUNT
  TRUSTLINE
  DATA
  CLAIMABLE_BALANCE
  LIQUIDITY_POOL
  CONTRACT_DATA
  CONTRACT_CODE
  CONFIG_SETTING
  TTL
  TXSETHISTORY
  TXHISTORY

Migration Notes

After upgrading, there will be a one time slow start-up. Bucket indexes have been upgraded to a new version and the older indexes need to be migrated to the new format.

Future deprecation warning

• In the next release, DEPRECATED_SQL_LEDGER_STATE will be removed

Known issues

Protocol issues:
https://github.com/orgs/stellar/projects/52

Full Changelog: v22.1.0...v22.2.0

v22.2.0rc2

What's Changed

• Fixed counter bug in in-memory bucket indexes by @SirTyson in #4668

Full Changelog: v22.2.0rc1...v22.2.0rc2

v22.2.0rc1

Stability improvements

• Apply load improvements by @dmkozh in #4539
• In memory testing by @SirTyson in #4562
• Fixed prefetch metric and intialized all point load metrics on startup by @SirTyson in #4568
• Extend nomination monte carlo simulations to analyze timeouts by @bboston7 in #4574
• Add loadgen "stop" mode by @marta-lokhova in #4579
• Remove SQL for (most) Ledger State by @SirTyson in #4575
• Change github action files to ubuntu-22.04 by @SirTyson in #4587
• Some Soroban loadgen/test fixes. by @dmkozh in #4578
• Drop support for cursors by @marta-lokhova in #4580
• Update apply-load docs by @sisuresh in #4594
• Update security protocol release notes by @sisuresh in #4595
• Update INVARIANT_CHECKS documentation in stellar-core_example.cfg by @anupsdf in #4598
• Use re-calibrated costs for loadgen. by @dmkozh in #4601
• Add missing metrics to metrics.md by @sisuresh in #4600
• Make read-only ledger state const by @marta-lokhova in #4602
• Add an additional flag protection for the Soroban cost calibration in loadgen by @dmkozh in #4604
• Update survey script docs to reflect recent changes. by @bboston7 in #4599
• Update the Visual Studio project by @dmkozh in #4606
• Initial support for parallel Soroban phase XDR. by @dmkozh in #4364
• Fix asan temp var issue and improve comments by @marta-lokhova in #4611
• Fix acceptance tests by @marta-lokhova in #4615
• Ensure all transactions succeed in loadgen test. by @dmkozh in #4616
• Harden bloom filter vector access by @SirTyson in #4619
• Bump minimum overlay version to 35 by @bboston7 in #4622
• Add support for the max number of dependent tx clusters per ledger setting by @dmkozh in #4609
• Fix tests in --disable-postgres build by @bboston7 in #4626
• Refactor TxSet validation logic. by @dmkozh in #4627
• remove import of <asm-generic/errno.h> in src/bucket/InMemoryIndex.cpp by @ThomasBrady in #4636
• Fixed inter ledger restore bug in p23 by @SirTyson in #4639
• move template class member to correct TU for explicit instantiation by @graydon in #4643
• BucketListDB Random Eviction Cache by @SirTyson in #4632
• Add function to allow checking thread type by @bboston7 in #4645
• Apply buckets optimization by @SirTyson in #4634
• Rename various close things to apply, add comment. by @graydon in #4647
• Increase maximum number of postgres connections used in tests by @SirTyson in #4649
• Fix race in DownloadBucketsWork by @SirTyson in #4651
• re-test sorobans against their observations with core-chosen rust compiler by @graydon in #4652
• Changed random eviction cache to accounts only by @SirTyson in #4650
• Better behavior when BucketListDB account cache disabled by @SirTyson in #4656
• Unified iterating through txset history entries by @SirTyson in #4655
• Cleanups and fixes to maintenance by @marta-lokhova in #4657
• Legacy tx sets: avoid using read-only LCL meant for main thread only by @marta-lokhova in #4659
• Remove support for old V1 survey by @bboston7 in #4660
• Reduce BucketListDB configs by @SirTyson in #4661

New features

• Parallel ledger close by @marta-lokhova in #4543
• Evict persistent entries to Hot Archive by @SirTyson in #4585
• Hot archive tx apply by @SirTyson in #4603
• Update Soroban settings files for SLP-0001 by @sisuresh in #4571
• Update pubnet and testnet soroban settings for phase 7 by @sisuresh in #4648
• BucketListDB in-memory Buckets by @SirTyson in #4630

Breaking changes

• BucketListDB is mandatory in this release so the config flag DEPRECATED_SQL_LEDGER_STATE will be ignored. This means the following SQL tables will be unconditionally dropped:
  ACCOUNT
  TRUSTLINE
  DATA
  CLAIMABLE_BALANCE
  LIQUIDITY_POOL
  CONTRACT_DATA
  CONTRACT_CODE
  CONFIG_SETTING
  TTL
  TXSETHISTORY
  TXHISTORY

Migration Notes

After upgrading, there will be a one time slow start-up. Bucket indexes have been upgraded to a new version and the older indexes need to be migrated to the new format.

Future deprecation warning

• In the next release, DEPRECATED_SQL_LEDGER_STATE will be removed

Known issues

Protocol issues:
https://github.com/orgs/stellar/projects/52

Full Changelog: v22.1.0...v22.2.0rc1

v22.1.0

Stability Fixes

• fsync on BucketIndex writes by @SirTyson in #4549. Improve crash-resistance of bucket index files.
• Add docs for Ubuntu 24.04 builds by @SirTyson in #4505
• Document TRY_AGAIN_LATER and FILTERED error codes in tx endpoint by @marta-lokhova in #4499
• Fix tracy by @graydon in #4500
• Skip DB migration on nodes where publish is disabled by @marta-lokhova in #4509
• error -> warn on archive access issues by @ThomasBrady in #4508
• Do not attempt to recover files when minimal catchup is performed by @marta-lokhova in #4513
• Clean RUST_TARGET_DIR when soroban rlibs change by @graydon in #4510
• Split out --enable-tracy-memory-tracking, disabled by default by @graydon in #4512
• Update stellar-core p22 env submodule to rc3 by @anupsdf in #4515
• Revert downgrading of log error->warn->error by @ThomasBrady in #4511
• Extract rust-toolchain.toml channel, pass to submodules by @graydon in #4518
• Update soroban p21 version to 21.2.2, taking binary-search change. by @graydon in #4519
• More asan and tracy fixes by @graydon in #4525
• Resource calculator: rework to calculate multiple deployment phases at once by @MonsieurNicolas in #4532
• Error and exit on validator configs that contain only LOW validators by @bboston7 in #4528
• Fix incorrect argument names for --trusted-hash-file in commands.md by @ThomasBrady in #4531
• Cleanup apply and validation flows by @marta-lokhova in #4471
• Add a test that covers transaction set building logic on randomized data. by @dmkozh in #4507
• Misc fixes/improvements for tx generator. by @dmkozh in #4529
• Bump core to env v22.0.0 commit and fix build by @sisuresh in #4537
• Wait on merges in apply-load by @sisuresh in #4538
• Update resource calculator with latest soroban resource limits by @anupsdf in #4540
• Rewrite versioning-soroban.md to account for recent changes by @graydon in #4514
• null check dynamic casts by @SirTyson in #4548
• De-dupe inbound SCP traffic by @marta-lokhova in #4544
• Harden publishing by @marta-lokhova in #4555
• Archival bucketlist by @SirTyson in #4403
• Improves stellar-core-debug-info script and adds docs by @SirTyson in #4553
• Visual C++ - don't pass the release flag to cargo for debug builds by @MonsieurNicolas in #4560
• Handle soroban loadgen mode misconfig gracefully by @ThomasBrady in #4559
• Remove extra arg in LedgerCloseData constructor call for non buildtest by @ThomasBrady in #4563

New Features

• Incremental verify checkpoints by @ThomasBrady in #4487
• Enable background overlay by default, drop 'experimental' prefix by @marta-lokhova in #4534
• Add new catchup mode to use transaction results to skip failed transaction and signature verification by @ThomasBrady in #4536
• Add script to generate transaction histograms from Hubble data by @bboston7 in #4554

Breaking Changes

• publish: build checkpoint files during ledger close by @marta-lokhova in #4446. Drop support for txhistory, txsethistory and upgradehistory SQL tables. Drop --force-back option from run command.

Future Deprecation Warning

• The support for --in-memory mode will be dropped in the next release.
• The support for cursors will be dropped in the next release.
• The support for DEPRECATED_SQL_LEDGER_STATE will be removed and SQL support for ledger state (other than offers) will be removed. The following tables will be dropped:
  • ACCOUNT
  • TRUSTLINE
  • DATA
  • CLAIMABLE_BALANCE
  • LIQUIDITY_POOL
  • CONTRACT_DATA
  • CONTRACT_CODE
  • CONFIG_SETTING
  • TTL
  • TXSETHISTORY
  • TXHISTORY

Full Changelog: v22.0.0...v22.1.0rc2

v22.1.0rc1

Stability Fixes

• fsync on BucketIndex writes by @SirTyson in #4549. Improve crash-resistance of bucket index files.
• Add docs for Ubuntu 24.04 builds by @SirTyson in #4505
• Document TRY_AGAIN_LATER and FILTERED error codes in tx endpoint by @marta-lokhova in #4499
• Fix tracy by @graydon in #4500
• Skip DB migration on nodes where publish is disabled by @marta-lokhova in #4509
• error -> warn on archive access issues by @ThomasBrady in #4508
• Do not attempt to recover files when minimal catchup is performed by @marta-lokhova in #4513
• Clean RUST_TARGET_DIR when soroban rlibs change by @graydon in #4510
• Split out --enable-tracy-memory-tracking, disabled by default by @graydon in #4512
• Update stellar-core p22 env submodule to rc3 by @anupsdf in #4515
• Revert downgrading of log error->warn->error by @ThomasBrady in #4511
• Extract rust-toolchain.toml channel, pass to submodules by @graydon in #4518
• Update soroban p21 version to 21.2.2, taking binary-search change. by @graydon in #4519
• More asan and tracy fixes by @graydon in #4525
• Resource calculator: rework to calculate multiple deployment phases at once by @MonsieurNicolas in #4532
• Error and exit on validator configs that contain only LOW validators by @bboston7 in #4528
• Fix incorrect argument names for --trusted-hash-file in commands.md by @ThomasBrady in #4531
• Cleanup apply and validation flows by @marta-lokhova in #4471
• Add a test that covers transaction set building logic on randomized data. by @dmkozh in #4507
• Misc fixes/improvements for tx generator. by @dmkozh in #4529
• Bump core to env v22.0.0 commit and fix build by @sisuresh in #4537
• Wait on merges in apply-load by @sisuresh in #4538
• Update resource calculator with latest soroban resource limits by @anupsdf in #4540
• Rewrite versioning-soroban.md to account for recent changes by @graydon in #4514
• null check dynamic casts by @SirTyson in #4548
• De-dupe inbound SCP traffic by @marta-lokhova in #4544
• Harden publishing by @marta-lokhova in #4555
• Archival bucketlist by @SirTyson in #4403
• Improves stellar-core-debug-info script and adds docs by @SirTyson in #4553
• Visual C++ - don't pass the release flag to cargo for debug builds by @MonsieurNicolas in #4560
• Handle soroban loadgen mode misconfig gracefully by @ThomasBrady in #4559
• Remove extra arg in LedgerCloseData constructor call for non buildtest by @ThomasBrady in #4563

New Features

• Incremental verify checkpoints by @ThomasBrady in #4487
• Enable background overlay by default, drop 'experimental' prefix by @marta-lokhova in #4534
• Add new catchup mode to use transaction results to skip failed transaction and signature verification by @ThomasBrady in #4536
• Add script to generate transaction histograms from Hubble data by @bboston7 in #4554

Breaking Changes

• publish: build checkpoint files during ledger close by @marta-lokhova in #4446. Drop support for txhistory, txsethistory and upgradehistory SQL tables. Drop --force-back option from run command.

Future Deprecation Warning

• The support for --in-memory mode will be dropped in the next release.

Full Changelog: v22.0.0...v22.1.0rc2

v22.0.0

Release notes

This is the first Core release supporting protocol 22.

New features in protocol 22

• Constructor support in Soroban: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0058.md.
• Soroban host functions for BLS12-381: https://github.com/stellar/stellar-protocol/blob/master/core/cap-0059.md.

What's Changed

• Update p22 submodule to rs-soroban-env v22.0.0-rc.3 to release/v22.0.0 branch stellar-core rc3 by @anupsdf in #4516
• Bump stellar-core rust version to 1.82 by @anupsdf in #4517
• Update soroban p21 version to 21.2.2, taking binary-search change. by @graydon in #4521
• Build system changes for v22.0.0 by @graydon in #4522
• non-existent entries should not be metered by @ThomasBrady in #4428
• High performance getledgerentry by @SirTyson in #4350
• Enable background eviction by default & drop support for EXPERIMENTAL_BACKGROUND_EVICTION_SCAN by @SirTyson in #4416
• generalize support for multiple soroban hosts by @graydon in #4434
• Check error type by @sisuresh in #4438
• Fix test to not load unused setting by @sisuresh in #4440
• Visual Studio/MSVC build fixes by @dmkozh in #4443
• Soroban upgrades for simulation tests by @ThomasBrady in #4413
• Add support for Soroban constructors (CAP-58) by @dmkozh in #4442
• docs: add overlay intro and fix typos by @marta-lokhova in #4420
• bugfix: guard access to mNoOutboundCapacity by @marta-lokhova in #4458
• Windows fixes by @MonsieurNicolas in #4449
• initial commit: Jupyter notebook to help estimate network settings by @MonsieurNicolas in #4452
• Switch Soroban tests to always use closeLedger to apply txs. by @dmkozh in #4455
• Fix exception-safety in callbacks from Rust to C++ by @graydon in #4463
• Switch read-only LedgerTxn to BucketList snapshots by @marta-lokhova in #4431
• Cache BL snapshot for re-use by @marta-lokhova in #4465
• ✍🏿 Capitalize headers for clarity by @JFWooten4 in #4460
• Change default test backend to BucketListDB by @SirTyson in #4462
• Use TESTDB_IN_MEMORY_OFFERS in BucketListIsConsistentWithDatabaseTests by @sisuresh in #4466
• Bucket entry counters and metrics by @ThomasBrady in #4436
• Update weight function to fix bias in nomination by @bboston7 in #4453
• Add 'phase 1' testnet settings that we need to apply after every reset. by @dmkozh in #4467
• Apply time benchmarking by @sisuresh in #4402
• tx queue update by @sisuresh in #4468
• Add SOROBAN_TEST_EXTRA_PROTOCOL for side-by-side testing by @graydon in #4439
• Fix compiler error when tests are disabled by @SirTyson in #4472
• Update Core to protocol 22. by @dmkozh in #4464
• Multiple rust libraries with submodules by @graydon in #4456
• use --all-targets on cargo tree by @graydon in #4474
• Added Ubuntu 24.04 clang-format-12 install instructions by @SirTyson in #4476
• Bump to latest end and update contract cost params for V22 by @sisuresh in #4475
• Try stamp files rather than group rules for sequencing by @graydon in #4478
• Bump env to version with wasmi 0.36.1 by @graydon in #4482
• Fix upgrade validation by @sisuresh in #4485
• Testutils bug(s) by @graydon in #4489
• Fix MSVS project. by @dmkozh in #4490
• Bump env to 22.0.0-rc2 by @sisuresh in #4494
• Update v22 cost types for rolling back wasmi change by @sisuresh in #4495
• JSON file for proposing phase5 network settings by @anupsdf in #4491

New Contributors

• @JFWooten4 made their first contribution in #4460

Full Changelog: v21.3.1...v22.0.0rc3