1. Bug WT-2078
    Segfault in cur_stat.c after allocation failure
  2. New Feature TOOLS-1629
    can not mongorestore a sharded cluster with mongo 3.4
  3. Task SERVER-73803
    Update tags for tests that use featureFlagSecurityToken or multitenancySupport
  4. Task SERVER-73786
    Move serverless tests from jstests/replsets to jstests/serverless
  5. Task SERVER-73781
    Add shard_merge_last_continuous passthrough
  6. Task SERVER-73769
    Ensure replica_sets_last_continuous sets FCV to last_continuous
  7. Task SERVER-73768
    'replSetFeatureCompatibilityVersion' seems to be unused
  8. Task SERVER-73767
    'replSetFeatureCompatibilityVersion' seems to be unused
  9. Task SERVER-73688
    Update shard split to be gated on FCV 6.3 rather than FCV 6.2
  10. Task SERVER-73572
    Remove "!.multiversion" from tasks on "~ Shared Library Enterprise RHEL 8.0 v4 Toolchain GCC DEBUG"
  11. Task SERVER-72835
    Do not include 'tid' field in change collection entries
  12. Improvement SERVER-72025
    return blockTimestamp in the commitShardSplit response
  13. Improvement SERVER-72023
    Accommodate rapid_release_only tasks
  14. Task SERVER-72009
    Complete TODO listed in SERVER-70067
  15. Task SERVER-71889
    Test that reads on change collections generate RPU's and that writes do not generate WPU's
  16. Task SERVER-71888
    Test that whole-collection change streams work with change collections
  17. Task SERVER-71625
    Complete TODO listed in SERVER-30068
  18. Improvement SERVER-71559
    MigrationChunkClonerSource is an abstract class with a single implementation
  19. Improvement SERVER-71541
    Rename migration_destination_manager_legacy_commands.cpp to migration_destination_manager_commands.cpp
  20. Bug SERVER-71416
    ShardsvrDropDatabaseParticipantCommand instance is accidentally called sharsvrdDropCollectionParticipantCommand
  21. Task SERVER-70535
    Remove out-of-date section about DDL operations from sharding arch guide
  22. Task SERVER-69236
    Remove TTL index on tenant migration donor state document namespace
  23. Task SERVER-69235
    Remove TTL index on tenant migration recipient state document namespace
  24. Bug SERVER-68985
    Tenant migration donor should set _forgetMigrationDurablePromise even on failover
  25. Bug SERVER-68817
    Coverity analysis defect 122671: Dereference after null check
  26. Task SERVER-68673
    Remove tenant id from tenant migration donor and recipient log lines
  27. Bug SERVER-68438
    Fix PrimaryOnlyService race condition with the PrimaryOnlyServiceClientObserver
  28. Task SERVER-68402
    Split donor should wait for blockTimestamp to be majority committed on donor nodes before sending splitConfig
  29. Task SERVER-68097
    Jscore passthrough suites that talk directly to shardsvrs with background tenant migrations
  30. Task SERVER-67493
    Rename TenantMigrationRecipient's _taskCompletionPromise to _forgetMigrationDurablePromise
  31. Task SERVER-67373
    Make split donor delete its state document in its run method rather than using TTL
  32. Task SERVER-67372
    Make tenant migration recipient delete its state document in its run method
  33. Task SERVER-67365
    Fulfill tenant migration donor's _forgetMigrationDurablePromise in 'then' instead of 'onCompletion'
  34. Task SERVER-67364
    Move and update comment about external keys TTL index in tenant migration donor service
  35. Task SERVER-67362
    Rename TenantMigrationDonor's _completionPromise to _forgetMigrationDurablePromise
  36. Task SERVER-67360
    Rename POS instance's completion future to runCompleteFuture
  37. Task SERVER-67334
    Accessing the opCtx decoration 'tenantIdToDeleteDecoration' from the on-commit hook of TenantMigrationRecipientOpObserver::onDelete() is not safe after the ttl batch deletion feature.
  38. Task SERVER-67137
    Improve logging in TenantMigrationUtil.checkTenantDBHashes
  39. Task SERVER-66985
    Oplog applier should serialize writes to shard split namespace
  40. Task SERVER-66749
    Improve tenant migration donor and recipient currentOp output
  41. Task SERVER-66579
    Initial tests of write heads vs. insert performance for RecordId format
  42. Task SERVER-65478
    Fix race condition when removing tenant migration blockers in shard split
  43. Task SERVER-65337
    Tenant migration, split, and merge POS's should default their thread pools to 0 threads
  44. Task SERVER-65315
    Prevent split concurrent with tenant migration or merge
  45. Task SERVER-65264
    Unexclude tests that run applyOps from talk_directly_to_shardsvrs_jscore_passthrough
  46. Task SERVER-65236
    Make tenant migration donor delete its state doc in its run method
  47. Task SERVER-64869
    Test that replica set can be converted to shardsvr/configsvr with no application downtime
  48. Task SERVER-64868
    Shardsvrs create entries in config.databases
  49. Task SERVER-64867
    Split and merge at tenant boundaries update tenant's config data
  50. Task SERVER-64866
    Split and merge at tenant boundaries support changing a tenant's config shard
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