1. Task WT-18873
    Remove legacy block-cache tests while preserving victim-cache coverage
  2. Task WT-18872
    Remove the legacy block cache from tests
  3. Task WT-18870
    Test Model Switch Mode (4/5): Randomised switch_role generation
  4. Task WT-18869
    Test Model Switch Mode (3/5): Relax switch_role requirements
  5. Task WT-18868
    Test Model Switch Mode (2/5): Synchronous switch_role
  6. Task WT-18867
    Test Model Switch Mode (1/5): Follower-mode foundation
  7. Technical Debt WT-18866
    Remove the .wt_stable name checks at btree open once no database has legacy shared metadata entries
  8. Bug WT-18865
    Fix test/format cache stuck panic over updates trigger in disagg switch stepdown-async after WT-18255 fix
  9. Bug WT-18864
    Potential arithmetic overflow during salvage
  10. Build Failure WT-18863
    unit-test on wiredtiger-mongo-v7.0 zSeries: unknown encoding: hex in test_util18
  11. Build Failure WT-18862
    failed: make-check-test on macos-14 [wiredtiger-mongo-v7.0 @ 1dfc1f84]
  12. Build Failure WT-18861
    failed: format-stress-test-tsan on amazon2023-arm64-tsan [wiredtiger @ f1f6b7e5]
  13. Bug WT-18860
    Complete rwlock session-stat initialization
  14. Bug WT-18859
    Drop named checkpoint fails to clear system metadata when first visited tree does not contain the checkpoint
  15. Improvement WT-18858
    Allow the cursor walk to skip clean in-memory deleted internal pages on writable trees
  16. Build Failure WT-18857
    2.15% decrease in Insert count in Variant ubuntu2004-perf-tests for Task perf-test-update-btree in Test update-btree.wtperf
  17. Bug WT-18856
    Follower ingest modify misses fast-truncate range conflicts
  18. Bug WT-18855
    __wt_checkpoint_file leaves the session checkpoint time set when the config parse fails
  19. Bug WT-18854
    Report layered cursor statistics consistently at the table level
  20. Task WT-18853
    Read-lock acquisition stats skip fast-path lock grants in WiredTiger
  21. Bug WT-18852
    Unexpected stdout from ignoreStdoutPattern being overwritten
  22. Build Failure WT-18851
    10.73% decrease in Read count in Variant amazon2023-perf-tests-arm64 for Task perf-test-small-btree-backup in Test small-btree-backup.wtperf
  23. Bug WT-18850
    WT_SESSION_CHECKPOINT flag and checkpoint_state leak on early exit in __checkpoint_db_internal
  24. Bug WT-18849
    Leak in __wt_layered_table_manager_add_table
  25. Task WT-18848
    Print stable and oldest timestamps in all time window validation failures
  26. Build Failure WT-18847
    4.90% decrease in Insert count in Variant amazon2023-perf-tests-arm64 for Task perf-test-update-btree in Test update-btree.wtperf
  27. Build Failure WT-18846
    7.94% increase in Read count in Variant amazon2023-perf-tests-arm64 for Task perf-test-evict-btree in Test evict-btree.wtperf
  28. Build Failure WT-18845
    7.98% increase in commit_transaction_nanoseconds_90th_percentile in Variant amazon2023-perf-tests-arm64-only for Task cppsuite-api-timing-benchmarks-default-perf in Test api_timing_benchmarks
  29. Build Failure WT-18844
    failed: compatibility-test-for-newer-releases on compatibility-tests [wiredtiger @ deee5a96]
  30. Build Failure WT-18843
    failed: unit-test-extra-long on ubuntu2004-nonstandalone [wiredtiger @ deee5a96]
  31. Build Failure WT-18842
    failed: many-collection-test on ubuntu2004-perf-tests [wiredtiger @ 93a2c434]
  32. Improvement WT-18840
    Add a statistic for stable tables with suspected stripped configuration
  33. Bug WT-18839
    Follower layered cursor iteration violates read-your-own-writes after writes through another cursor
  34. Build Failure WT-18838
    9.88% decrease in Read ops per sec in Variant amazon2023-perf-tests-arm64 for Task perf-test-ycsb-100read-mongodb-hvw-like-out-of-cache in Test ycsb-100read-mongodb-hvw-like-out-of-cache.wtperf
  35. Build Failure WT-18837
    task-timed-out: format-stress-asan-test-4 on amazon2023-arm64-asan [wiredtiger-mongo-v9.0 @ 84f0d17e]
  36. Build Failure WT-18836
    failed: unit-test on amazon2023-arm64-nonstandalone [wiredtiger @ 81fc9ba1]
  37. Task WT-18834
    Ignore WiredTigerStat.* file in database size perf metrics
  38. Task WT-18833
    Add per-history-store-instance statistics for full-image vs. delta page writes
  39. Bug WT-18832
    Victim cache stores plaintext page images, so it can't serve encrypted tables
  40. Technical Debt WT-18831
    Include keys in the obsolete byte btree statistics
  41. Bug WT-18830
    format-stress-test-disagg-multi-snapshot-read: WT_ASSERT(prev_onpage->next == tmp) in __split_multi_inmem during dirty eviction
  42. Improvement WT-18829
    Eviction candidate supply is capped when dirty content is spread across many trees (high data handle count)
  43. Build Failure WT-18828
    failed: model-test-long on ubuntu2004 [wiredtiger-mongo-v8.0 @ c93d0776]
  44. Build Failure WT-18827
    Fix random failure in test_layered_delta12
  45. Bug WT-18826
    Optimize first-fit block allocation from O(n) avail-list linear scan to O(buckets) by-size lookup to eliminate live_lock contention during compaction
  46. Epic WT-18825
    Binary decode and wt utility improvements
  47. Epic WT-18824
    Compaction behaviour and throttling
  48. Epic WT-18823
    Improve test/model workload coverage
  49. Bug WT-18822
    dist/s_stat misses unused statistics fields hidden by token pasting and digit-bearing bucket names
  50. Build Failure WT-18821
    4.31% decrease in Read ops per sec in Variant amazon2023-perf-tests-arm64 for Task perf-test-ycsb-95read5update-mongodb-hvw-like-in-cache in Test ycsb-95read5update-mongodb-hvw-like-in-cache.wtperf
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