1. Task WT-16118
    [DS] Readback and validate WT pages
  2. Build Failure WT-16117
    test/format (disagg.mode=leader) reconcile assertion hit
  3. Task WT-16116
    Handle unpacking prepared tombstones from stable table in standby
  4. Task WT-16115
    Fix __wt_struct_check for fixed length value
  5. Task WT-16114
    Enable disagg leader mode format testing on ASAN/MSAN & PR
  6. Task WT-16113
    Consolidate disagg leader data validation into main format stress tests
  7. Build Failure WT-16112
    failed: many-collection-test on amazon2023-perf-tests-arm64 [wiredtiger @ 491453b6]
  8. Bug WT-16111
    Remove format-stress-test-no-barrier evergreen task and delete NON_BARRIER_DIAGNOSTIC_YIELDS flag
  9. Task WT-16110
    Investigate what is the correct memory ordering for btree->sync_session and btee->syncing
  10. Bug WT-16109
    Coverity analysis defect 183624: Explicit null dereferenced
  11. Improvement WT-16108
    Remove documentation and any other dangling references to FLCS
  12. Task WT-16107
    Investigation into cache eviction in QE
  13. Task WT-16106
    Add stats to track the number of dirty and clean ingest table pages and stable table pages in-memory
  14. Improvement WT-16105
    Remove pg_fix_bitf, pg_fix_numtws, pg_fix_tws & RTS references to FLCS.
  15. Task WT-16104
    Skip checkpoint if we are the standby
  16. Improvement WT-16103
    Remove FLCS from bt_curprev|next.c
  17. Task WT-16102
    Bypass cursor checks on standby for layered cursor
  18. Build Failure WT-16101
    failed: cppsuite-hs-cleanup-default on ubuntu2004-ubsan [wiredtiger-mongo-v6.0 @ 25a568e0]
  19. Build Failure WT-16100
    failed: perf-test-medium-btree-backup on amazon2023-perf-tests-arm64 [wiredtiger @ 32d5a819]
  20. Task WT-16099
    s_all check for WT_DHANDLE_CLEAR macro
  21. Bug WT-16098
    MongoDB crash in page read
  22. Bug WT-16097
    search_near fails on follower
  23. Task WT-16096
    Investigate and reduce excessive "read timestamp less than oldest timestamp" WT logs
  24. Build Failure WT-16095
    6.68% increase in default_next_nanoseconds_90th_percentile in Variant ubuntu2004-perf-tests for Task cppsuite-bounded-cursor-perf-stress-perf in Test bounded_cursor_perf
  25. Build Failure WT-16094
    47.57% increase in set_bounds_non-compiled_nanoseconds_90th_percentile in Variant amazon2023-perf-tests-arm64 for Task cppsuite-bounded-cursor-perf-stress-perf in Test bounded_cursor_perf
  26. Build Failure WT-16093
    3.20% increase in timestamp_transaction_uint_instructions in Variant amazon2023-perf-tests-arm64-only for Task cppsuite-api-instruction-count-benchmarks-default-perf in Test api_instruction_count_benchmarks
  27. Build Failure WT-16092
    test/format (disagg.mode=leader) OOO keys detected
  28. Improvement WT-16091
    Allow compression adjustment for 16 KB leaf pages
  29. Improvement WT-16090
    Remove wt2246_col_append/main.c
  30. Task WT-16089
    Remove flatten_leaf_page_delta config from the WiredTiger configuration
  31. Build Failure WT-16088
    2.26% increase in stat_db_size in Variant ubuntu2004-perf-tests for Task cppsuite-operations-test-stress-perf in Test operations_test
  32. Build Failure WT-16087
    failed: checkpoint-filetypes-predictable-test on amazon2023-disagg-stress [wiredtiger @ c43f6ff4]
  33. Build Failure WT-16086
    test/format (disagg.mode=leader, PALite) Delta chain backlink_lsn mismatch
  34. Build Failure WT-16085
    __rec_hs_next_upd_full_value assertion failed: upd->type == 3
  35. Task WT-16084
    Design how re-reconciling in memory pages could use less I/O
  36. Build Failure WT-16083
    Fix newly detected ASAN warnings
  37. Build Failure WT-16082
    ASAN hides memory leaks in python tests when executed in parallel
  38. Improvement WT-16081
    Rename WT_PAGE_COL_FIX to WT_PAGE_COL_FIX_DEPRECATED and remove references to WT_PAGE_COL_FIX
  39. Bug WT-16080
    Update restore on an empty page leads to block leakage in disagg
  40. Build Failure WT-16079
    28.52% decrease in Update count under sec in Variant ubuntu2004-perf-tests for Task perf-cache_update_trigger_read-90_write-10 in Test cache_update_trigger_read-90_write-10.py
  41. Build Failure WT-16078
    14.59% decrease in Average checkpoint duration in Variant amazon2023-perf-tests-arm64 for Task many-collection-test in Test many-collection-test
  42. Build Failure WT-16077
    48.09% decrease in Average queries in Variant ubuntu2004-perf-tests for Task many-collection-test in Test many-collection-test
  43. Build Failure WT-16076
    5.21% decrease in Insert count in Variant amazon2023-perf-tests-arm64 for Task perf-test-update-btree in Test update-btree.wtperf
  44. Build Failure WT-16075
    18.26% decrease in stat_db_size in Variant amazon2023-perf-tests-arm64 for Task cppsuite-hs-cleanup-default-perf in Test hs_cleanup
  45. Build Failure WT-16074
    18.61% increase in Update count under sec in Variant amazon2023-perf-tests-arm64 for Task perf-cache_dirty_trigger_read-90_write-10 in Test cache_dirty_trigger_read-90_write-10.py
  46. Build Failure WT-16073
    5.05% increase in default_next_nanoseconds_90th_percentile in Variant amazon2023-perf-tests-arm64 for Task cppsuite-bounded-cursor-perf-stress-perf in Test bounded_cursor_perf
  47. Build Failure WT-16072
    failed: spinlock-gcc-test on ubuntu2004 [wiredtiger @ ec2c91c5]
  48. Improvement WT-16071
    Investigate if WT_SESSION::reconfigure has to always reset open cursors
  49. Build Failure WT-16070
    Empty delta on reconciliation error
  50. Build Failure WT-16069
    wt_modify_reconstruct_from_upd_list failing assertion that upd->type == 3
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