PostgreSQL Mailing Lists Messages per month, whole archive; fix-linked = the thread is eventually cited by a commit (recent months right-censored). The last point is the current month, still filling — a partial count, not a dropMonthly List Traffic vs Fix-Linked TrafficMessages per month, whole archive; fix-linked = the thread is eventually cited by a commit (recent months right-censored). The last point is the current month, still filling — apartial count, not a dropJul2020OctJan2021AprJulOctJan2022AprJulOctJan2023AprJulOctJan2024AprJulOctJan2025AprJulOctJan2026AprJul01,0002,0003,0004,000pgsql-bugs - Fix linkedpgsql-bugs - Allpgsql-hackers - Fix linkedpgsql-hackers - AllPercent of each month's messages in commit-cited threads; the recent sag is right-censoring, not less fix workFix-Linked Share of Monthly TrafficPercent of each month's messages in commit-cited threads; the recent sag is right-censoring, not less fix workJul2020OctJan2021AprJulOctJan2022AprJulOctJan2023AprJulOctJan2024AprJulOctJan2025AprJulOctJan2026AprJul0.0%20.0%40.0%60.0%80.0%pgsql-bugspgsql-hackersNear-term zoom: messages per week vs the fix-linked subset. The last point is the current week, still filling — a partial count, not a dropWeekly List Traffic, Last Three MonthsNear-term zoom: messages per week vs the fix-linked subset. The last point is the current week, still filling — a partial count, not a dropAug20260200400600800pgsql-bugs - Fix linkedpgsql-bugs - Allpgsql-hackers - Fix linkedpgsql-hackers - AllHeavily right-censored — recent threads have had little time to be citedFix-Linked Share of Weekly Traffic, Last Three MonthsHeavily right-censored — recent threads have had little time to be citedAug20260.0%20.0%40.0%60.0%80.0%pgsql-bugspgsql-hackersThreads started, stacked by what they led to: a backpatched fix, beta stabilization, trunk feature work, or no citing commit (yet). Recent months right-censoredNew Pgsql-Hackers Threads per Month, by OutcomeThreads started, stacked by what they led to: a backpatched fix, beta stabilization, trunk feature work, or no citing commit (yet). Recent months right-censoredJul2020OctJan2021AprJulOctJan2022AprJulOctJan2023AprJulOctJan2024AprJulOctJan2025AprJulOctJan2026AprJul0100200300not citedtrunk workbackpatched fixbeta stabilization 9 Median days: thread start to first citing commit 48% Last year's new threads cited by a commit 15% Last year's new threads cited by a backpatched fix Distinct threads referenced by master commits' Discussion: trailers (UTC months)Cited Discussion Threads per Month, by SourceDistinct threads referenced by master commits' Discussion: trailers (UTC months)Jul2020OctJan2021AprJulOctJan2022AprJulOctJan2023AprJulOctJan2024AprJulOctJan2025AprJulOctJan2026AprJul0100200unsourcedembargoed securitypgsql-bugspgsql-hackers First message names an AI tool and what it did; reviewed by hand. A thread can carry several rolesThreads Disclosing AI Involvement, by RoleFirst message names an AI tool and what it did; reviewed by hand. A thread cancarry several rolesJan2025AprJulOctJan2026AprJul010203040analyzed itwrote the codefound the bugbuilt a toolCount of new threads whose first message discloses AI involvementAI-involved Threads per Month, by ListCount of new threads whose first message discloses AI involvementJan2025AprJulOctJan2026AprJul0102030pgsql-hackerspgsql-bugs AI-involved ThreadsStarted dtList nameSubjectRolesVendorFormLabelsourceIs acted uponIsacte…8 Sep 2026pgsql-hackersTrying to break online checksums with LLMsanalyzedanthropicprosemodelFalse4 Sep 2026pgsql-hackersFOR PORTION OF bugsfoundunspecifiedprosemodelFalse3 Sep 2026pgsql-hackersFix resource leak in FindConflictTuple() retry pathauthoredanthropicprosemodelFalse3 Sep 2026pgsql-hackerspg_stat_progress_cluster: do not default to CLUSTERtoolingunspecifiedprosemodelTrue2 Sep 2026pgsql-hackersREPACK (CONCURRENTLY) can crash a logical decoding sessionanalyzedanthropicprosereviewTrue2 Sep 2026pgsql-hackersFollow-up review items for update_deletedfound + analyzedanthropicprosereviewTrue1 Sep 2026pgsql-hackersOOM kill during planning - pg_terminate_backend is ignoredanalyzedunspecifiedprosereviewFalse31 Aug 2026pgsql-hackersTemporal foreign key actionstoolinganthropicprosereviewFalse31 Aug 2026pgsql-hackersPrevent foreign key references to unlogged partitionsfoundanthropicprosereviewFalse30 Aug 2026pgsql-hackerspgbench Common Library Extraction & Server ExtensionauthoredunspecifiedprosereviewFalse29 Aug 2026pgsql-hackers[PATCH] Fix getopt_long() argument handling and add testsanalyzedunspecifiedprosereviewTrue28 Aug 2026pgsql-hackersPublication of same parent table with ONLY-ness mismatch should erroranalyzedunspecifiedprosereviewFalse28 Aug 2026pgsql-hackersRouted ON CONFLICT inserts broken by partition-local deferrable unique constraints in 19 and masterfoundanthropicprosereviewFalse27 Aug 2026pgsql-hackerspg_get_*_ddl() needs a redesignanalyzedanthropicprosereviewFalse27 Aug 2026pgsql-hackerspg_*_advice: tsv load failure, etc.analyzed + authoredanthropicprosereviewTrue27 Aug 2026pgsql-hackers64-bit MultiXactOffset vs. 9.3->9.4 upgrade, pg_resetwal, "wraparound" msgfound + analyzedanthropicprosereviewFalse26 Aug 2026pgsql-hackersEUC_* ILIKE index scan stopped matching seq scan in v19found + toolinganthropicprosereviewTrue26 Aug 2026pgsql-hackersIdentifier downcase change for LATIN1, in v19foundanthropicprosereviewTrue25 Aug 2026pgsql-hackersscary patch contestanalyzedanthropicprosereviewFalse25 Aug 2026pgsql-hackersMore partition pruning bugs with multi-column RANGE partitionsfoundanthropicprosereviewTrue1–20 / 83‹12…5› Data as of 21:42 UTC on 26 Oct 2026 made withdbt Charts