Issues

• blobmap: payloads of 7 bytes or fewer drop hot_meta (AGENTS.md §2.3 item 2)

  orieg/expanse#1548 · Filter by author orieg opened on Oct 16, 2026

• perf(blob): arena-compaction stall follow-ups that need no record-format change

  concurrencymemoryperformance
  orieg/expanse#1481 · Filter by author orieg opened on Oct 12, 2026 · v0.13.0

• perf(sync): waiting writers and the version sample spin with spin_loop only, without a yield, a park or an iteration bound

  concurrencyperformancerust
  orieg/expanse#1479 · Filter by author orieg opened on Oct 12, 2026 · v0.13.0
  1

• perf(sync): SyncExpanseBlobMap::mem_used and mem_held wait for the whole of a compaction

  concurrencyperformancerust
  orieg/expanse#1478 · Filter by author orieg opened on Oct 12, 2026 · v0.13.0

• Triage the open OpenSSF Scorecard code-scanning alerts

  cisecurity
  orieg/expanse#1458 · Filter by author orieg opened on Oct 9, 2026 · v0.13.0

• bench(host-guard): an exact clock, a saturation leg, and a calibrated on-pin boundary

  benchmarkcineeds-ref-hostresearch
  orieg/expanse#1426 · Filter by author orieg opened on Oct 8, 2026 · backlog

• ci(release): decisions left from the pipeline review (Maven re-run, silent channel skips, verify-registries, first rc tag)

  cineeds-decisionpackaging
  orieg/expanse#1425 · Filter by author orieg opened on Oct 8, 2026 · v0.13.0

• ci(release): pin the remaining floating inputs, bring python.yml under the linter, and say what to do next in each gate error

  agent-readycipackagingsecurity
  orieg/expanse#1424 · Filter by author orieg opened on Oct 8, 2026 · backlog

• perf(sync): update registers and drops an epoch reader on every call

  concurrencyneeds-ref-hostperformancerust
  orieg/expanse#1417 · Filter by author orieg opened on Oct 7, 2026 · v0.13.0

• refactor(scripts, benches): share duplicated script helpers and bench workload generators without moving measurements

  agent-readybenchmarkcirefactor
  orieg/expanse#1371 · Filter by author orieg opened on Oct 4, 2026 · backlog

• refactor(perf-sensitive): deduplicate hot-path twins via macro templates, one measured increment at a time

  performancerefactorrust
  orieg/expanse#1370 · Filter by author orieg opened on Oct 4, 2026 · backlog

• refactor(capi, bindings): generate repeated FFI and binding boilerplate; check SDK signatures against expanse.h

  bindingsrefactor
  orieg/expanse#1369 · Filter by author orieg opened on Oct 4, 2026 · backlog

• refactor: deduplicate engine and wrapper code where generated code stays identical

  refactorrust
  orieg/expanse#1368 · Filter by author orieg opened on Oct 4, 2026 · backlog

• refactor: remove dead code, test-only engine paths and stale feature plumbing

  agent-readyrefactorrust
  orieg/expanse#1367 · Filter by author orieg opened on Oct 4, 2026 · backlog

• feat(blob): incremental arena compaction — bounded per-insert evacuation (split from #1300 item 5)

  concurrencyenhancementmemoryneeds-decisionperformance
  orieg/expanse#1320 · Filter by author orieg opened on Oct 1, 2026 · backlog

• concurrency: sync32 group reads step to ~0.75x at T=1/T=4 in 2 of 6 reference-host runs

  benchmarkconcurrencyneeds-ref-host
  orieg/expanse#1292 · Filter by author orieg opened on Sep 30, 2026 · backlog
  3

• SyncExpanseBlobMap 50/50 mixed cells time a failing insert, and every blob removal quiesces the tree

  benchmarkbugconcurrencyneeds-decisionneeds-ref-hostperformance
  orieg/expanse#1280 · Filter by author orieg opened on Sep 29, 2026 · backlog
  3

• research(use-cases): LZ match finding and hashed dedup indexes rejected; extent maps open pending a reference-host run

  research
  orieg/expanse#1250 · Filter by author orieg opened on Sep 28, 2026 · backlog

• bench(diagnostic): count dependent node visits per probe beside Callgrind instruction counts

  benchmarkneeds-ref-hostresearch
  orieg/expanse#1249 · Filter by author orieg opened on Sep 28, 2026 · backlog
  1

• Sync* wrappers: operation gaps (compare_exchange, update, get-or-insert, ordered readers)

  concurrencyenhancementrust
  orieg/expanse#1194 · Filter by author orieg opened on Sep 25, 2026 · v0.13.0
  1

• design(sync): concurrent count / rank / select — bound the pop0 fold, serve counts without quiescing, string-map counts

  concurrencyneeds-decisionneeds-ref-hostresearchrust
  orieg/expanse#1144 · Filter by author orieg opened on Sep 24, 2026 · backlog
  1

• feat(sync-strmap): validated ordered reads and a batch cursor on StrReader

  concurrencyenhancementrust
  orieg/expanse#1143 · Filter by author orieg opened on Sep 24, 2026 · backlog
  1

• packed-suffix: 8-byte size classes for suffix leaves

  blockedenhancementmemoryperformancerust
  orieg/expanse#1109 · Filter by author orieg opened on Sep 23, 2026 · backlog

• shrink_to_fit returns little RSS: released slab pages stay in glibc free chunks

  enhancementmemoryperformancerust
  orieg/expanse#1108 · Filter by author orieg opened on Sep 23, 2026 · backlog

• Structurally shared (persistent) snapshots: option C design record (deferred)

  researchrust
  orieg/expanse#1103 · Filter by author orieg opened on Sep 23, 2026 · backlog