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OpenADS v1.09.25

WAN latency: USE ~4 RTTs → ~2, voucher save ~24 → ~4 (RDD-only apps, no app changes)

Follow-up to v1.09.24 (write coalescing). This release attacks the other half of the WAN bill: table opens, which Vouch-style apps pay every few seconds all session long.

Changes

  • Warm OpenTableAck (USE ~4 RTTs → ~2). Schema + first row (with lookahead block) ride the open reply as length-gated TLV sections, so a remote USE costs open + production auto-open only — no DescribeTable, no implicit GotoTop. Old clients/servers fall back to the legacy calls; unknown tags skip by length.
  • Orphan-twin fix (correctness). A failed OpenIndex left its freshly created server-side ABI twin behind; later writes went to the twin while fetch packed the engine table (stale blanks until a nav reloaded from disk). Failed opens now drop a twin they created; pre-existing twins untouched.
  • Fixed-width ads_err.log text mirror. DATETIME CODE SOURCE LINE PID TID SESSION CLIENT OP TABLE DETAIL, 3-space separators, header line, same size-cap rotation as the DBF. Per-frame session/client/op/table context; Op: path details backfill the columns for older call sites.
  • v1.09.24 batching below, shipped: SetFields (0x5E) one-frame flush of coalesced AdsSet* calls (first set probes immediately so write-guard errors keep their timing), zero-RTT production OpenIndex dedup, .z01 production bags, release-body automation.
  • Tests. network_setfields_test (batch round-trip, durability, skip-away targeting), network_open_warm_test (server opcode counters prove zero DescribeTable/GotoTop frames + prefetched skips), M12.4 warm-shape assertions, date-format expectations aligned with display behavior; MSVC /W4 clean.

Compatibility

  • Same mix-and-match rules as v1.09.24: capability-gated batching and length-gated sections; old peers behave exactly as before.

Test Results

  • Windows MSVC x64/x86, Harbour smoke, PHP, SQL smokes: green.
  • Linux/macOS: green except pre-existing load-sensitive race tests (mt_contention, openindex_create_race, remote_create_stress), also red on the v1.09.21–v1.09.23 tags' runs.

Packages

  • openads-1.09.25-windows-x64.zip
  • openads-1.09.25-windows-x86.zip
  • openads-1.09.25-linux-x64.tar.gz
  • openads-1.09.25-macos-universal.tar.gz

Field triage, release engineering and validation: Pritpal Bedi.