Summary

Continues the v16 release page from the latest front/back-end code. Since the rc.0 cut, 9 backend changesets landed and the objectui pin advanced 94d4876 → af1b0db (objectui #2706–#2736). Sourced from each repo's own changesets (not just the bump summaries — per #3331 / issue #3340).

Changes

Reconciled the stale subsection. The four frontend items previously marked "pending the next console pin" (objectui#2701/#2706/#2707/#2708) are now bundled as the pin advanced; that subsection is retitled and points to the new running section.

New ## Landed since 16.0.0-rc.0 section (rolls into the next 16.0 RC):

• Breaking / behavior
  • aiStudio / aiSeat capability aliases removed (Remove deprecated aiStudio/aiSeat capability aliases after one deprecation cycle (follow-up to #3265) #3308) — now rejected as unknown tokens; use ai-studio / ai-seat.
  • Date arithmetic in Field.formula is now a build-time error (Shipped template formula fields silently evaluate to null on @objectstack 15.1.1 — daysBetween / Timestamp−Timestamp / floor in stored formulas (hr tenure_years, time_off days) #3306) — points at daysBetween / daysFromNow / addDays.
  • Per-option visibleWhen enforced on checkboxes + string-form option matching (fix(objectql): enforce per-option visibleWhen on checkboxes + string-match option values (objectui#2729) #3350).
• New backend capabilities
  • Formula null-guard idiom + floor/ceil (Shipped template formula fields silently evaluate to null on @objectstack 15.1.1 — daysBetween / Timestamp−Timestamp / floor in stored formulas (hr tenure_years, time_off days) #3306); engine-owned managedBy bucket (ADR-0103 addendum, managedBy taxonomy — remaining follow-ups after #3220 / #3325 (de-dup completion, optional enum split, dogfood verification) #3343); approvals viewer gating (feat(approvals): server-computed viewer capability for precise decision-action gating (#3310) #3344) + decision attachments (feat(approvals): declare file attachments on approve/reject decisions #3332); discovery transactionalBatch bit (discovery 广播「跨对象原子 batch」能力位(让客户端声明式协商,取代 404/405/501 运行时探测) #3298); action resultDialog i18n (feat(i18n): make action resultDialog copy translatable (schema slot + resolver + platform bundles) #3347); collab-notification/storage localization + wired notifications REST routes (fix(i18n/notifications): localize collab notification titles + storage objects; wire the notifications REST routes #3354).
• Console (objectui, now bundled 94d4876 → af1b0db)
  • Option-widget visibleWhen parity (multiselect/radio/checkboxes + chip picker), approvals-inbox server-viewer gating + composer retirement, related-list default pagination, pre-ADR-0021 inline-analytics renderer retirement, authenticated api-fetch threading, result-dialog i18n rendering, engine-owned bucket UI, kanban/calendar write-failure surfacing.

Adds aiStudio/aiSeat and date-arithmetic to the upgrade checklist; updates the Console-section intro for the advanced pin.

Verification

• check:release-notes, check:role-word, check:doc-authoring → all OK.
• Internal anchor (#landed-since-1600-rc0) matches the heading slug.
• Every item traced to a framework changeset or objectui commit in the 94d4876..af1b0db range.

Note: like #3322, Check Changeset will flag the pre-existing 16.0 major changesets on main and needs the allow-major label (or the RC-mode exemption from #3342, if active).

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https://claude.ai/code/session_01AHVoqyH9VAjmbyMN1Ri2jf

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