Probabilistic profile matching
Will merge likely duplicate profiles based on shared emails, phone numbers and similar names, keeping segments and reporting accurate without exports or custom code.
Entries on this page are generated by AI from vendor sources. How AI is used
Identity resolution
Linking identifiers to a person, including anonymous-to-known stitching.
| Month | Changes |
|---|---|
| 2026-01 | 5 |
| 2026-02 | 0 |
| 2026-03 | 2 |
| 2026-04 | 2 |
| 2026-05 | 1 |
| 2026-06 | 3 |
| 2026-07 | 1 |
| 2026-08 | 1 |
| 2026-09 | 5 |
| 2026-10 | 3 |
Select a month to view the whole-record timeline. This clears timeline filters.
Platforms with recorded changes
Platforms with at least one feature state classified in this capability (primary or secondary, minor updates included), in the site's fixed order. Select one to filter the timeline. Counts are not shown side by side: they reflect how finely each vendor documents, not how much it offers.
Timeline
← Back to the Release MatrixTimeline filters
Filters apply to the timeline. The chart and platform totals describe the whole record. Selecting a chart month clears timeline filters to show that same whole-record scope.
Matches the Release Matrix evidence: latest state reached in the selected period, entries under review excluded, primary and secondary capabilities included.
No recorded changes match these filters.
Within each period: major updates as cards, then notable ones as rows; newest first in each group. Minor updates below.
October 20263 changes
Supercluster quarantine Keep/Block review
Identity resolution runs no longer fail on superclusters; flagged values stay quarantined until reviewers choose Keep or Block, with a warning banner and per-run visibility in the Runs tab.
Tealium 1 minor update Destinations & connectors
- GA Zeta Global Events connector authentication, identity and routing enhancements source The Zeta Global Events connector adds JWT authentication, server-side BSIN-to-anon_id resolution, optional UID handling, UCLID support, child-account routing and custom mappings.
September 20265 changes
Adobe AJO Deprecation announced Sep 2026 Ends Oct 2026 · End date passed · removal not confirmed in the record under review
Primary identity requirement for Audience Composition audiences
Journeys/campaigns using Audience Composition audiences without a primary identity descriptor will stop working from the October release.
First-party identity cookie extension
First-Party ID extends the recognition window for returning visitors on Safari and other restrictive browsers from 24 hours to 7 days.
Additional Identity Resolution match rules
New out-of-the-box Identity Resolution match rules reduce duplicate customer records with less manual effort.
Adobe AJO 2 minor updates Journeys
- GA Supplemental ID in journey simulation source Journey Simulation supports Supplemental ID, so read-audience and event-triggered journey scenarios can be tested with it.
- Announced Supplemental ID in journey simulation source Now GA (28 Sep 2026). Current summary: Journey Simulation supports Supplemental ID, so read-audience and event-triggered journey scenarios can be tested with it.
August 20261 change
Stitching merge rules
Per-attribute rules that decide which value wins when two visitor profiles are stitched together.
July 20261 change
Incremental configuration for probabilistic identity graphs
Probabilistic identity graphs support incremental configuration changes, like adding identifiers or thresholds, without a full rerun.
June 20263 changes
Multiple email addresses per profile
Profiles can now unify up to five email addresses per customer with independent consent tracking and smarter send routing.
Supplemental identifiers for external audiences
Journeys can now designate a supplemental identifier for external CSV or Federated Audience Composition audiences.
Tealium 1 minor update Data collection & tag management
- GA Amplitude Browser SDK tag custom identifiers source Amplitude Browser SDK tag supports setting custom user, session and device identifiers, and resetting identity.
May 20261 change
Per-profile ID limit for Real-Time ID stitching
Real-Time ID stitching now caps each profile at 200 unique IDs, automatically ejecting the oldest to prevent over-stitching and protect performance.
April 20262 changes
Unknown User Activation
Captures behavioral intent from anonymous website browsing sessions to nurture sign-ups and purchases from previously unknown visitors.
Staged identity resolution
Identity resolution graphs can run in sequential stages, matching high-confidence fields first before broader matching runs.
March 20262 changes
Multiple email addresses per profile
Now GA (29 Jun 2026). Current summary: Profiles can now unify up to five email addresses per customer with independent consent tracking and smarter send routing.
Resonate destination
A new Resonate destination matches first-party data against Resonate's identity graph for enrichment and targeting.
January 20265 changes
Cookie-based shopper recognition in Customer Hub
Customer Hub can now recognize visitors via Klaviyo cookies to unlock targeted content before they log in.
Stitching merge rules
Now GA (12 Aug 2026). Current summary: Per-attribute rules that decide which value wins when two visitor profiles are stitched together.
Default tracking cookie identifiers for Extended ID
Extended ID now uses common tracking cookies like _ga, _ttp and _uetvid by default, boosting visitor identification 5-10% with no setup.
Identity supercluster detection and quarantine
Identity resolution automatically detects and quarantines superclusters caused by bad data like placeholder phone numbers before applying them.
Match Booster name and address matching
Match Booster can match records using name and residential address when email or phone number aren't available.