# HubSpot: List sizes may be inaccurate for some customers

> HubSpot status incident “List sizes may be inaccurate for some customers” on 2025-05-08: impact none (vendor’s label), 9.8 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/hubspot/incidents/cdpsrynfkpmr
Last updated: 2025-05-08T20:04:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2025-05-08 10:16 UTC · Resolved: 2025-05-08 20:04 UTC · Duration: 9.8 h
- Updates: 1
- [Vendor status page: https://status.hubspot.com/incidents/cdpsrynfkpmr](https://status.hubspot.com/incidents/cdpsrynfkpmr)
- [Company: HubSpot](https://rewindex.com/company/hubspot.md)

## Timeline of updates

- **resolved** 2025-05-08 20:04 UTC: Between 04:18 PM EDT (UTC -04:00) and 03:15 PM EDT (UTC -04:00), some customers hosted in North America, Asia Pacific and Europe experienced issues with list size calculation. This was caused by a race condition in list size calculation logic. Although aggregate values appeared incorrect during this period of time, no data was corrupted or lost. As of 03:15 PM EDT (UTC -04:00), we have corrected these calculations and the incident has been fully resolved. We apologize for any confusion and appreciate your patience while we corrected this.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: none) posted by HubSpot, started 2025-05-08 10:16 UTC, resolved after 9.8 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/hubspot/incidents/cdpsrynfkpmr
- Citation: HubSpot, “List sizes may be inaccurate for some customers” (2025-05-08 10:16 UTC). Archived by Rewindex: https://rewindex.com/company/hubspot/incidents/cdpsrynfkpmr (CC BY 4.0).
- Markdown link: `[HubSpot: List sizes may be inaccurate for some customers (2025-05-08)](https://rewindex.com/company/hubspot/incidents/cdpsrynfkpmr)`


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Canonical: https://rewindex.com/company/hubspot/incidents/cdpsrynfkpmr · Markdown: https://rewindex.com/company/hubspot/incidents/cdpsrynfkpmr.md · JSON: https://rewindex.com/api/v1/companies/hubspot/incidents/cdpsrynfkpmr · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:25:51.150Z