# Outages on August 21, 2021 (UTC) > 8 incidents started on August 21, 2021 (UTC) on the status pages Rewindex archives, 3 labelled major or critical by the vendor (Red Hat (incl. Quay.io), Squarespace); 4 more were still open from earlier days. Canonical: https://rewindex.com/outages/2021-08-21 Last updated: 2021-08-28T01:00:00Z - Incidents started: 8 (major/critical: 3, other: 5) across 6 vendors - Still open from earlier days: 4 · Maintenance windows: 7 · Detected outage events: 0 - By vendor impact label: critical 1, major 2, minor 4, none 1 - Previous day with incidents: [2021-08-20](https://rewindex.com/outages/2021-08-20.md) · Next: [2021-08-22](https://rewindex.com/outages/2021-08-22.md) · [All days](https://rewindex.com/outages.md) Impact labels are the vendor’s own. Incidents come from each vendor’s status page; Rewindex does not measure outages. ## Incidents started this day | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Red Hat (incl. Quay.io)](https://rewindex.com/company/red-hat.md) | [sso.redhat.com incident](https://rewindex.com/company/red-hat/incidents/rfpl2t35z73l.md) | critical | 2021-08-21 00:51 UTC | 2021-08-21 02:47 UTC | resolved | | [Squarespace](https://rewindex.com/company/squarespace.md) | [Some customers unable to log in and view sites](https://rewindex.com/company/squarespace/incidents/ylnv502ld26w.md) | major | 2021-08-21 16:51 UTC | 2021-08-21 17:32 UTC | resolved | | [Squarespace](https://rewindex.com/company/squarespace.md) | [Some customers seeing privacy errors when visiting their sites; may also be unable to log in](https://rewindex.com/company/squarespace/incidents/vqbxy249zzdw.md) | major | 2021-08-21 18:17 UTC | 2021-08-21 22:26 UTC | resolved | | [Render](https://rewindex.com/company/render.md) | [Database Outage for 38 instances for 5 minutes](https://rewindex.com/company/render/incidents/6rhwhmzghrwd.md) | minor | 2021-08-21 00:00 UTC | 2021-08-21 00:00 UTC | resolved | | [Expo](https://rewindex.com/company/expo.md) | [High rate of Developer Portal request failures](https://rewindex.com/company/expo/incidents/ryp98hrxlgdk.md) | minor | 2021-08-21 01:00 UTC | 2021-08-30 17:41 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delay To Freedom Mobile Network in Canada From Twilio Long Codes and Short Codes](https://rewindex.com/company/twilio/incidents/jfct7q3622b4.md) | minor | 2021-08-21 04:42 UTC | 2021-08-21 10:24 UTC | resolved | | [Scaleway](https://rewindex.com/company/scaleway.md) | [\[Elements\] FR-PAR - Slow access to Object Storage buckets](https://rewindex.com/company/scaleway/incidents/z1tr4y6n6hkg.md) | minor | 2021-08-21 10:44 UTC | 2021-08-21 15:27 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Failures to India Loop](https://rewindex.com/company/twilio/incidents/tyvcy82yq58k.md) | none | 2021-08-21 10:06 UTC | 2021-08-21 10:06 UTC | resolved | ## Still open from earlier days | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Scaleway](https://rewindex.com/company/scaleway.md) | [\[Webhosting\] WEB hosting platform instability](https://rewindex.com/company/scaleway/incidents/y2jn6td7kzkr.md) | minor | 2021-08-18 16:26 UTC | 2021-08-23 07:39 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [Issues with Sticky Sender Functionality for Subset of to Numbers when Sending SMS using Messaging Services](https://rewindex.com/company/twilio/incidents/smdncxz0l2r9.md) | minor | 2021-08-18 20:42 UTC | 2021-08-25 18:40 UTC | resolved | | [Retool](https://rewindex.com/company/retool.md) | [Elevated latency](https://rewindex.com/company/retool/incidents/z2httqqfv86q.md) | minor | 2021-08-20 23:16 UTC | 2021-08-21 04:11 UTC | resolved | | [Sinch](https://rewindex.com/company/sinch.md) | [DI MMS 365 - MM7 \| Enterprise Messaging \| Delay in delivery of Multimedia messages TT\#MNOC-32435](https://rewindex.com/company/sinch/incidents/wmwg9dq95swb.md) | none | 2021-08-20 21:03 UTC | 2021-08-21 01:40 UTC | resolved | ## Maintenance | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Amplitude](https://rewindex.com/company/amplitude.md) | [\[Scheduled\] Data Export Maintenance (S3 Export)](https://rewindex.com/company/amplitude/incidents/440lqv67jycm.md) | maintenance | 2021-08-21 00:02 UTC | 2021-08-21 03:00 UTC | resolved | | [Mattermost](https://rewindex.com/company/mattermost.md) | [\[Scheduled\] Cloud Installations migration](https://rewindex.com/company/mattermost/incidents/189lx9tzjvys.md) | maintenance | 2021-08-21 06:01 UTC | 2021-08-21 06:10 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Scheduled Maintenance: Flex Insights Dashboards Will Be Unavailable](https://rewindex.com/company/twilio/incidents/hwr40vjdjk3y.md) | maintenance | 2021-08-21 08:00 UTC | 2021-08-21 10:01 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [On Call Engineers are Investigating a Potential Issue with Flex](https://rewindex.com/company/twilio/incidents/pvqrh0l1xtkw.md) | maintenance | 2021-08-21 08:28 UTC | 2021-08-21 08:39 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Singapore Voice Carrier Maintenance](https://rewindex.com/company/twilio/incidents/1ffkdn2qy4qt.md) | maintenance | 2021-08-21 17:01 UTC | 2021-08-21 21:00 UTC | resolved | | [Sinch](https://rewindex.com/company/sinch.md) | [\[Scheduled\] DI SMS 365 \| Enterprise Messaging \| Application Maintenance \| PCR Number \#9183](https://rewindex.com/company/sinch/incidents/k1h9brmkwjjm.md) | maintenance | 2021-08-21 18:00 UTC | 2021-08-21 19:24 UTC | resolved | | [Sinch](https://rewindex.com/company/sinch.md) | [\[Scheduled\] DI E-Mail 365 \| Enterprise Messaging \| Application Maintenance \| PCR Number \#PSD-9155](https://rewindex.com/company/sinch/incidents/pwt47y1tjlv5.md) | maintenance | 2021-08-21 22:01 UTC | 2021-08-22 01:18 UTC | resolved | ## Cite this 8 vendor-reported incidents started on 2021-08-21 (UTC) across 6 vendors, 3 labelled major or critical by the vendor. - Canonical URL: https://rewindex.com/outages/2021-08-21 - Citation: Rewindex daily outage roundup, “Outages on August 21, 2021” (2021-08-21 00:00 UTC). Archived by Rewindex: https://rewindex.com/outages/2021-08-21 (CC BY 4.0). - Markdown link: `[Rewindex daily outage roundup: Outages on August 21, 2021 (2021-08-21)](https://rewindex.com/outages/2021-08-21)` --- Canonical: https://rewindex.com/outages/2021-08-21 · Markdown: https://rewindex.com/outages/2021-08-21.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:29:23.305Z