# Outages on December 16, 2021 (UTC)

> 39 incidents started on December 16, 2021 (UTC) on the status pages Rewindex archives, 10 labelled major or critical by the vendor (CircleCI, PyPI (Python Infrastructure), Xero); 19 more were still open from earlier days.

Canonical: https://rewindex.com/outages/2021-12-16
Last updated: 2021-12-23T01:21:00Z

- Incidents started: 39 (major/critical: 10, other: 29) across 28 vendors
- Still open from earlier days: 19 · Maintenance windows: 14 · Detected outage events: 1
- By vendor impact label: critical 2, major 8, minor 20, none 9
- Previous day with incidents: [2021-12-15](https://rewindex.com/outages/2021-12-15.md) · Next: [2021-12-17](https://rewindex.com/outages/2021-12-17.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.

## Outage events this day

- [Cloudflare outage](https://rewindex.com/events/2021-12-16-cloudflare): 2 linked vendors, 8 other incidents in the same window (also happening, not linked). Vendors reported a Cloudflare outage; Cloudflare’s own incident for this date is not in the archive.

## Incidents started this day

| Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status |
| --- | --- | --- | --- | --- | --- |
| [CircleCI](https://rewindex.com/company/circleci.md) | [All jobs are failing](https://rewindex.com/company/circleci/incidents/13k8hlwnzf0v.md) | critical | 2021-12-16 20:54 UTC | 2021-12-16 21:20 UTC | resolved |
| [PyPI (Python Infrastructure)](https://rewindex.com/company/pypi.md) | [Service Interruption due to database upgrades](https://rewindex.com/company/pypi/incidents/0kx5k4p9ljyw.md) | critical | 2021-12-16 22:29 UTC | 2021-12-17 12:14 UTC | resolved |
| [Xero](https://rewindex.com/company/xero.md) | [Xero Community Access Error Message](https://rewindex.com/company/xero/incidents/qtm6kp5s0n7h.md) | major | 2021-12-16 01:25 UTC | 2021-12-16 03:30 UTC | resolved |
| [LaunchDarkly](https://rewindex.com/company/launchdarkly.md) | [Increased error rate](https://rewindex.com/company/launchdarkly/incidents/c8twcrzf3r3l.md) | major | 2021-12-16 03:23 UTC | 2021-12-16 04:07 UTC | resolved |
| [Confluent](https://rewindex.com/company/confluent.md) | [Confluent Cloud Clusters in Azure northeurope may be experiencing connectivity issues](https://rewindex.com/company/confluent/incidents/hr9t39vd1cz8.md) | major | 2021-12-16 13:06 UTC | 2021-12-16 14:23 UTC | resolved |
| [Grafana Cloud](https://rewindex.com/company/grafana-cloud.md) | [Intermittent issues with Synthetic Monitoring in  us-central-0](https://rewindex.com/company/grafana-cloud/incidents/zv12l43q1x6j.md) | major | 2021-12-16 14:05 UTC | 2021-12-16 16:23 UTC | resolved |
| [Matillion](https://rewindex.com/company/matillion.md) | [Customers may experience errors while logging in or signing up](https://rewindex.com/company/matillion/incidents/mnz3x62l9h4b.md) | major | 2021-12-16 18:33 UTC | 2021-12-16 22:02 UTC | resolved |
| [InfluxData (InfluxDB Cloud)](https://rewindex.com/company/influxdata.md) | [Unable to login to Cloud UI due to Auth0 service interruption](https://rewindex.com/company/influxdata/incidents/840fz037mqqc.md) | major | 2021-12-16 18:59 UTC | 2021-12-16 21:21 UTC | resolved |
| [npm](https://rewindex.com/company/npm.md) | [Issues accessing npm](https://rewindex.com/company/npm/incidents/4p6mgfgs0nxt.md) | major | 2021-12-16 20:32 UTC | 2021-12-16 21:13 UTC | resolved |
| [Confluent](https://rewindex.com/company/confluent.md) | [Confluent Cloud Metrics API is Experiencing Delays](https://rewindex.com/company/confluent/incidents/bl0hjp29f6rl.md) | major | 2021-12-16 22:42 UTC | 2021-12-17 08:34 UTC | resolved |
| [Confluence](https://rewindex.com/company/confluence.md) | [Performance issues with Chrome 96 in Confluence editor](https://rewindex.com/company/confluence/incidents/wmb553fp0jh8.md) | minor | 2021-12-16 01:21 UTC | 2022-01-18 00:22 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Report Delays When Sending To Multiple Networks In US](https://rewindex.com/company/twilio/incidents/cskgf547yv2d.md) | minor | 2021-12-16 04:33 UTC | 2021-12-16 10:54 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays To Vodafone Network In Egypt](https://rewindex.com/company/twilio/incidents/xnc7rzkrhznh.md) | minor | 2021-12-16 07:06 UTC | 2021-12-16 14:42 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to Fibernotics Network in Canada](https://rewindex.com/company/twilio/incidents/4pgltvhb9mtw.md) | minor | 2021-12-16 08:29 UTC | 2021-12-16 10:58 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [Delivery issues - Vodafone Egypt](https://rewindex.com/company/sinch/incidents/h2zvn2k0l84n.md) | minor | 2021-12-16 09:20 UTC | 2021-12-16 13:54 UTC | resolved |
| [Lever](https://rewindex.com/company/lever.md) | [Intermittent issues impacting Lever Hire](https://rewindex.com/company/lever/incidents/l4pn7kqqqy1g.md) | minor | 2021-12-16 12:13 UTC | 2021-12-17 00:25 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to Somalia Telesom](https://rewindex.com/company/twilio/incidents/cqhp9vxy3w6y.md) | minor | 2021-12-16 14:17 UTC | 2021-12-16 19:09 UTC | resolved |
| [Scaleway](https://rewindex.com/company/scaleway.md) | [\[Elements\] Issues with instances snapshots](https://rewindex.com/company/scaleway/incidents/ng6hb53874qf.md) | minor | 2021-12-16 16:17 UTC | 2021-12-21 15:52 UTC | resolved |
| [Maven Central](https://rewindex.com/company/maven-central.md) | [Staging operations on oss.sonatype.org remain slow.  Please consider migration.](https://rewindex.com/company/maven-central/incidents/4d572x2frd4m.md) | minor | 2021-12-16 17:04 UTC | 2021-12-20 04:16 UTC | resolved |
| [Lever](https://rewindex.com/company/lever.md) | [Issues affecting offers, LinkedIn RSC, and email syncing](https://rewindex.com/company/lever/incidents/skkq225sjk5s.md) | minor | 2021-12-16 19:06 UTC | 2021-12-17 00:33 UTC | resolved |
| [Segment](https://rewindex.com/company/segment.md) | [Connection error to Hubspot sources](https://rewindex.com/company/segment/incidents/c4gxltgpnpcx.md) | minor | 2021-12-16 20:07 UTC | 2021-12-16 21:34 UTC | resolved |
| [Discord](https://rewindex.com/company/discord.md) | [Increased API Latency](https://rewindex.com/company/discord/incidents/vw58d9vkdvh5.md) | minor | 2021-12-16 20:27 UTC | 2021-12-16 20:48 UTC | resolved |
| [HubSpot](https://rewindex.com/company/hubspot.md) | [Some tools are slow to load or timing out](https://rewindex.com/company/hubspot/incidents/gvz3yl61vlcy.md) | minor | 2021-12-16 20:36 UTC | 2021-12-16 21:09 UTC | resolved |
| [v0](https://rewindex.com/company/v0.md) | [Increased Error Rates within Build Pipeline, Serverless Functions, and Edge middleware](https://rewindex.com/company/v0/incidents/2tnl7n1t9lrm.md) | minor | 2021-12-16 20:43 UTC | 2021-12-16 21:08 UTC | resolved |
| [Vercel](https://rewindex.com/company/vercel.md) | [Increased Error Rates within Build Pipeline, Serverless Functions, and Edge middleware](https://rewindex.com/company/vercel/incidents/2tnl7n1t9lrm.md) | minor | 2021-12-16 20:43 UTC | 2021-12-16 21:08 UTC | resolved |
| [New Relic](https://rewindex.com/company/new-relic.md) | [Data Ingest Irregularities in the US and EU Regions](https://rewindex.com/company/new-relic/incidents/m67q4k8dzg36.md) | minor | 2021-12-16 20:44 UTC | 2021-12-16 21:16 UTC | resolved |
| [Canva](https://rewindex.com/company/canva.md) | [Trouble loading Canva](https://rewindex.com/company/canva/incidents/9f92tn108g2x.md) | minor | 2021-12-16 20:54 UTC | 2021-12-16 20:56 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to Orange Network Congo](https://rewindex.com/company/twilio/incidents/dxnvw84svlnz.md) | minor | 2021-12-16 20:54 UTC | 2021-12-17 10:36 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to Claro Colombia](https://rewindex.com/company/twilio/incidents/zx4zvdk1kcyy.md) | minor | 2021-12-16 21:28 UTC | 2021-12-17 00:20 UTC | resolved |
| [Datadog](https://rewindex.com/company/datadog.md) | [Delayed Events](https://rewindex.com/company/datadog/incidents/1bzc1kljj6mj.md) | minor | 2021-12-16 23:58 UTC | 2021-12-17 00:15 UTC | resolved |
| [Scaleway](https://rewindex.com/company/scaleway.md) | [\[REGISTRY\] Push/pull issues](https://rewindex.com/company/scaleway/incidents/gskrn330jtpc.md) | none | 2021-12-16 09:10 UTC | 2021-12-16 09:10 UTC | resolved |
| [Aptible](https://rewindex.com/company/aptible.md) | [Additional CVE-2021-44228 (Log4j) Elasticsearch patching](https://rewindex.com/company/aptible/incidents/vd5gv7hv42z8.md) | none | 2021-12-16 13:21 UTC | 2021-12-16 13:21 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to Orange Network Cameroon](https://rewindex.com/company/twilio/incidents/k09d9kvhnxf7.md) | none | 2021-12-16 14:17 UTC | 2021-12-16 14:17 UTC | resolved |
| [Statuspage](https://rewindex.com/company/statuspage.md) | [Elevated server errors](https://rewindex.com/company/statuspage/incidents/8m14s56zm0rn.md) | none | 2021-12-16 16:00 UTC | 2021-12-16 16:00 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [DI MMS 365 - MM7 \| Enterprise Messaging \| Delay in delivery of Multimedia messages \| TT\# MNOC-35847](https://rewindex.com/company/sinch/incidents/n5qvy3t8m1js.md) | none | 2021-12-16 17:40 UTC | 2021-12-16 22:58 UTC | resolved |
| [CircleCI](https://rewindex.com/company/circleci.md) | [Increased Run Queue Time](https://rewindex.com/company/circleci/incidents/bqrhbvv4dhrj.md) | none | 2021-12-16 19:29 UTC | 2021-12-16 20:12 UTC | resolved |
| [Bandwidth](https://rewindex.com/company/bandwidth.md) | [Intermittent API Idsues](https://rewindex.com/company/bandwidth/incidents/zxcgssqvqlgq.md) | none | 2021-12-16 20:00 UTC | 2021-12-16 20:00 UTC | resolved |
| [Snyk](https://rewindex.com/company/snyk.md) | [Issue Logging Into Snyk Web Portal](https://rewindex.com/company/snyk/incidents/z0d58rt790lj.md) | none | 2021-12-16 20:02 UTC | 2021-12-16 20:20 UTC | resolved |
| [Optimizely](https://rewindex.com/company/optimizely.md) | [Cloudflare latency](https://rewindex.com/company/optimizely/incidents/h445135gz26m.md) | none | 2021-12-16 20:50 UTC | 2021-12-16 21:07 UTC | resolved |

## Still open from earlier days

| Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status |
| --- | --- | --- | --- | --- | --- |
| [Red Hat (incl. Quay.io)](https://rewindex.com/company/red-hat.md) | [Search and Case management outage](https://rewindex.com/company/red-hat/incidents/ptr8rdfqwqsf.md) | critical | 2021-12-15 12:37 UTC | 2021-12-16 21:44 UTC | resolved |
| [Lever](https://rewindex.com/company/lever.md) | [Apache Log4j2](https://rewindex.com/company/lever/incidents/4f6zkg8dl5lh.md) | major | 2021-12-13 20:25 UTC | 2022-01-31 17:37 UTC | resolved |
| [Bandwidth](https://rewindex.com/company/bandwidth.md) | [MMS Delays](https://rewindex.com/company/bandwidth/incidents/mcgnfgv6tdfq.md) | major | 2021-12-15 15:59 UTC | 2021-12-16 04:18 UTC | resolved |
| [Scaleway](https://rewindex.com/company/scaleway.md) | [\[K8S\] Kapsule issue in fr-par](https://rewindex.com/company/scaleway/incidents/gmkb4h7njx7p.md) | minor | 2021-12-10 14:46 UTC | 2021-12-29 09:28 UTC | resolved |
| [PyPI (Python Infrastructure)](https://rewindex.com/company/pypi.md) | [PyPI XMLRPC Search Disabled](https://rewindex.com/company/pypi/incidents/grk0k7sz6zkp.md) | minor | 2021-12-14 09:41 UTC | 2022-01-03 20:32 UTC | resolved |
| [LaunchDarkly](https://rewindex.com/company/launchdarkly.md) | [increased error rate and delays for usage metrics](https://rewindex.com/company/launchdarkly/incidents/zqpp8trj9tmb.md) | minor | 2021-12-14 22:04 UTC | 2021-12-24 05:19 UTC | resolved |
| [Akamai](https://rewindex.com/company/akamai.md) | [Web Security Analytics Issues](https://rewindex.com/company/akamai/incidents/s1jjfs9lr1jb.md) | minor | 2021-12-15 06:33 UTC | 2021-12-20 08:00 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [General Network Disturbance - US](https://rewindex.com/company/sinch/incidents/8sg7ly9vgp83.md) | minor | 2021-12-15 15:39 UTC | 2021-12-16 04:52 UTC | resolved |
| [Plivo](https://rewindex.com/company/plivo.md) | [Delivery delay on Inbound/outbound toll-free SMS/MMS towards US and Canada phone numbers](https://rewindex.com/company/plivo/incidents/fyvm7pkrfl65.md) | minor | 2021-12-15 16:57 UTC | 2021-12-16 04:19 UTC | resolved |
| [Lever](https://rewindex.com/company/lever.md) | [Stale data in Visual Insight](https://rewindex.com/company/lever/incidents/06qs8b0ncbwc.md) | minor | 2021-12-15 17:45 UTC | 2021-12-20 16:08 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays & Failures to Tanzania Airtel Network](https://rewindex.com/company/twilio/incidents/1cjpzqgx4ryw.md) | minor | 2021-12-15 19:11 UTC | 2021-12-16 01:44 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [Super Sim Clients May Experience Delays When Connecting Their Devices](https://rewindex.com/company/twilio/incidents/k4501qtmq6gy.md) | minor | 2021-12-15 21:37 UTC | 2021-12-16 02:04 UTC | resolved |
| [Plivo](https://rewindex.com/company/plivo.md) | [Inbound call failure towards US phone numbers in Beaumont, TX](https://rewindex.com/company/plivo/incidents/j7g5749j4by6.md) | minor | 2021-12-15 22:53 UTC | 2021-12-16 13:17 UTC | resolved |
| [CircleCI](https://rewindex.com/company/circleci.md) | [Insights are Not Loading](https://rewindex.com/company/circleci/incidents/z8h9ws6yl0jw.md) | minor | 2021-12-15 23:52 UTC | 2021-12-16 00:52 UTC | resolved |
| [Snyk](https://rewindex.com/company/snyk.md) | [Slower response times and elevated errors](https://rewindex.com/company/snyk/incidents/nzjslqjqrq4z.md) | none | 2021-12-12 21:47 UTC | 2021-12-17 16:57 UTC | resolved |
| [Snyk](https://rewindex.com/company/snyk.md) | [Snyk Code availability disruption](https://rewindex.com/company/snyk/incidents/g2z2968ybn73.md) | none | 2021-12-14 12:45 UTC | 2021-12-19 16:34 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [DI MMS 365 - MM7 \| Enterprise Messaging \| Delay in delivery of Multimedia messages \| TT\# MNOC-35804](https://rewindex.com/company/sinch/incidents/ztkys3bw4y63.md) | none | 2021-12-15 20:31 UTC | 2021-12-16 00:42 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [DI SMS 365 \| Enterprise Messaging \| Delay in delivery of DLR traffic \| TT\# MNOC-35808](https://rewindex.com/company/sinch/incidents/jxrym1d7hscf.md) | none | 2021-12-15 20:57 UTC | 2021-12-16 00:42 UTC | resolved |
| [Bandwidth](https://rewindex.com/company/bandwidth.md) | [Bandwidth Local Market Impairment - 562 - Beaumont, TX](https://rewindex.com/company/bandwidth/incidents/l3rq1zwlz7jh.md) | none | 2021-12-15 22:40 UTC | 2021-12-16 13:05 UTC | resolved |

## Maintenance

| Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status |
| --- | --- | --- | --- | --- | --- |
| [Lever](https://rewindex.com/company/lever.md) | [\[Scheduled\] Scheduled maintenance](https://rewindex.com/company/lever/incidents/rk3v73tp9b44.md) | maintenance | 2021-12-16 00:00 UTC | 2021-12-16 08:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Peru SMS Carrier Maintenance - Claro](https://rewindex.com/company/twilio/incidents/1b6cxzc1492h.md) | maintenance | 2021-12-16 03:00 UTC | 2021-12-16 11:00 UTC | resolved |
| [Heap](https://rewindex.com/company/heap.md) | [\[Scheduled\] Infrastructure Maintenance](https://rewindex.com/company/heap/incidents/4csxszqgbx1x.md) | maintenance | 2021-12-16 03:30 UTC | 2021-12-16 04:30 UTC | resolved |
| [Plivo](https://rewindex.com/company/plivo.md) | [\[Scheduled\] Scheduled Maintenance : Service degradation on Inbound/Outbound MMS towards US & Canada phone numbers](https://rewindex.com/company/plivo/incidents/6dhn5gbvfbnh.md) | maintenance | 2021-12-16 05:00 UTC | 2021-12-16 12:00 UTC | resolved |
| [Bandwidth](https://rewindex.com/company/bandwidth.md) | [\[Scheduled\] Local Market Maintenance - 256 - Clarksburg, WV](https://rewindex.com/company/bandwidth/incidents/jjkxybr6lyhd.md) | maintenance | 2021-12-16 05:00 UTC | 2021-12-16 09:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] US SMS Carrier Maintenance - AT&T US](https://rewindex.com/company/twilio/incidents/vp878ps36d5b.md) | maintenance | 2021-12-16 05:11 UTC | 2021-12-16 14:00 UTC | resolved |
| [Contentstack](https://rewindex.com/company/contentstack.md) | [\[Scheduled\] Content Search Maintenance](https://rewindex.com/company/contentstack/incidents/jxr22sz71g52.md) | maintenance | 2021-12-16 05:30 UTC | 2021-12-16 06:27 UTC | resolved |
| [Bandwidth](https://rewindex.com/company/bandwidth.md) | [\[Scheduled\] Local Market Maintenance - 634 - Davenport, IA](https://rewindex.com/company/bandwidth/incidents/6887hyy01sx9.md) | maintenance | 2021-12-16 06:00 UTC | 2021-12-16 10:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Mexico SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/t7swvt0h0jx8.md) | maintenance | 2021-12-16 07:00 UTC | 2021-12-16 10:00 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [\[Scheduled\] \[Updated SSL Certificate Installation\] US HTTP SMS](https://rewindex.com/company/sinch/incidents/7mrlf5lxtf68.md) | maintenance | 2021-12-16 09:00 UTC | 2021-12-16 11:00 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [\[Scheduled\] Sinch Emergency Maintenance - Mblox Legacy](https://rewindex.com/company/sinch/incidents/d0155zmd1sb2.md) | maintenance | 2021-12-16 09:00 UTC | 2021-12-16 10:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Russia SMS Carrier Maintenance - Beeline](https://rewindex.com/company/twilio/incidents/09nb6pj1pxvt.md) | maintenance | 2021-12-16 18:00 UTC | 2021-12-16 21:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Russia SMS Carrier Maintenance - Beeline](https://rewindex.com/company/twilio/incidents/pyjq5bc3kr7f.md) | maintenance | 2021-12-16 21:00 UTC | 2021-12-17 00:00 UTC | resolved |
| [Asana](https://rewindex.com/company/asana.md) | [Scheduled Maintenance of Webhooks and Eventstreams](https://rewindex.com/company/asana/incidents/w1wl37jw4npm.md) | maintenance | 2021-12-16 22:02 UTC | 2021-12-16 23:47 UTC | resolved |

## Cite this

39 vendor-reported incidents started on 2021-12-16 (UTC) across 28 vendors, 10 labelled major or critical by the vendor.

- Canonical URL: https://rewindex.com/outages/2021-12-16
- Citation: Rewindex daily outage roundup, “Outages on December 16, 2021” (2021-12-16 00:00 UTC). Archived by Rewindex: https://rewindex.com/outages/2021-12-16 (CC BY 4.0).
- Markdown link: `[Rewindex daily outage roundup: Outages on December 16, 2021 (2021-12-16)](https://rewindex.com/outages/2021-12-16)`


---
Canonical: https://rewindex.com/outages/2021-12-16 · Markdown: https://rewindex.com/outages/2021-12-16.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:01:36.819Z