# Outages on September 21, 2018 (UTC) > 10 incidents started on September 21, 2018 (UTC) on the status pages Rewindex archives, 2 labelled major or critical by the vendor (Sentry, Mux); 2 more were still open from earlier days. Canonical: https://rewindex.com/outages/2018-09-21 Last updated: 2018-09-22T00:33:00Z - Incidents started: 10 (major/critical: 2, other: 8) across 8 vendors - Still open from earlier days: 2 · Maintenance windows: 2 · Detected outage events: 0 - By vendor impact label: critical 1, major 1, minor 4, none 4 - Previous day with incidents: [2018-09-20](https://rewindex.com/outages/2018-09-20.md) · Next: [2018-09-24](https://rewindex.com/outages/2018-09-24.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 | | --- | --- | --- | --- | --- | --- | | [Sentry](https://rewindex.com/company/sentry.md) | [Temporary Loss in Availability](https://rewindex.com/company/sentry/incidents/j5sh9wtv1t84.md) | critical | 2018-09-21 03:26 UTC | 2018-09-21 04:03 UTC | resolved | | [Mux](https://rewindex.com/company/mux.md) | [Live Streaming Unavailable](https://rewindex.com/company/mux/incidents/nntcjby6sxw4.md) | major | 2018-09-21 01:31 UTC | 2018-09-21 02:13 UTC | resolved | | [GitHub Copilot](https://rewindex.com/company/github-copilot.md) | [Incident on 2018-09-21 00:27:20 UTC](https://rewindex.com/company/github-copilot/incidents/rr111s73ht6s.md) | minor | 2018-09-21 00:27 UTC | 2018-09-21 00:27 UTC | resolved | | [GitHub](https://rewindex.com/company/github.md) | [Incident on 2018-09-21 00:27:20 UTC](https://rewindex.com/company/github/incidents/rr111s73ht6s.md) | minor | 2018-09-21 00:27 UTC | 2018-09-21 00:27 UTC | resolved | | [BigCommerce](https://rewindex.com/company/bigcommerce.md) | [Slow response times](https://rewindex.com/company/bigcommerce/incidents/f8tzxnfd922n.md) | minor | 2018-09-21 15:47 UTC | 2018-09-21 16:17 UTC | resolved | | [BigCommerce](https://rewindex.com/company/bigcommerce.md) | [Slow response times](https://rewindex.com/company/bigcommerce/incidents/dx23pwfgrqzk.md) | minor | 2018-09-21 18:17 UTC | 2018-09-21 18:44 UTC | resolved | | [Discord](https://rewindex.com/company/discord.md) | [Trouble Connecting](https://rewindex.com/company/discord/incidents/j7jm68f8jtvx.md) | none | 2018-09-21 15:31 UTC | 2018-09-21 16:32 UTC | resolved | | [Discord](https://rewindex.com/company/discord.md) | [9/21 Trouble Connecting](https://rewindex.com/company/discord/incidents/t3sb7t6yh51x.md) | none | 2018-09-21 18:38 UTC | 2018-09-21 18:59 UTC | resolved | | [imgix](https://rewindex.com/company/imgix.md) | [Analytics Render Delayed](https://rewindex.com/company/imgix/incidents/l5l0j3l515f8.md) | none | 2018-09-21 20:07 UTC | 2018-09-22 00:01 UTC | resolved | | [Shopify](https://rewindex.com/company/shopify.md) | [Problems accessing admin](https://rewindex.com/company/shopify/incidents/32hn3ydydl63.md) | none | 2018-09-21 21:41 UTC | 2018-09-22 00:33 UTC | resolved | ## Still open from earlier days | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Amplitude](https://rewindex.com/company/amplitude.md) | [Data processing is experiencing delays](https://rewindex.com/company/amplitude/incidents/kfyx2g0t660z.md) | minor | 2018-09-20 14:34 UTC | 2018-09-21 00:31 UTC | resolved | | [Amplitude](https://rewindex.com/company/amplitude.md) | [Web Reporting Outage](https://rewindex.com/company/amplitude/incidents/w46y7mh72r4g.md) | none | 2018-09-20 23:06 UTC | 2018-09-21 00:30 UTC | resolved | ## Maintenance | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Bandwidth](https://rewindex.com/company/bandwidth.md) | [\[Scheduled\] URGENT MMS/SMS Messaging Maintenance - DFW](https://rewindex.com/company/bandwidth/incidents/vwk6j5vk8wzn.md) | maintenance | 2018-09-21 04:00 UTC | 2018-09-21 06:00 UTC | resolved | | [Postman](https://rewindex.com/company/postman.md) | [\[Scheduled\] Planned maintenance for Postman Authentication Service](https://rewindex.com/company/postman/incidents/w3g933bqgsb8.md) | maintenance | 2018-09-21 08:30 UTC | 2018-09-21 09:31 UTC | resolved | ## Cite this 10 vendor-reported incidents started on 2018-09-21 (UTC) across 8 vendors, 2 labelled major or critical by the vendor. - Canonical URL: https://rewindex.com/outages/2018-09-21 - Citation: Rewindex daily outage roundup, “Outages on September 21, 2018” (2018-09-21 00:00 UTC). Archived by Rewindex: https://rewindex.com/outages/2018-09-21 (CC BY 4.0). - Markdown link: `[Rewindex daily outage roundup: Outages on September 21, 2018 (2018-09-21)](https://rewindex.com/outages/2018-09-21)` --- Canonical: https://rewindex.com/outages/2018-09-21 · Markdown: https://rewindex.com/outages/2018-09-21.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T15:20:56.010Z