Hex change history

Hex projects were not loading on the Main site in a major-impact outage starting 2026-05-11 21:23 UTC. The incident lasted 17 min and was resolved at 2026-05-11 21:41 UTC; Hex reported implementing a fix but did not state a cause.

Hex projects were not loading on the Main site during a critical incident from 2026-02-25 22:49 UTC to 2026-02-25 23:44 UTC, lasting 55 min. A fix was implemented by 2026-02-25 23:27 UTC, with systems recovering before resolution.

Hex reported a major incident affecting display loading in some published apps on the Main site, starting at 2025-12-16 15:11 UTC. A fix was implemented, and the incident was resolved at 2025-12-16 17:43 UTC after 2 h 31 min.

Hex reported a major Kernels incident affecting 3.11 custom images: projects could acquire a kernel but could not query data sources. It started at 2025-11-07 15:07 UTC and was resolved at 2025-11-07 19:28 UTC, lasting 4 h 21 min; Hex identified the issue and reported implementing a fix.

Some users could not access Hex or load projects during a critical Main site incident that started at 2025-09-25 18:05 UTC and lasted 32 min, resolving at 2025-09-25 18:37 UTC. Hex reported implementing a fix at 18:27 UTC; no cause was stated.

Some users could not access Hex’s Main site during a major-impact outage starting 2025-09-16 20:35 UTC and lasting 18 min, resolved at 2025-09-16 20:53 UTC. Hex reported implementing a fix at 20:40 UTC but did not state a cause.

Some users could not access Hex projects during a major-impact Main site incident starting 2025-08-27 16:26 UTC. Hex implemented a fix at 08-27 16:40 UTC and resolved the incident at 2025-08-27 16:44 UTC; it lasted 18 min.

Some users could not access Hex projects during a critical Main site outage starting 2025-08-20 17:00 UTC, lasting 1 h 26 min and resolved at 2025-08-20 18:26 UTC. Hex implemented a fix and attributed the cascading failure to a feature flag, deployment timing during peak traffic, and inefficient database connection management.

Hex reported a major incident on the Main site: code cells displaying HTML were not rendering. It started at 2025-07-18 12:40 UTC and was resolved at 2025-07-18 13:57 UTC, lasting 1 h 16 min. A fix was implemented at 13:26 UTC.

Hex reported a major degradation in Kernels, with some customers unable to acquire kernels, starting 2025-06-02 16:01 UTC. A fix was implemented by 2025-06-02 16:25 UTC, and the incident was resolved at 2025-06-02 17:34 UTC; the reported duration was 1 h 32 min.

Hex reported major degradation in kernel acquisition affecting Kernels, starting 2025-05-18 23:38 UTC and lasting 43 min until resolution at 2025-05-19 00:21 UTC. Hex stated that it identified the issue and implemented a fix; no cause was provided.

Hex reported critical degradation of kernel acquisition from 2025-05-13 14:38 UTC to 2025-05-13 19:10 UTC, lasting 4 h 32 min. A fix was implemented; the postmortem attributed the incident to an AWS EBS storage issue backing its primary database replica, degrading replica performance and eventually backpressuring critical writes on the primary database.

Hex reported a major Main site incident where inputs were not reacting on some published apps using the pre-run cells in the background feature. It started at 2025-04-25 13:20 UTC and lasted 2 h 55 min, resolving at 2025-04-25 16:15 UTC; a fix was implemented at 04-25 15:35 UTC.

Hex reported major instability in project loads affecting the Main site, starting 2025-02-06 19:39 UTC and resolved at 2025-02-06 21:29 UTC, lasting 1 h 49 min. Hex stated that a fix had been implemented and was being monitored at the start of the incident.

Hex reported a critical Main site outage in which projects were not loading for some users, from 2025-02-05 19:03 UTC to 2025-02-05 19:53 UTC (50 min). A fix was implemented by 02-05 19:37 UTC, and the incident was resolved.

Hex projects were not loading on the Main site in a major-impact outage starting 2025-02-04 22:52 UTC and lasting 37 min. A fix was implemented by 2025-02-04 22:56 UTC, and the incident was resolved at 2025-02-04 23:30 UTC.

Hex reported a critical web app outage affecting the Main site, starting 2025-01-30 17:10 UTC and resolved at 2025-01-30 17:56 UTC (computed duration: 45 min). A fix was implemented by 2025-01-30 17:21 UTC, followed by monitoring; no cause was stated.

Hex reported a critical Main site outage that prevented projects from loading, starting at 2025-01-30 14:35 UTC and resolved at 2025-01-30 15:55 UTC, lasting 1 h 20 min. Hex reported implementing a fix and monitoring results; no cause was stated.

Hex reported a major Main site incident in which HTML and styled dataframes were not rendering. It started at 2025-01-17 15:12 UTC and was resolved at 2025-01-17 16:34 UTC, lasting 1 h 22 min; no cause or specific fix was stated.

Hex projects were not loading on the Main site in a critical incident starting 2025-01-08 21:00 UTC and resolved at 2025-01-08 22:41 UTC, lasting 1 h 40 min. Hex reported implementing a fix at 01-08 21:08 UTC and monitoring the results.

Hex reported critical platform instability affecting kernel execution and site access, starting 2024-11-12 16:18 UTC and resolved 2024-11-12 19:08 UTC (2 h 50 min). An unintended effect of a recent database migration caused a backlog and impacted platform performance; Hex reported implementing a fix and resetting kernels.

Hex reported a critical incident affecting Main site and Single tenant stacks: some users could not acquire kernels or run projects. It started at 2024-08-15 18:32 UTC and lasted 3 h 5 min, resolving at 2024-08-15 21:37 UTC; Hex reported implementing a fix but did not state a cause.

Hex reported major intermittent 502 errors affecting access to Main site and Single tenant stacks, starting 2024-06-20 19:18 UTC and resolved at 2024-06-20 20:32 UTC after 1 h 14 min. Hex said it was following a Cloudflare incident involving intermittent connectivity issues; no specific fix was stated.

Hex’s Main site experienced platform instability with major impact from 2024-05-15 15:24 UTC to 2024-05-15 16:13 UTC, lasting 48 min. A fix was implemented by 15:51 UTC, and the incident was resolved at 16:13 UTC.

Hex reported a critical outage affecting Kernels and Main site, with kernels unavailable starting at 2024-03-17 04:08 UTC. A fix was implemented by 2024-03-17 04:42 UTC, and the incident was resolved at 2024-03-17 04:50 UTC; the reported duration was 41 min.

Hex reported major platform instability affecting the Main site, starting at 2024-03-09 18:10 UTC and resolved at 2024-03-09 18:47 UTC after 37 min. Hex attributed the instability to a scheduled system change; no specific fix was stated.

Hex reported degraded kernel execution affecting Kernels and Main site, with major impact, starting at 2023-10-04 18:14 UTC. A fix was implemented by 2023-10-04 18:31 UTC, and the incident was resolved at 2023-10-04 18:45 UTC after 31 min.

Hex reported major kernel instability affecting Kernels starting 2023-08-30 17:34 UTC. The incident lasted 2 h 44 min and was resolved at 2023-08-30 20:18 UTC; no cause or specific fix was stated.

Hex reported a major outage affecting Data Connections and Kernels, starting 2023-08-29 19:30 UTC and resolved at 2023-08-29 22:21 UTC, lasting 2 h 51 min. Hex said it identified the issue and worked with its hosting provider to resolve it, but did not state a specific cause or fix.

Hex reported a major platform availability issue affecting the Main site from 2023-06-26 16:10 UTC to 2023-06-26 16:25 UTC, lasting 15 min. A fix was implemented by 2023-06-26 16:20 UTC, and the incident was resolved.

Hex reported a major platform availability outage affecting Login and Main site, starting at 2023-06-20 13:40 UTC and lasting 3 h 2 min. A fix was implemented by 2023-06-20 14:45 UTC, and the incident was resolved at 2023-06-20 16:43 UTC.

Hex reported a major table display filter inconsistency affecting Main site and Single tenant stacks, starting 2023-04-26 17:45 UTC and resolved at 2023-04-26 19:23 UTC, lasting 1 h 38 min. The vendor identified the issue and implemented a fix but provided no cause or fix details.

Hex reported a major platform availability issue affecting the Main site, starting at 2023-04-12 15:39 UTC and resolved at 2023-04-12 15:58 UTC. The incident lasted 18 min; no cause or specific fix was stated.

Hex reported a critical platform availability issue affecting the Main site from 2023-04-10 20:49 UTC to 2023-04-10 20:54 UTC, lasting 5 min. The incident was resolved; no cause or fix was stated.