Sample JSON:

```
{
  "method": "GET",
  "path": "/admin",
  "format": "html",
  "controller": "Admin::DashboardController",
  "action": "index",
  "status": 500,
  "duration": 2584.11,
  "view": 0,
  "db": 9.21,
  "time": "2019-11-14T13:12:46.156Z",
  "params": [],
  "remote_ip": "127.0.0.1",
  "user_id": 1,
  "username": "root",
  "ua": "Mozilla/5.0",
  "queue_duration": 274.35,
  "correlation_id": "KjDVUhNvvV3",
  "cpu_s": 2.837645135999999,
  "exception": {
    "class": "NameError",
    "message": "undefined local variable or method `adsf'",
    "backtrace": [
      "app/controllers/admin/dashboard_controller.rb:11:in `index'",
      ...
    ]
  }
}
```

This change also drops the `error` field in favor of `exception.class`
and `exception.message`.

Closes https://gitlab.com/gitlab-org/gitlab/issues/36297

Remove all references to BoardService in board_form.vue

See merge request gitlab-org/gitlab!20158

Change video with to 400 in element_attrs

See merge request gitlab-org/gitlab!20056

Remove var from merge_request.js

Closes #36271

See merge request gitlab-org/gitlab!20117

Merge branch '35751-new-trial-flow-for-logged-in-user-should-not-take-them-to-the-customer-portal' into 'master'

New Trial flow for logged in user should not take them to the Customer Portal

See merge request gitlab-org/gitlab!19978

Upgrade `sanitize-html` to latest version

See merge request gitlab-org/gitlab!20277

Move subscribed field to IssueType

See merge request gitlab-org/gitlab!19458

- remove the ExtendedIssueType and include all fields in IssueType
- move subscribed field from ExtendedIssueType to IssueType
- add a complexity of 5 to the subscribed field

Data model updates to allow linking of Vulnerabilities to Issues

See merge request gitlab-org/gitlab!19852

Add vulnerability_issue_links DB table
to support many-to-many linking
between Issues and Vulnerabilities.
Add the correponding model
VulnerabilityIssueLink and associations
on both Vulnerability and Issue.

Limit input size for Prometheus alert JSON payload

Closes #14929

See merge request gitlab-org/gitlab!19940

Refactor sidebar notifications disabled from HAML to Vue

Closes #31184

See merge request gitlab-org/gitlab!20007

Adds in a URL field for DAST reports modal data

Closes #34514

See merge request gitlab-org/gitlab!20162

- Adds it to the dashboard
- Adds it to the MR widget

"Verify SAML Configuration"  lets users see Response XML, NameID and validations

Closes #33714

See merge request gitlab-org/gitlab!18362

Revert "Only inject gon variables and perform redirects for HTML"

Closes #36612

See merge request gitlab-org/gitlab!20280

Bump gpgme to 2.0.19

See merge request gitlab-org/gitlab!20041

Bump nokogiri to 1.10.5

See merge request gitlab-org/gitlab!20074

Enable RSpec example_status_persistence_file_path setting

See merge request gitlab-org/gitlab!19655

Update squash_commit_sha only on successful merge

See merge request gitlab-org/gitlab!19688

Add docs for Grafana integration and embeds

See merge request gitlab-org/gitlab!18541

Monitoring features now include the ability to embed grafana
metrics directly in GitLab Flavored Markdown. Added as a part of
https://gitlab.com/gitlab-org/gitlab/issues/31376

Make EE environments dashboards specs compatible w/ BootstrapVue 2

See merge request gitlab-org/gitlab!19908

Reformat predefined variables table

See merge request gitlab-org/gitlab!20263

Document edit button in custom dashboards

Closes #36352

See merge request gitlab-org/gitlab!20139

Document new link to pod logs in sidebar

Closes #35401

See merge request gitlab-org/gitlab!20204

Fix sub group export to export direct children

See merge request gitlab-org/gitlab!20172

Update documentation for CI cache key when using files

See merge request gitlab-org/gitlab!20142

Add declarative_policy_class to Declarative Policy

See merge request gitlab-org/gitlab!20132

Add info about checking background_migration queue

See merge request gitlab-org/gitlab!20219