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Exceptionless 8.6.2

Exceptionless 8.6.2 adds the new Lume-powered documentation and marketing site, expands Playwright coverage for the Svelte UI, improves production synthetic monitoring, and makes hosted MCP session migration more reliable after reconnects. It also adds focused API controller coverage around authentication, projects, events, Organizations, saved views, tokens, users, webhooks, and project configuration.

Website And Documentation

  • Migrates the public documentation and marketing site to a Lume-based static site with refreshed docs, imported news archive content, search support, and LLM-friendly generated outputs.
  • Adds GitHub Pages workflows for website deployment and preview publishing, with website deploys limited to tagged releases.
  • Adds a static contact form path backed by contact request email handling.
  • Self-hosts website fonts and static assets, restores tour and homepage interactions with native browser behavior, and improves the website Lighthouse baseline.

Reliability And Test Coverage

  • Adds Playwright E2E coverage for onboarding, saved views, filter builder behavior, stack triage, event visibility, and event details.
  • Adds production synthetic monitoring coverage for high-value UI workflows.
  • Adds API fixtures, cleanup helpers, generated users, and stable selectors to keep E2E runs isolated and repeatable.
  • Adds focused API controller tests and test infrastructure for authentication, projects, events, Organizations, saved views, tokens, users, webhooks, and project configuration middleware.

MCP Reliability

  • Adds cached MCP session migration state so authenticated MCP clients can safely resume initialized sessions after reconnects.
  • Scopes MCP session migration by user, OAuth client, and resource, rejecting migration attempts when the authenticated caller changes.

What's Changed

Full Changelog: https://github.com/exceptionless/Exceptionless/compare/v8.6.1...v8.6.2

Breaking Changes

None.

Thanks

Thank you to everyone in the community, our contributors, and our project sponsors for continuing to support Exceptionless.

Source: README.md, updated 2026-07-06