v0.10.6

This release migrates the OPA documentation over to Hugo (from
GitBook). Going forward the OPA documentation will be generated using
Hugo and hosted on Netlify (instead of GitHub Pages). The Hugo/Netlify
stack brings us inline with the goal for other CNCF projects and
provides nice features like "preview before merge".

This release includes a small but backwards incompatible change to the
http.send built-in. Previously, http.send would always decode
responses as JSON even if the Content-Type was unset or explicitly not
JSON. If you were previously relying on HTTP responses that did not
set the Content-Type correctly, you will need to update your policy to
pass "force_json_decode": true as in the http.send parameters.

Fixes

• Fix panic in mod operation (#1245)
• Fix eval tree enumeration to return errors (#1272)
• Fix http.send to handle non-JSON responses (#1258)
• Fix backticks in SSH example that were causing problems (#1260)
• Fix IAM examples to use regex instead of glob syntax (#1282)

Miscellaneous

• Add support to register custom stages in the compiler
• Add rootless Docker image stream
• Improve hash distribution on objects
• Reduce number of allocs in set membership implementation
• docs: Add homebrew install instruction to the Getting Started tutorial
• docs: Many improvements around := vs ==, best practices, cheatsheet, etc.
• cmd: Add --fail-defined flag to eval subcommand
• server: Fix patch path escaping