v0.18.0

What's Changed

• feat: Add W3C trace context support by @sriemer in #340 (fixed in #345)
• fix: Gate W3C trace support to request phases with ngx.var access by @mtrop-godaddy in #345
• feat: Add timer context support for get_client_body_reader by @zhuizhuhaomeng in #336
• perf: Avoid pcall when validating the Connection response header by @zhuizhuhaomeng in #335
• fix: http: send_request: Amend EXPECTING_BODY nil by @chensunny in #344
• fix: Make connection pool name logging optional by @piotrp in #322
• several development improvements by @chensunny, @sriemer, and @mtrop-godaddy

Full Changelog: v0.17.2...v0.18.0

Migration

• check your LUA code for POST, PUT, and PATCH requests without body set (body is nil)
• set body = "" (empty body) for those requests

The previous behavior to let those HTTP requests through violates HTTP specs and those requests fail now.
See #344 for details.