2.6.8 (2023-01-13)

Bug Fixes

• headers: don't forward secure headers on protocol change (#1605) (fddad0e), closes #1599
• premature close with chunked transfer encoding and for async iterators in Node 12 (#1172) (50536d1), closes #1064 /github.com/node-fetch/node-fetch/pull/1064#issuecomment-849167400
• prevent hoisting of the undefined global variable in browser.js (#1534) (8bb6e31)