- 
v2.1.0
- Added request options:
- $dns_interface
 
- $dns_local_ip4
 
- $dns_local_ip6
 
- $expect_100_timeout
 
 
 
- 
v2.1.2
- Added request option constants:
 
 
- 
v2.3.0
- Added request options:
- $proxyheader
 
- $unix_socket_path
 
 
- Added SSL request options:
- $pinned_publickey
 
- $tlsauth
 
- $verifystatus
 
 
- Added request option constants:
 
 
- 
v2.5.1
- Added request options:
- $proxy_service_name
 
- $service_name
 
 
- Added SSL request options:
 
 
- 
v2.5.6
- Added request option constants:
 
 
- 
v2.6.0, v3.1.0
- Added methods:
 
- Added client configure options:
- $share_cookies
 
- $share_ssl
 
 
- Changed client configure options:
 
- Added constants:
 
- Added namespaces:
 
- Added interfaces:
 
 
- 
v4.1.0
- Added request options:
 
- Added request option constants:
 
- Added library version constants: