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-rw-r--r--doc/src/guide/book.asciidoc2
-rw-r--r--doc/src/guide/migrating_from_1.1.asciidoc28
2 files changed, 30 insertions, 0 deletions
diff --git a/doc/src/guide/book.asciidoc b/doc/src/guide/book.asciidoc
index 0fd92a4..821401b 100644
--- a/doc/src/guide/book.asciidoc
+++ b/doc/src/guide/book.asciidoc
@@ -20,4 +20,6 @@ include::websocket.asciidoc[Using Websocket]
= Additional information
+include::migrating_from_1.1.asciidoc[Migrating from Gun 1.1 to 1.2]
+
include::migrating_from_1.0.asciidoc[Migrating from Gun 1.0 to 1.1]
diff --git a/doc/src/guide/migrating_from_1.1.asciidoc b/doc/src/guide/migrating_from_1.1.asciidoc
new file mode 100644
index 0000000..bc2097f
--- /dev/null
+++ b/doc/src/guide/migrating_from_1.1.asciidoc
@@ -0,0 +1,28 @@
+[appendix]
+== Migrating from Gun 1.1 to 1.2
+
+Gun 1.2 adds support for the CONNECT request over HTTP/1.1
+connections.
+
+== Features added
+
+* CONNECT requests can now be issued on HTTP/1.1 connections.
+ The tunneled connection can use any of the protocols Gun
+ supports: HTTP/1.1, HTTP/2 and Websocket over both TCP and
+ TLS transports. Note that Gun currently does not support
+ tunneling a TLS connection over a TLS connection due to
+ limitations in Erlang/OTP.
+
+* Gun supports sending multiple CONNECT requests, allowing
+ the tunnel to the origin server to go through multiple
+ proxies.
+
+* Gun supports sending CONNECT requests with authorization
+ credentials using the Basic authentication mechanism.
+
+* Update Cowlib to 2.6.0
+
+== Functions added
+
+* The functions `gun:connect/2,3,4` have been added. They can
+ be used to initiate CONNECT requests on HTTP/1.1 connections.