ejabberd compression after SASL

I write my own jabber client. The stream flow is described as below. However, after SASL authentication success (on step 2 & 3), there is no "compression" feature. Based on XEP-0170, the recommended of order stream negotiation is
1.TLS
2.SASL
3.Stream compression
4.Resource binding

The stream compresssion should be supported after SASL negotiation. I find similar issue on https://support.process-one.net/browse/EJAB-1382. Looks like the issue has not been solved. I'm wondering when this issue can be integrated on the next release and what ejabberd release is.
About your suggestion on my previous discussion (ejabberd 2.1.6 with postgres 9), I will try to give you feedback as soon as possible. Thanks for your kind response.

1. Open stream
<stream:features>
<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'>
<compression xmlns='http://jabber.org/features/compress'>
<method>zlib

<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
<mechanism>DIGEST-MD5
<mechanism>PLAIN

<c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://www.process-one.net/en/ejabberd/' ver='4tUF5PLCsYGpwAj5xfQ9p+zIzTU='>
<register xmlns='http://jabber.org/features/iq-register'>

2. Using SASL
<auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="PLAIN">xxxx

3. Authentication success
<success xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>

4. Open stream again
<stream:stream to="natalius-vaio" xmlns="jabber:client" xmlns:stream="http://etherx.jabber.org/streams" version="1.0" >

5. Features List after SASL
<stream:features>
<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
<session xmlns='urn:ietf:params:xml:ns:xmpp-session'>
<c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://www.process-one.net/en/ejabberd/' ver='4tUF5PLCsYGpwAj5xfQ9p+zIzTU='>
<register xmlns='http://jabber.org/features/iq-register'>
</stream:features>

6. Start to resource binding
<iq type="set" id="bind">bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"><resource>Chat

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