Release 2.21.0

- [FEATURE] QUIC and HTTP/3 Internet Draft 31 support.
- [API] Let user generate Souce Connection IDs.
- [FEATURE] Allow building lsquic as shared library.
- [OPTIMIZATION] Receive history: use a single contiguous memory
  block for everything.
- Deprecate QUIC versions ID-27 and ID-30.

docs/apiref.rst

@@ -48,7 +48,7 @@ developed by the IETF.  Both types are included in a single enum:
 
     .. member:: LSQVER_ID27
 
-        IETF QUIC version ID (Internet-Draft) 27
+        IETF QUIC version ID (Internet-Draft) 27; this version is deprecated.
 
     .. member:: LSQVER_ID28
 
@@ -58,10 +58,14 @@ developed by the IETF.  Both types are included in a single enum:
 
         IETF QUIC version ID 29
 
-    .. member:: LSQVER_ID30
+    .. member:: LSQVER_ID30; this version is deprecated.
 
         IETF QUIC version ID 30
 
+    .. member:: LSQVER_ID31
+
+        IETF QUIC version ID 31
+
     .. member:: N_LSQVER
 
         Special value indicating the number of versions in the enum.  It
@@ -294,6 +298,10 @@ optional members.
         The optional ALPN string is used by the client if :macro:`LSENG_HTTP`
         is not set.
 
+    .. member::                               void (*ea_generate_scid)(lsquic_conn_t *, lsquic_cid_t *, unsigned)
+
+        Optional interface to control the creation of connection IDs.
+
 .. _apiref-engine-settings:
 
 Engine Settings
@@ -786,7 +794,7 @@ settings structure:
     .. member:: unsigned        es_mtu_probe_timer
 
         This value specifies how long the DPLPMTUD probe timer is, in
-        milliseconds.  `[draft-ietf-tsvwg-datagram-plpmtud-22] <https://tools.ietf.org/html/draft-ietf-tsvwg-datagram-plpmtud-22>`_ says:
+        milliseconds.  :rfc:`8899` says:
 
             PROBE_TIMER:  The PROBE_TIMER is configured to expire after a period
             longer than the maximum time to receive an acknowledgment to a
@@ -2169,7 +2177,6 @@ The following log modules are defined:
 - *qlog*: QLOG output.  At the moment, it is out of date.
 - *qpack-dec*: QPACK decoder.
 - *qpack-enc*: QPACK encoder.
-- *rechist*: Receive history.
 - *sendctl*: Send controller.
 - *sfcw*: Stream flow control window.
 - *spi*: Stream priority iterator.

docs/conf.py

@@ -24,9 +24,9 @@ copyright = u'2020, LiteSpeed Technologies'
 author = u'LiteSpeed Technologies'
 
 # The short X.Y version
-version = u'2.20'
+version = u'2.21'
 # The full version, including alpha/beta/rc tags
-release = u'2.20.2'
+release = u'2.21.0'
 
 
 # -- General configuration ---------------------------------------------------

docs/index.rst

@@ -17,7 +17,7 @@ Most of the code in this distribution has been  used in our own products
 since 2017.
 
 Currently supported QUIC versions are Q043, Q046, Q050, ID-27, ID-28,
-ID-29, and ID-30.
+ID-29, ID-30, and ID-31.
 Support for newer versions will be added soon after they are released.
 
 LSQUIC is licensed under the `MIT License`_; see LICENSE in the source