Fixed bugs:

• uinteger->pointer doesn't work properly on 32bit environment. #117
• define-record-type with custom protocol on parent doesn't raise an error. #118
• input-port-open? and output-port-open? should not raise an error when port is given. #119
• inconsistency between char-numeric? and digit-value. #120
• quotient return incorrect result. #121
• (log -0.0) should return -inf.0+pi. #122
• promise is evaluated twice. #123
• (exact +nan.0) causes C assertion error. #124
• calling display with socket port raises an error. #125
• letrec, letrec* and internal definition should raise an error if init part contains undefined variable. #127
• write-shtml-as-html doesn't handle *TOP*. #128
• json-read goes infinite loop if string terminates without delimiter. #129
• RSA encryption with PKCS v1.5 padding sometimes generates incorrect padding. #130
• Passing closed socket to fdset caused SEGV.
• TLS server socket calculated signature wrongly.
• Fixing set-xor!, set-xor, bag-xor! and bag-xor.
• heap-search might go infinite loop.

Improvements:

• Parameters' initial values is now initialised even it's created on different threads. #126
• Missing SRFI-116 comparators has been added.
• sxml:attr-list is now exported from (text sxml tools) as well.
• (sagittarius remote-repl) now handles I/O (stdout and stderr) separately.
• Exporting auxiliary syntax defined in SRFI-86.
• -r6 and -r7 options affect reader/writer better.

New features:

• thread-interrupt! procedure has been added.
• socket-select related procedures are now interruptible by above procedure.
• (net server) now also supports non blocking server.
• (util timer) is now resumable

New documents:

• Concurrency library (util concurrent) has been documented.
• Low level socket APIs are documented.