Inital Release: OTP 22.0
Git Tag: OTP-22.0
Date: 2019-02-26
Trouble Report Id: OTP-13397, OTP-14282, OTP-14461, OTP-14625,
OTP-14703, OTP-14724, OTP-14731, OTP-14732,
OTP-14737, OTP-14831, OTP-14894, OTP-14984,
OTP-15011, OTP-15055, OTP-15063, OTP-15075,
OTP-15095, OTP-15111, OTP-15128, OTP-15129,
OTP-15195, OTP-15200, OTP-15211, OTP-15220,
OTP-15238, OTP-15261, OTP-15262, OTP-15273,
OTP-15336, OTP-15340, OTP-15349, OTP-15351,
OTP-15362, OTP-15381, OTP-15385, OTP-15386,
OTP-15427, OTP-15439, OTP-15451, OTP-15452,
OTP-15456, OTP-15491, OTP-15534, OTP-15535,
OTP-15543, OTP-15550, OTP-15564, OTP-15571,
OTP-15575, OTP-15581, OTP-15588, OTP-15610,
OTP-15611, OTP-15612, OTP-15613, OTP-15621,
OTP-15622, OTP-15631, OTP-15632, OTP-15633
Seq num: ERL-639, ERL-714, ERL-749
System: OTP
Release: 22
Application: asn1-5.0.9, common_test-1.16.2, compiler-7.4,
crypto-4.5, debugger-4.2.7, dialyzer-3.3.2,
eldap-1.2.7, erl_docgen-0.8.2,
erl_interface-3.10.5, erts-11.0, hipe-3.18.3,
inets-7.0.6, jinterface-1.9.2, kernel-6.3,
megaco-3.18.5, mnesia-4.16, observer-2.8.3,
odbc-2.12.3, os_mon-2.5, public_key-1.6.5,
reltool-0.8, runtime_tools-1.13.2, sasl-3.4,
snmp-5.3, ssh-4.7.4, ssl-9.2, stdlib-3.8,
syntax_tools-2.1.7, tools-3.1, wx-1.8.7,
xmerl-1.3.20
Predecessor: OTP
Check out the git tag OTP-22.0, and build a full OTP system including
documentation.
---------------------------------------------------------------------
--- HIGHLIGHTS ------------------------------------------------------
---------------------------------------------------------------------
OTP-13397 Application(s): erts
Add support for Erlang Distribution protocol to split
the payload of large signals into several fragments.
This allows other processes to communicate
uninterrupted during the transmission of these signals.
OTP-14894 Application(s): compiler
Related Id(s): ERL-714
The compiler has been rewritten to internally use an
intermediate representation based on Static Single
Assignment (SSA). The new intermediate representation
makes more optimizations possible.
Most noticeable is that the binary matching
optimizations are now applicable in many more
circumstances than before.
Another noticeable change is that type optimizations
are now applied across local function calls, and will
remove a lot more redundant type tests than before.
OTP-15055 Application(s): ssl
Use new logger API in ssl. Introduce log levels and
verbose debug logging for SSL.
OTP-15128 Application(s): erts, stdlib
ETS option write_concurrency now also affects and
improves the scalability of ordered_set tables. The
implementation is based on a data structure called
contention adapting search tree, where the lock
granularity adapts to the actual amount of concurrency
exploited by the applications in runtime.
OTP-15439 Application(s): erts
The length/1 BIF used to calculate the length of the
list in one go without yielding, even if the list was
very long. In OTP 22, length/1 will yield when called
with a long lists.
OTP-15456 Application(s): compiler
All compiler options that can be given in the source
file can now also be given in the option list or from
the command line for erlc.
Specifically, the option
{nowarn_deprecated_function,MFAs} was only recognized
when given in the file with the attribute -compile().
The option {nowarn_unused_function,FAs} was incorrectly
documented to only work in a file, but it also worked
when given in the option list.
OTP-15575 Application(s): tools
The cover tool now uses the counters module instead of
ets for updating the counters for how many times a line
has been executed. By default, Cover will work with
distributed nodes, but a new function
cover:local_only/0 allows running the Cover in a
restricted but faster local-only mode.
The increase in speed will vary depending on the type
of code being cover-compiled, but as an example, the
compiler test suite runs more than twice as fast with
the new Cover.
---------------------------------------------------------------------
--- POTENTIAL INCOMPATIBILITIES -------------------------------------
---------------------------------------------------------------------
OTP-15381 Application(s): stdlib
The gen_* behaviours have been changed so that if
logging of the last N messages through sys:log/2,3 is
active for the server, this log is included in the
terminate report.
To accomplish this the format of "System Events" as
defined in the man page for sys has been clarified and
cleaned up, a new function sys:get_log/1 has been
added, and sys:get_debug/3 has been deprecated. Due to
these changes, code that relies on the internal badly
documented format of "System Events", need to be
corrected.
OTP-15571 Application(s): reltool
A new element, Opts, can now be included in a rel tuple
in the reltool release specific configuration format:
{rel, Name, Vsn, RelApps, Opts}.
This supports the use of {rel, Name, Vsn, RelApps,
[{load_dot_erlang, false}]} to prevent the boot script
from running the .erlang file.
The incompatibilities are as follows:
* The return from reltool:get_config/1 and
reltool:get_config/3 includes the new rel tuple for all
rels where the load_dot_erlang option is set to false.
* The return from reltool:get_config/3 includes the new
rel tuple for ALL rels if the InclDefs parameter is set
to true.
OTP-15613 Application(s): erts
All external pids/ports/refs created by
erlang:list_to_pid and similar functions now compare
equal to any other pid/port/ref with the same number
from that node.
Before this change they compared differently because
the node creation of the pid/port/ref did not compare
equal to any real pid/port/ref creation.
OTP-15621 Application(s): erl_interface, otp
The limited support for VxWorks is deprecated as of OTP
22, and will be removed in OTP 23.
OTP-15622 Application(s): erl_interface
The old legacy erl_interface library (functions with
prefix erl_) is deprecated as of OTP 22, and will be
removed in OTP 23. This does not apply to the ei
library. Reasonably new gcc compilers will issue
deprecation warnings. In order to disable these
warnings, define the macro EI_NO_DEPR_WARN.
---------------------------------------------------------------------
--- OTP-22.0 --------------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
--- Improvements and New Features ---
OTP-14625 Application(s): otp
Configure scripts in different OTP applications are now
executed in parallel during build of OTP.
OTP-15220 Application(s): otp
Documented how atoms are ordered in reference manual.
OTP-15621 Application(s): erl_interface, otp
*** POTENTIAL INCOMPATIBILITY ***
The limited support for VxWorks is deprecated as of OTP
22, and will be removed in OTP 23.
---------------------------------------------------------------------
--- asn1-5.0.9 ------------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
Full runtime dependencies of asn1-5.0.9: erts-7.0, kernel-3.0,
stdlib-2.0
---------------------------------------------------------------------
--- common_test-1.16.2 ----------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
--- Improvements and New Features ---
OTP-15633 Application(s): common_test, erl_interface, inets,
stdlib
Related Id(s): PR-1787
Use ssh as the default remote shell.
Full runtime dependencies of common_test-1.16.2: compiler-6.0,
crypto-3.6, debugger-4.1, erts-7.0, ftp-1.0.0, inets-6.0, kernel-4.0,
observer-2.1, runtime_tools-1.8.16, sasl-2.4.2, snmp-5.1.2, ssh-4.0,
stdlib-3.5, syntax_tools-1.7, tools-2.8, xmerl-1.3.8
---------------------------------------------------------------------
--- compiler-7.4 ----------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-14894 Application(s): compiler
Related Id(s): ERL-714
*** HIGHLIGHT ***
The compiler has been rewritten to internally use an
intermediate representation based on Static Single
Assignment (SSA). The new intermediate representation
makes more optimizations possible.
Most noticeable is that the binary matching
optimizations are now applicable in many more
circumstances than before.
Another noticeable change is that type optimizations
are now applied across local function calls, and will
remove a lot more redundant type tests than before.
OTP-15273 Application(s): compiler
Related Id(s): ERL-639
Funs are no longer created when they are only used
locally, greatly improving the performance of named
funs and "fun-wrapped" macros.
OTP-15456 Application(s): compiler
*** HIGHLIGHT ***
All compiler options that can be given in the source
file can now also be given in the option list or from
the command line for erlc.
Specifically, the option
{nowarn_deprecated_function,MFAs} was only recognized
when given in the file with the attribute -compile().
The option {nowarn_unused_function,FAs} was incorrectly
documented to only work in a file, but it also worked
when given in the option list.
Full runtime dependencies of compiler-7.4: crypto-3.6, erts-9.0,
hipe-3.12, kernel-4.0, stdlib-2.5
---------------------------------------------------------------------
--- crypto-4.5 ------------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-14461 Application(s): crypto, stdlib
Related Id(s): PR-1857
A new rand module algorithm, exro928ss
(Xoroshiro928**), has been implemented. It has got a
really long period and good statistical quality for all
output bits, while still being only about 50% slower
than the default algorithm.
The same generator is also used as a long period
counter in a new crypto plugin for the rand module,
algorithm crypto_aes. This plugin uses AES-256 to
scramble the counter which buries any detectable
statistical artifacts. Scrambling is done in chunks
which are cached to get good amortized speed (about
half of the default algorithm).
OTP-14732 Application(s): crypto
Related Id(s): PR-2068, PR-2095
Crypto's single C-file are splitted into multiple
files. The different coding styles in the different
parts are unified into a single one.
OTP-15129 Application(s): crypto, erts
Build configuration of the crypto application has been
moved from the erts application into the crypto
application.
OTP-15451 Application(s): crypto
Crypto internals is partly re-written to facilitate a
planned new and possibly faster api for block and
stream ciphers.
OTP-15564 Application(s): crypto
Related Id(s): PR-2129
Adds two hash functions blake2b and blake2s (64 bit
hash and 32 bit hash respectively). These are modern
and standard hash functions used in blockchains and
encrypted communication protocols. The hash functions
are available in OpenSSL since version 1.1.1.
Full runtime dependencies of crypto-4.5: erts-9.0, kernel-5.3,
stdlib-3.4
---------------------------------------------------------------------
--- debugger-4.2.7 --------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
Full runtime dependencies of debugger-4.2.7: compiler-5.0, erts-9.0,
kernel-5.3, stdlib-3.4, wx-1.2
---------------------------------------------------------------------
--- dialyzer-3.3.2 --------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
Full runtime dependencies of dialyzer-3.3.2: compiler-7.0, erts-9.0,
hipe-3.16.1, kernel-5.3, stdlib-3.4, syntax_tools-2.0, wx-1.2
---------------------------------------------------------------------
--- eldap-1.2.7 -----------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-15632 Application(s): eldap, public_key, ssh
Ticket!
Full runtime dependencies of eldap-1.2.7: asn1-3.0, erts-6.0,
kernel-3.0, ssl-5.3.4, stdlib-2.0
---------------------------------------------------------------------
--- erl_docgen-0.8.2 ------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
Full runtime dependencies of erl_docgen-0.8.2: edoc-0.7.13, erts-9.0,
stdlib-3.4, xmerl-1.3.7
---------------------------------------------------------------------
--- erl_interface-3.10.5 --------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-15340 Application(s): erl_interface, erts, megaco, odbc
Related Id(s): OTP-14625
Minor adjustments made to build system for parallel
configure.
OTP-15621 Application(s): erl_interface, otp
*** POTENTIAL INCOMPATIBILITY ***
The limited support for VxWorks is deprecated as of OTP
22, and will be removed in OTP 23.
OTP-15622 Application(s): erl_interface
*** POTENTIAL INCOMPATIBILITY ***
The old legacy erl_interface library (functions with
prefix erl_) is deprecated as of OTP 22, and will be
removed in OTP 23. This does not apply to the ei
library. Reasonably new gcc compilers will issue
deprecation warnings. In order to disable these
warnings, define the macro EI_NO_DEPR_WARN.
OTP-15633 Application(s): common_test, erl_interface, inets,
stdlib
Related Id(s): PR-1787
Use ssh as the default remote shell.
---------------------------------------------------------------------
--- erts-11.0 -------------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-15535 Application(s): erts
Related Id(s): PR-2055
Do not allocate new bitstring/binary when an empty
binary is appended.
OTP-15543 Application(s): erts
Related Id(s): PR-2089
Document that process_info(_, current_function) can
return {current_function, undefined} in case of
execution of native code.
--- Improvements and New Features ---
OTP-13397 Application(s): erts
*** HIGHLIGHT ***
Add support for Erlang Distribution protocol to split
the payload of large signals into several fragments.
This allows other processes to communicate
uninterrupted during the transmission of these signals.
OTP-14831 Application(s): erts, kernel
A simple socket API has been provided through the
socket module. Known issues are; No support for the
Windows OS (currently), a small term leakage.
OTP-15011 Application(s): erts
Related Id(s): PR-2147
Added NIF functions enif_set_pid_undefined,
enif_is_pid_undefined and enif_compare_pids.
OTP-15063 Application(s): erts
Underutilized memory segments (carriers) can now move
between all allocator instances, rather than just
between instances of the same type, which greatly
reduces memory usage in some scenarios.
OTP-15075 Application(s): erts
The emulator will now mark free blocks in pooled
carriers with madvise(2) + MADV_FREE (or similar),
letting the OS reclaim the associated physical memory
if necessary.
OTP-15095 Application(s): erts
New ERL_NIF_SELECT_CANCEL feature added to enif_select
in order to cancel (or "deselect") a read or write
event on a previously selected file descriptor.
OTP-15128 Application(s): erts, stdlib
*** HIGHLIGHT ***
ETS option write_concurrency now also affects and
improves the scalability of ordered_set tables. The
implementation is based on a data structure called
contention adapting search tree, where the lock
granularity adapts to the actual amount of concurrency
exploited by the applications in runtime.
OTP-15129 Application(s): crypto, erts
Build configuration of the crypto application has been
moved from the erts application into the crypto
application.
OTP-15195 Application(s): erts
Related Id(s): PR-1812
Anonymous functions that don't capture environment are
now created at load-time instead of in run-time.
OTP-15211 Application(s): erts
Related Id(s): PR-1889
Optimize updates of maps with identical keys and
values. E.g. in the example below the original Map will
be reused as the return of the update.
1> Map = #{ a => b }. #{ a => b } 2> Map#{ a := b }.
OTP-15238 Application(s): erts
Related Id(s): PR-1803
Optimize binary:match/2 and binary:matches/2 to use
memchr internally.
OTP-15261 Application(s): erts
The runtime system used to terminate when a message
larger than 2 Gb was passed over the distribution. The
send operation will now instead throw a system_limit
exeption.
OTP-15336 Application(s): erts, sasl
Related Id(s): PR-1825
Change the first module called by erts to be names
erl_init instead of otp_ring0. systools in sasl have
been updated to reflect this change.
OTP-15340 Application(s): erl_interface, erts, megaco, odbc
Related Id(s): OTP-14625
Minor adjustments made to build system for parallel
configure.
OTP-15349 Application(s): erts
Related Id(s): PR-2084
Two new NIF interface functions enif_select_read and
enif_select_write. They are similar to existing
enif_select but allow a custom event message as
argument.
OTP-15351 Application(s): erts
Related Id(s): ERL-749
The embedded copy of zlib has been updated from 1.2.8
to 1.2.11.
Note that this copy is only used as a fallback when the
target platform doesn't provide any zlib development
libraries. If your system provides zlib then it will be
used even if it is older than 1.2.11.
OTP-15362 Application(s): erts
Related Id(s): PR-2127
New NIF function enif_make_monitor_term.
OTP-15427 Application(s): erts
Appending lists (The ++ operator) will now yield
properly on large inputs.
OTP-15439 Application(s): erts
*** HIGHLIGHT ***
The length/1 BIF used to calculate the length of the
list in one go without yielding, even if the list was
very long. In OTP 22, length/1 will yield when called
with a long lists.
OTP-15581 Application(s): erts
Related Id(s): OTP-15580
The transitory emulator option +ztma true (introduced
in OTP 21.3) has been removed.
OTP-15610 Application(s): erts
The termination behaviour of processes has changed to
allow processes to yield while sending link
exit/monitor down signals.
OTP-15611 Application(s): erts, kernel
The dist messages EXIT, EXIT2 and MONITOR_DOWN have
been updated with new versions that send the reason
term as part of the payload of the message instead of
as part of the control message.
The old versions are still present and can be used when
communicating with nodes that don't support the new
versions.
OTP-15612 Application(s): erts
When sending messages, exit, exit2 and monitor down
distributed signals, the process sending will now yield
appropriately.
This means that a terminating process will yield and
possibly be suspended on busy distribution entries
while they are terminating. This means that any memory
held by such processes will not be released until after
all exit/monitor down signals have been sent.
OTP-15613 Application(s): erts
*** POTENTIAL INCOMPATIBILITY ***
All external pids/ports/refs created by
erlang:list_to_pid and similar functions now compare
equal to any other pid/port/ref with the same number
from that node.
Before this change they compared differently because
the node creation of the pid/port/ref did not compare
equal to any real pid/port/ref creation.
OTP-15631 Application(s): erts
The iolist_size/1 function is now yielding which means
that an Erlang/OTP system will be responsive even if
the applications running on the system frequently call
iolist_size/1 with large iolists.
Full runtime dependencies of erts-11.0: kernel-6.1, sasl-3.3,
stdlib-3.5
---------------------------------------------------------------------
--- hipe-3.18.3 -----------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-15385 Application(s): hipe
Related Id(s): PR-1986
Add function hipe:erllvm_is_supported to check presence
of suitable version of the LLVM tool chain as well as
supported hardware architecture. The old
hipe:llvm_support_available has been removed.
OTP-15386 Application(s): hipe
Related Id(s): PR-1963
Fix hipe LLVM for FreeBSD and other non-linux unix to
use /tmp/ instead of /dev/shm/.
Full runtime dependencies of hipe-3.18.3: compiler-5.0, erts-9.3,
kernel-5.3, stdlib-3.4, syntax_tools-1.6.14
---------------------------------------------------------------------
--- inets-7.0.6 -----------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
--- Improvements and New Features ---
OTP-15633 Application(s): common_test, erl_interface, inets,
stdlib
Related Id(s): PR-1787
Use ssh as the default remote shell.
Full runtime dependencies of inets-7.0.6: erts-6.0, kernel-3.0,
mnesia-4.12, runtime_tools-1.8.14, ssl-5.3.4, stdlib-3.5
---------------------------------------------------------------------
--- jinterface-1.9.2 ------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
---------------------------------------------------------------------
--- kernel-6.3 ------------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-14831 Application(s): erts, kernel
A simple socket API has been provided through the
socket module. Known issues are; No support for the
Windows OS (currently), a small term leakage.
OTP-15491 Application(s): kernel
Related Id(s): com/erlang/otp/pull/2019, https://github
Improved the documentation for the linger option.
OTP-15611 Application(s): erts, kernel
The dist messages EXIT, EXIT2 and MONITOR_DOWN have
been updated with new versions that send the reason
term as part of the payload of the message instead of
as part of the control message.
The old versions are still present and can be used when
communicating with nodes that don't support the new
versions.
Full runtime dependencies of kernel-6.3: erts-10.1, sasl-3.0,
stdlib-3.5
---------------------------------------------------------------------
--- megaco-3.18.5 ---------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-15262 Application(s): megaco, runtime_tools
Related Id(s): OTP-15129
Minor updates to build system necessary due to move of
configuration of crypto application.
OTP-15340 Application(s): erl_interface, erts, megaco, odbc
Related Id(s): OTP-14625
Minor adjustments made to build system for parallel
configure.
Full runtime dependencies of megaco-3.18.5: asn1-3.0, debugger-4.0,
erts-7.0, et-1.5, kernel-3.0, runtime_tools-1.8.14, stdlib-2.5
---------------------------------------------------------------------
--- mnesia-4.16 -----------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-15550 Application(s): mnesia
Related Id(s): PR-12029
Optimize mnesia:read/1 if data have been written in the
same transaction.
--- Improvements and New Features ---
OTP-15588 Application(s): mnesia
Related Id(s): PR-2102
Optimized dumping of tables with plugin backends.
Full runtime dependencies of mnesia-4.16: erts-9.0, kernel-5.3,
stdlib-3.4
---------------------------------------------------------------------
--- observer-2.8.3 --------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
Full runtime dependencies of observer-2.8.3: erts-7.0, et-1.5,
kernel-3.0, runtime_tools-1.8.14, stdlib-3.5, wx-1.2
---------------------------------------------------------------------
--- odbc-2.12.3 -----------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-15340 Application(s): erl_interface, erts, megaco, odbc
Related Id(s): OTP-14625
Minor adjustments made to build system for parallel
configure.
Full runtime dependencies of odbc-2.12.3: erts-6.0, kernel-3.0,
stdlib-2.0
---------------------------------------------------------------------
--- os_mon-2.5 ------------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-14984 Application(s): os_mon, snmp
Related Id(s): OTP-15329
The application otp_mibs has been removed from OTP.
Some of its components (mibs) has been moved to other
apps (snmp), or removed completely (os_mon).
Full runtime dependencies of os_mon-2.5: erts-6.0, kernel-3.0,
sasl-2.4, stdlib-2.0
---------------------------------------------------------------------
--- public_key-1.6.5 ------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-15632 Application(s): eldap, public_key, ssh
Ticket!
Full runtime dependencies of public_key-1.6.5: asn1-3.0, crypto-3.8,
erts-6.0, kernel-3.0, stdlib-3.5
---------------------------------------------------------------------
--- reltool-0.8 -----------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-15571 Application(s): reltool
*** POTENTIAL INCOMPATIBILITY ***
A new element, Opts, can now be included in a rel tuple
in the reltool release specific configuration format:
{rel, Name, Vsn, RelApps, Opts}.
This supports the use of {rel, Name, Vsn, RelApps,
[{load_dot_erlang, false}]} to prevent the boot script
from running the .erlang file.
The incompatibilities are as follows:
* The return from reltool:get_config/1 and
reltool:get_config/3 includes the new rel tuple for all
rels where the load_dot_erlang option is set to false.
* The return from reltool:get_config/3 includes the new
rel tuple for ALL rels if the InclDefs parameter is set
to true.
Full runtime dependencies of reltool-0.8: erts-7.0, kernel-3.0,
sasl-2.4, stdlib-3.4, tools-2.6.14, wx-1.2
---------------------------------------------------------------------
--- runtime_tools-1.13.2 --------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-15262 Application(s): megaco, runtime_tools
Related Id(s): OTP-15129
Minor updates to build system necessary due to move of
configuration of crypto application.
Full runtime dependencies of runtime_tools-1.13.2: erts-8.0,
kernel-5.0, mnesia-4.12, stdlib-3.0
---------------------------------------------------------------------
--- sasl-3.4 --------------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-15336 Application(s): erts, sasl
Related Id(s): PR-1825
Change the first module called by erts to be names
erl_init instead of otp_ring0. systools in sasl have
been updated to reflect this change.
Full runtime dependencies of sasl-3.4: erts-10.2, kernel-5.3,
stdlib-3.4, tools-2.6.14
---------------------------------------------------------------------
--- snmp-5.3 --------------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-14984 Application(s): os_mon, snmp
Related Id(s): OTP-15329
The application otp_mibs has been removed from OTP.
Some of its components (mibs) has been moved to other
apps (snmp), or removed completely (os_mon).
Full runtime dependencies of snmp-5.3: crypto-3.3, erts-6.0,
kernel-3.0, mnesia-4.12, runtime_tools-1.8.14, stdlib-2.5
---------------------------------------------------------------------
--- ssh-4.7.4 -------------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-15632 Application(s): eldap, public_key, ssh
Ticket!
Full runtime dependencies of ssh-4.7.4: crypto-4.2, erts-6.0,
kernel-3.0, public_key-1.5.2, stdlib-3.3
---------------------------------------------------------------------
--- ssl-9.2 ---------------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-15055 Application(s): ssl
*** HIGHLIGHT ***
Use new logger API in ssl. Introduce log levels and
verbose debug logging for SSL.
Full runtime dependencies of ssl-9.2: crypto-4.2, erts-10.0,
inets-5.10.7, kernel-6.0, public_key-1.5, stdlib-3.5
---------------------------------------------------------------------
--- stdlib-3.8 ------------------------------------------------------
---------------------------------------------------------------------
--- Improvements and New Features ---
OTP-14461 Application(s): crypto, stdlib
Related Id(s): PR-1857
A new rand module algorithm, exro928ss
(Xoroshiro928**), has been implemented. It has got a
really long period and good statistical quality for all
output bits, while still being only about 50% slower
than the default algorithm.
The same generator is also used as a long period
counter in a new crypto plugin for the rand module,
algorithm crypto_aes. This plugin uses AES-256 to
scramble the counter which buries any detectable
statistical artifacts. Scrambling is done in chunks
which are cached to get good amortized speed (about
half of the default algorithm).
OTP-14724 Application(s): stdlib
Related Id(s): PR-2056
Types related to server naming and starting have been
exported from gen_statem. These are: server_name/0,
server_ref/0, start_opt/0, start_ret/0 and
enter_loop_opt/0.
OTP-14731 Application(s): stdlib
Related Id(s): PR-1969
The default algorithm for the rand module has been
changed to exsss (Xorshift116**) which is a combination
of the Xorshift116 (exsp) state update and a new
scrambler "StarStar" from the 2018 paper "Scrambled
Linear Pseudorandom Number Generators" by David
Blackman and Sebastiano Vigna. This combination should
not have the caveat of weak low bits that the previous
default algorithm(s) have had, with the cost of about
10% lower speed. See GitHub pull request #1969.
OTP-14737 Application(s): stdlib
Related Id(s): PR-1855
The generic state machine behaviour gen_statem has
gotten code cleanup and documentation improvements from
GitHub Pull Request #1855, even though the PR itself
was rejected.
OTP-15111 Application(s): stdlib
Update Unicode specification to version 11.0.
OTP-15128 Application(s): erts, stdlib
*** HIGHLIGHT ***
ETS option write_concurrency now also affects and
improves the scalability of ordered_set tables. The
implementation is based on a data structure called
contention adapting search tree, where the lock
granularity adapts to the actual amount of concurrency
exploited by the applications in runtime.
OTP-15200 Application(s): stdlib
Related Id(s): PR-1878
Optimized maps:new/0 with trivial Erlang
implementation, making use of literal terms (the empty
map) not needing dynamic heap allocation.
OTP-15381 Application(s): stdlib
*** POTENTIAL INCOMPATIBILITY ***
The gen_* behaviours have been changed so that if
logging of the last N messages through sys:log/2,3 is
active for the server, this log is included in the
terminate report.
To accomplish this the format of "System Events" as
defined in the man page for sys has been clarified and
cleaned up, a new function sys:get_log/1 has been
added, and sys:get_debug/3 has been deprecated. Due to
these changes, code that relies on the internal badly
documented format of "System Events", need to be
corrected.
OTP-15452 Application(s): stdlib
The gen_statem behaviour engine loop has been optimized
for better performance in particular when the callback
module returns some actions, that is better performance
for more realistic applications than the Echo
Benchmark.
OTP-15633 Application(s): common_test, erl_interface, inets,
stdlib
Related Id(s): PR-1787
Use ssh as the default remote shell.
Full runtime dependencies of stdlib-3.8: compiler-5.0, crypto-3.3,
erts-11.0, kernel-6.0, sasl-3.0
---------------------------------------------------------------------
--- syntax_tools-2.1.7 ----------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
Full runtime dependencies of syntax_tools-2.1.7: compiler-7.0,
erts-9.0, kernel-5.0, stdlib-3.4
---------------------------------------------------------------------
--- tools-3.1 -------------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-15534 Application(s): tools
Related Id(s): PR-2078
Add cprof and tags modules to .app file so that they
are included in releases.
--- Improvements and New Features ---
OTP-15575 Application(s): tools
*** HIGHLIGHT ***
The cover tool now uses the counters module instead of
ets for updating the counters for how many times a line
has been executed. By default, Cover will work with
distributed nodes, but a new function
cover:local_only/0 allows running the Cover in a
restricted but faster local-only mode.
The increase in speed will vary depending on the type
of code being cover-compiled, but as an example, the
compiler test suite runs more than twice as fast with
the new Cover.
Full runtime dependencies of tools-3.1: compiler-5.0, erts-9.1,
kernel-5.4, runtime_tools-1.8.14, stdlib-3.4
---------------------------------------------------------------------
--- wx-1.8.7 --------------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14282 Application(s): asn1, common_test, debugger, dialyzer,
erl_docgen, inets, jinterface, observer, otp,
syntax_tools, wx
Related Id(s): PR-1891
All incorrect (that is, all) uses of "can not" has been
corrected to "cannot" in source code comments,
documentation, examples, and so on.
Full runtime dependencies of wx-1.8.7: erts-6.0, kernel-3.0,
stdlib-2.0
---------------------------------------------------------------------
--- xmerl-1.3.20 ----------------------------------------------------
---------------------------------------------------------------------
--- Fixed Bugs and Malfunctions ---
OTP-14703 Application(s): xmerl
Related Id(s): PR-1964
A typo in an error printout has been fixed.
Full runtime dependencies of xmerl-1.3.20: erts-6.0, kernel-3.0,
stdlib-2.5
---------------------------------------------------------------------
---------------------------------------------------------------------
---------------------------------------------------------------------
