https://upload.wikimedia.org/wikipedia/commons/a/a4/Bitshareslogo.jpg

This is the first BitShares-Core release that supports Ubuntu 18.04 LTS. Due to the new features and improvements included in this release, all nodes are encouraged to upgrade (will replay automatically on first run).

Detailed info and binaries for download: https://github.com/bitshares/bitshares-core/releases/tag/2.0.180823

## Security fixes
- CLI wallet: updated choice of range proof params in cli wallet reveals transaction magnitude to very narrow range for Blinded Transfers (issue #480 / PR #1117 #1227)

## API changes
- Removed crypto_api from default list of allowed APIs. (issue #1123 / PR #1125)
- Changed default `max-ops-per-account` value to 100, impacts account history (#1120)
- Added `get_account_limit_orders` database API to query for open orders of one account in one market #463 #849 #1163
- Added `get_asset_count` API to return total number of available assets #688, #1159
- Added `get_transaction_hex_without_sig` API get serialized transaction hex without `signatures` field (issue #1013 / PR #1038)
- Added support for account name as parameter for all API calls #969 #989 #1164 #1168 #1152 #1155
- Added `fail_reason` field to proposal object #730, #1036
- Retroactively deducted witness `missed_blocks` caused by chain halts #1087

## New features and improvements
- Added Openssl 1.1 and Ubuntu 18.04 support (issue #835 / PR #559 #921 #1008 https://github.com/bitshares/bitshares-fc/pull/7)
  - Fixed invalid use of incomplete type `BIGNUM {aka struct bignum_st}` #327
- Added `witness_node` startup option `--enable-standby-votes-tracking` to track votes of standby witnesses and committee members, enabled by default #987, #1191, #1211
- Added `cli_wallet` startup option `--suggest-brain-key` to generate keys without connecting to a witness_node #1011, #1039
- Added `quit` command to `cli_wallet` #1104, #1050 https://github.com/bitshares/bitshares-fc/pull/63
- Improved witness_node performance for generating blocks, resyncing and replaying
  - Improved account maintenance (vote tally) performance (issue #803/ PR #1085)
  - Improved performance of `database::update_expired_feeds()` and global object getters #1093 #1180
  - Slightly improved price comparison performance #1094 #1124
  - Added index on `short_backing_asset`, better performance for updating asset (Issue #960 / PR #1019)

### Docker File
- Changed default docker p2p port to 1776, fixed p2p port to match Dockerfile #1226, #1078
- Fixes to make Docker containers shutdown gracefully #1077 #1115
- Fixed Docker Cloud Build Failing Due to Compile Time #1221 #1222
- Modified Dockerfile to work with new docker cloud version (0.10.1) #1075
- Updated testnet Branch to Include Latest Dockerfile #1074

### Elasticsearch
- Elasticsearch refactor #1103 #1201
  - Add auth to communicate with the ES database with `--elasticsearch-basic-auth` startup option.
  - Custom index names with `--elasticsearch-index-prefix` startup option.
  - Removed `--elasticsearch-logs` startup option
  - Better error handling: if there is an error when sending data to ElasticSearch, plugin will stop processing blocks and keep trying, and it resumes when connection is back at the same place. #681
  - add operation_id_num for easier filtering.
  - Fill orders data in additional for easy volume.
  - Test cases framework. #1047
  - Make full use of common functions in the 2 plugins(utilities).
  - flush ES database on every block when node is in sync to improve real time user experience. #1137
  - Increased performance of the `elasticsearch` plugin where possible: #1260 
- Updated documentation https://github.com/bitshares/bitshares-core/wiki/ElasticSearch-Plugin

## Bugfixes
- Fixed CLI `get_account_history` pagination issue (duplicate ops when `limit` great than 100) #1176, #1177, #1179
- Fixed `cli_wallet` crashes for macOS 10.13.5 #1127 https://github.com/bitshares/bitshares-fc/pull/60
- Fixed a bug related to undo database that may cause `witness_node` to crash #1247 #1257
- Fixed "log file of current hour gets overwritten by default" #809 https://github.com/bitshares/bitshares-fc/pull/56
- Fixed 2 minor bugs in snapshot plugin #1185
- Fixed object database exception handling when built with Boost 1.66 (#852 #1126 #1161)
- Enable `boost::stacktrace` correctly https://github.com/bitshares/bitshares-fc/pull/66

## Other changes
- Integrated SonarCloud into Travis build (issue #836 / PR #1081 https://github.com/bitshares/bitshares-fc/pull/49)
- Travis speedup by using ccache #1264
- Added `USE_PROFILER` option to Cmake to enable profiling #1119
- Added `OPENSSL_CONF_SOURCE` variable for building in Windows https://github.com/bitshares/bitshares-fc/pull/59
- Added cli_tests to Travis-CI #1156
- Added `asset_api_tests` #1202
- Added new seed node by bangzi #1130 #1138
- Changed default `core_exchange_rate` quote asset in order to create asset more easily #1132
- Updated node.cpp, check attacker/buggy client before updating items ids #1007
- Optimized `find()` call in P2P code #1090, #1091
- Refactored `get_impacted_account_visitor`, removed duplicate code from impacted.cpp #845 #1073
- Refactored `cancel_all_subscriptions` for better performance and consistency #762 #1009 https://github.com/bitshares/bitshares-fc/pull/50
- Changed `push_proposal exception` log level to warn #1146
- Cleaned up Balance evaluator code #1150
- Cleaned up `get_named_account_balances` code #1154 , #1135
- Cleaned up logging in account.cpp #1010
- Cleanup up a visitor struct in static_variant.hpp https://github.com/bitshares/bitshares-fc/pull/58
- Removed obsolete constants (issue #1034 / PR #1072)
- Removed unused "smaz" compression #986 https://github.com/bitshares/bitshares-fc/pull/51
- Removed unused bz2 linkage #1003 https://github.com/bitshares/bitshares-fc/pull/52
- Removed double assert in `object_id_type` constructor #1128
- Removed protocol.hpp #1197, #1200
- Backported EOS PR 3560 replace assert in FC::crypto #992 https://github.com/bitshares/bitshares-fc/pull/54
- Backported EOS PR 3240 HTTP performance improvement, added move-semantic-version `set_body` function #999 https://github.com/bitshares/websocketpp/pull/1 https://github.com/bitshares/bitshares-fc/pull/65
- Updated test case for `time_point_sec::to_iso_string`, detect boost version #597 https://github.com/bitshares/bitshares-fc/pull/67
- Fixed Performance sucks at first block after a long sequence of missed blocks #1086 #1087
  - witness `missed_blocks` count no longer increases due to chain halt (retroactive change)
- Fixed cli_tests websocket port binding #1178 #1187
- Fixed RPC logging level inconsistency #929 https://github.com/bitshares/bitshares-fc/pull/62
- Fixed wallet in-code docs, suppressed compiler warnings  #1015 #1181 #1129 #1199 #1190
- Updated `asset_object::amount_to_string` implementation for slightly better performance #1012
- Updated system requirements into Documents #1107 #1108
- Updated README.md document #1121, #1166, #1212


## Contributors in this release:

- @pmconrad
- @abitmore
- @oxarbitrage
- @jmjatlanta
- @cogutvalera / @nanomobile
- @cifer-lee
- @ryanRfox
- @nathanhourt
- @christophersanborn
- @xeroc
- @xiangxn
- @RichardWeiYang
- @Zapata
- @cwyyprog
- @Tydus

---

BTS 2.0.180823 新版本已发布。

下载地址： https://github.com/bitshares/bitshares-core/releases/tag/2.0.180823

这个版本优化了很多东西，第一次启动还是会 replay 。


部分优化清单如下：

支持 Ubuntu 18.04 和 OpenSSL 1.1.0 了；
可以看到备选理事会票数了；
replay 时间降为原来的 1/3 ；
账户相关的API都支持传入账户名了（原来只能传ID）；
命令行钱包加了 quit 命令；
Elasticsearch 插件大量优化。

代码贡献者：

- @pmconrad
- @abitmore
- @oxarbitrage
- @jmjatlanta
- @cogutvalera / @nanomobile
- @cifer-lee
- @ryanRfox
- @nathanhourt
- @christophersanborn
- @xeroc
- @xiangxn
- @RichardWeiYang
- @Zapata
- @cwyyprog
- @Tydus