**kfg, kns**: Added API to instruct VDB to silently accept any server certificate as valid.
**kfg, vdb-config**: name resolver service now makes use of fcgi
**kfg, vfs**: Fixed a bug that prevented decryption of objects encrypted with non-UTF8 text password keys
**klib**: added check for NULL format argument to string_printf()
**kns**: Randomly select from multiple proxies in configuration
**test**: added Windows test projects for the new schema and the latest vdb
## NCBI VDB 2.9.0
## NGS SDK 2.9.0
**February 23, 2018**
**align**: AlignAccessRefSeqEnumeratorNext no longer filters by the index
**align**: fixed an order-dependent bug affecting cross-table lookups
**build**: Created a script that allows to add a new volume to existing repository
**version**: changed version to match that of _ncbi-vdb_
**build**: Fixed configure allowing to run it on Perl with version >= v5.26 that has "." removed from @INC
**build**: added "smoke tests"
**build**: recognize version of libhdf5 that does not allow static linking and do not try to use it
**build, doc**: added wiki page: Building-from-source-:--configure-options-explained
**build, ncbi-vdb, sra-tools**: the installation script now saves configuration files if they were modified by the user
**build, vdb-sql**: modified build to avoid vdb-sql in absence of libxml2
**kfg**: added searching of configuration files in ../etc/ncbi/ relative to the binaries
**kfg, prefetch**: set limit of Aspera usage to 450m
**kfg, prefetch, remote-fuser, vfs**: Updated resolving of cache location of non-accession objects
**kfs**: fix to improve on windows
**klib**: Reverted KTimeMakeTime to use UTC
**kns**: Accept the same http_proxy specifications as wget
@@ -34,95 +30,59 @@
**kns**: Ignore HTTP headers sent multiple times
**kns**: Improved reporting of network errors
**kns**: fixed generation of invalid error code in response to dropped connection
**ncbi-vdb**: add ability to make a cache-tee-file without promtion
**ncbi-vdb**: fixed bug of directory not found on mac
**ncbi-vdb, ngs-engine**: improved handling of blobs inside the NGS engine
**ngs**: Examples for python 2.6 were removed
**ngs**: Python examples work with Python 2.6.6
**ngs-engine**: improved performance when iterating through partially aligned and unaligned reads
**ngs-engine**: optimized filtered access to unaligned runs
**sra-tools, vdb**: access to vdb/ngs via SQLite
**vdb**: An assert triggered by a rare condition was fixed
**vdb**: new api to estimate pileup-workload based on slice
**vdb**: new function to open HTTP-file with an arbitrary page-size
**vdb**: progressbar can now be created to output on stderr
**vfs**: Name resolving service was updated and switched to protocol version 3.0
## NCBI VDB 2.8.2
**March 6, 2017**
**blast**: Updated blast library to be able to process runs having empty rows
**build**: Added ability to specify ncbi-vdb/configure --with-magic-prefix. Look for libraries in (lib lib64) when running "configure --with-...-prefix"
**build**: configure detects location of ngs libraries
**build**: configure was fixed to skip options unrecognized by gcc 4.4.7
**build**: created sra-toolkit Debian package
**build**: fixed a bug in 'configure' when in could not find source files in repository saved with non-standard name
**build, kfg**: install updates certs.kfg along with other configuration files
**build, ncbi-vdb, sra-tools**: installation will back up old configuration files if they differ from the ones being installed
**kfs, vdb**: Fixes errors occuring when configuration is missing
**klib**: Fixed logging error reported as "log failure: RC(rcText,rcString,rcConverting,rcBuffer,rcInsufficient)"
**kns**: SRA tools respect standard set of environment variables for proxy specification
**kns**: rewrote socket code to use proper local error code switches, especially Windows
**kns**: updated mbedtls library to version 2.4.1
**ncbi-vdb**: configure in detects existence of ngs jar file
**ncbi-vdb, ngs, ngs-tools, sra-tools**: eliminated memcpy from sources due to potential for overlap
**test**: Improved testing framework
**vdb**: increased tenacity in flushing data to disk to accommodate behaviors of file systems such as Lustre.
**vdb-blast**: Implemented vdb-blast API for retrieving reference sequence
## NCBI VDB 2.8.1
**December 22, 2016**
**kfg**: added possibility to create an empty KConfig object that does not try to load any file
## NCBI VDB 2.8.0
## NGS SDK 1.3.0
**October 7, 2016**
### HTTPS-ENABLED RELEASE
**kfg, kns**: Use environment variables to determine the proxy for a http protocol
**kfg, vdb-config**: vdb-config-GUI has now option to pick up proxy-setting from environment
**build, ngs-tools**: Now ngs-tools look for its dependencies using their normal build paths and does not reconfigure them
**build, ngs-tools**: Now ngs-tools use CMAKE_INSTALL_PREFIX for installation path
**kns**: All tools and libraries now support https
**kns**: replaced all direct uses of sleep() within code to enforce standardization upon mS.
**kproc, ncbi-vdb**: Fixed KCondition to generate timeout error on Windows when timeout exhausted
**ngs**: Fixed all crashes when using null as string in ngs-java APIs
**ngs**: NGS_ReferenceGetChunk() will now return chunks potentially exceeding 5000 bases
**ngs**: fixed potential concurrency issues at exit, when called from Java
**ngs**: ngs-java and ngs-python auto-download (of native libraries) now works through HTTPS
**ngs**: read fragments of length 0 are now ignored
**ngs, ngs-tools, ref-variation**: added class ngs-vdb::VdbAlignment, featuring method IsFirst()
**ngs-engine**: improved diagnostic messages
**test**: updated tests to not fail outside of NCBI
**test-sra**: test-sra prints network information
**test-sra**: test-sra prints version of ncbi-vdb or ngs-sdk dynamic library
**vdb**: improved parameter checking on VDatabaseOpenTableRead()
**vdb**: new function: "VDBManagerDeleteCacheOlderThan()"
**vdb**: problem with buffer-overrun when compressing random data fixed
**vdb**: remote/aux nodes have been removed from configuration
**ngs-tools**: Fixed Makefiles to keep supporting "./configure; make" build of sra-search, alongside CMake-based build.
## NCBI VDB 2.7.0
## NGS SDK 1.2.5
**July 12, 2016**
**blast, kfg, ncbi-vdb, sra-tools, vfs**: restored possibility to disable local caching
**doc, ncbi-vdb**: created a Wiki page illustrating how to use the API to set up logging
**kdb, kfs, kns**: Added blob validation for data being fetched remotely
**htsjdk**: Several JVM crashes related to a number of open files were fixed. New property to disable auto-download was integrated into HTSJDK
**kfg**: When loading configuration files on Windows USERPROFILE environment variable is used before HOME
**kfg**: modified auxiliary remote access configuration to use load-balanced servers
**kns**: Fixed a bug when KHttpRequestPOST generated an incorrect Content-Length after retry
**ngs, search, sra-search**: sra-search was modified to support multiple threads.
**ngs-engine, ngs-tools, sra-tools, vfs**: The "auxiliary" nodes in configuration are now ignored
**ngs-engine**: Added support for blob-by-blob access to SEQUENCE table
**ngs-engine**: removed a potential memory leak in NGS_CursorMake()
**search**: now supports multi-threaded search
**vdb**: fixed a bug in VCursorFindNextRowIdDirect where it returned a wrong rowId
**vdb**: fixed a bug in the code used to iterate over blobs where rowmap expansion cache would reset iteration to initial row instead of respecting sequence
**ngs**: Fixed a bug in ngs::Alignment::getMateReferenceSpec() affecting pre-March 2015 runs
**ngs**: now supports parallel compilation with "make -j N"
**vfs**: environment variable VDB_PWFILE is no longer used
## NCBI VDB 2.6.3
## NGS SDK 1.2.4
**May 25, 2016**
**vdb**: Fixed a bound on memory cache that would never flush under certain access modes
## NCBI VDB 2.6.2
**April 20, 2016**
**kdb**: Fixed VTableDropColumn, so that it can drop static columns
**kfs, kns**: Fixed thread safety issues for both cache and http files
**kproc**: Fixed KQueue to wake waiters when sealed, fixed KSemaphore to wake waiters when canceled
**build**: MSVS 2013 toolset (12.0) is now supported across all repositories
**doc, ngs**: updated javadoc to include throws and other missing tags
**examples, ngs**: added DumpReferenceFASTA.py example
**htsjdk**: added code to HTS-JDK to avoid involving NGS unless we are sure that it is being requested
**ngs, ngs-engine**: Added filtering to NGS of secondary alignments that do not have primary alignments
**ngs, test, ngs-python**: fixed bug in String processing for Python 3.x
**ngs-engine**: ncbi-ngs engine was updated - fixed a bug that made NGS read iterator return 0 reads on WGS accessions.
**ngs**: Improved native library load in ngs-java, enhanced its error reporting and added a mode to disable auto-download of native libraries
**ngs**: Python code will check for the latest version of the libraries and update if newer ones are available
**ngs**: check for the latest version of the libraries and update if newer ones are available