2.58 24.01.2024

• Extend support for data format parsing
• DLIS: Expose copy identifier in DlisComponent
• Update links to standards in API documentation
• OSDU: Initial read support for WellLog records with JSON curve data

2.57 06.09.2023

• Improve robustness reading binary formats
• LAS: Improve parsing of date formats.

2.56 12.12.2022

• LAS: Fix issue with title section arrays
• LAS: Fix issue when parsing multiple data sections in LAS 3.0 files.
• LAS: Added support for validating data sections for inconsistencies and data corruption (Java only).
• LAS: Fix issue with stream in LasFileReader (.Net only)
• LAS: Fix issue with string representation floating point numbers (.Net only)
• LAS: Improve LAS file type classification.

2.55 27.09.2022

• LAS: Fix issue with parsing multi-dimensional curves (.Net only)
• LAS: Fix issue with readData in LasFileReader

2.54 16.09.2022

• LAS: Improve LasDataListener documentation
• LAS: Support wrapped mode for data records in LasDataListener
• LAS: Improve logging when curve sections are out of sync with data sections.

2.53 22.06.2022

• LAS: Added LasDataListener
• Improve date format detection
• DLIS: Improve identification of well name in DlisUtil

2.52 24.05.2022

• DLIS: Improve identification of start date and run number
• LAS: Improve LAS 3.0 section classification
• LAS: Fix issue when parsing dates with textual month representation
• LAS: Improve support for custom section names in LAS 3.0 files
• ASC: Fix issue with buffered writing
• LAS: Fix issue with writing integral values
• JSON: Fix some minor defects for tables
• JSON: Added support for merging tables
• JSON: Fix issue reading large numbers
• JSON: Fix issue when JsonWriter did not escape characters in keys

2.51 18.11.2021

• Support stream access for all types
• LAS: Improved 3.0 support
• LAS: Fix error in CSV parsing of comma separated quoted text strings
• LAS: Remove warning for ~Well section on LAS 3.0
• JSON: Fix some potential problems on stream reading
• Make it possible to classify files on content only

2.50 01.09.2021

• LAS: Let client select character encoding and add guessEncoding() utility

2.49 17.08.2021

• DLIS/LIS/LAS: Support 8-bit ASCII through ISO 8859-1 instead of UTF-8

2.48 04.06.2021

• JSON: Fix general read error introduced in version 2.47
• JSON: Fix error when reading from string
• JSON: Fix issue with index curve precision
• DLIS: Fix record padding error (pending)
• LAS: Make statistics capture optional to improve general read performance

2.47 23.07.2020

• JSON: Fix parsing error on binary data
• LIS: Fix parse error for representation code 49, 50, 56 and 70
• LIS: Fix frame spacing for depth recording mode

2.46 16.03.2020

• LAS: Fix parse error on text curves with quoted elements (.Net only)
• LAS: Improve parsing speed for the typical cases
• JSON: Support binary storage
• JSON: Improve API and fix some minor defects

2.45 06.11.2019

• LIS: Undo previous data type change and instead always use double for floating point values
• DLIS: Include more convenience methods for getting metadata (Java only)
• JSON: Properly escape string literals

2.44 20.09.2019

• LAS, SPWLA, WITSML: Use platform specific newline instead of '\n'
• LAS: Fix defect in LasUtil.getInterval() (defect in Java only)
• LIS: Use float instead of double for FSHORT, FSINGL, VSINGL and FFIXED

2.43 20.08.2019

• DLIS: Support reading of growing (live) DLIS files
• DLIS: Lock file during append write (Java only)
• DLIS/LIS: Make read process stopable by client through DataListener interface (.Net aligned with Java)
• Make a pure stream API to readers (.Net only)
• Provide default argument values where natural (.Net only)
• Improve documentation

2.42 13.06.2019

• LAS: Fix defect regarding section association when generating LAS 3.0
• LAS: Improve read performance and memory footprint
• DLIS: Ensure ULONG (representation code 17) is handled as unsigned
• DLIS: Fix defect in VSINGL (representation code 6) read (.Net only)

2.41 25.04.2019

• LAS: Make sure time values are always UTC (.Net only)

2.40 25.04.2019

• Full WITSML log support
• LAS: Improved the LasVersion API
• LAS 3.0: Auto-determine section type by name (.Net only)
• JSON: Improve documentation
• Tuned text formatting for floating point numbers

2.39 20.04.2019

• LAS: Handle time index according to LAS 3.0 specification
• LAS: Handle more specific LAS 2.0 time index cases

2.38 29.03.2019

• LAS: Map curves by data section instead of definition section
• LAS: Always return a single LasFile instance in LAS 3.0
• LAS: Tune default section names for LAS 3.0
• DLIS: Handle infinities = no-value
• JSON: Replace DlisSet and LasParameter with JsonTable
• JSON: Improve writer
• JSON: Simplify API and improve documentation

2.37 22.01.2019

• Ability to abort streaming read. Java only.

2.36 03.01.2019

• DLIS: equals() and hashCode() on DlisFrame, DlisSet and DlisCurve
• JSON: Tune API, implementation and naming

2.35 07.12.2018

• Improve formatting for column based text rendering
• DLIS: Catch exception in DTIME read. C# only.
• JSON: Add preliminary extension objects and improve API

2.34 06.11.2018

• DLIS: Fix logic in DlisUtil.getIndexType(). Java only.
• ASC: Suspend logging after 100 warnings
• JSON Well Log Format support

2.33 08.10.2018

• LIS: Possibility to stream read
• LIS: Added LisDataListener
• LIS: Make statistics optional

2.32 15.09.2018

• DLIS: Possibility to stream read/write
• DLIS: Added DlisDataListener
• DLIS: Make statistics optional

2.31 24.08.2018

• DLIS: Correct statistics capture
• LIS: Handle curves with same name but of different dimension
• LIS: Properly read curves with text data

2.30 30.05.2018

• DLIS: Add logic for handling multiple axes on multidimensional curves

2.29 10.04.2018

• DLIS: Omit representation code flag for IDENT value components and #values flag for size == 1 value components, to accomodate the special requirements for the FILE-HEADER set according to RP66 V1.0 Section 5.1.

2.28 20.02.2018

• LAS: Allow all numeric curve types in LAS 2.0 files
• LAS: Tune reading of LAS 3.0 files with empty values
• LIS: Improve file classifier by allowing file header only
• LIS: Improve accuracy in LisUtil.getSampleInterval()
• Include release notes, license, custom manifest and index in the jar file

2.27 02.02.2018

• Warn if curve lengths are out of sync after read
• DLIS: Proper reading of UNORM (2-byte unsigned) values

2.26 17.11.2017

• LAS: Support date indexed LAS 2.0 files
• LAS: Proper reading of LAS 3.0 section associations

2.25 26.10.2017

• LIS: Associate "lti" extension with LIS
• DLIS: Tune classification logic

2.24 06.10.2017

• DLIS: Implement DLIS representation code 6, VAX single precision floating point
• LIS: Fix minor regression in LIS writer
• XTF: Preliminary XTF support
• BIT: Handle empty slots inside BIT files

2.23 30.05.2017

• LAS: Rewritten reader
• DLIS: Improved read performance and memory management

2.22 29.10.2016

• BIT support

2.21 27.05.2016

• DLIS: Correctly pad arguments when writing DLIS header

2.20 25.05.2016

• LIS: Improved LIS reading of multi-dimensional data

2.19 02.05.2016

• DLIS: Improved no-value handling in reader

2.18 04.03.2016

• LAS: Properly handle LAS 3.0 containing sub files
• ASC: Fix reader that always throwed away the curve data

2.17 12.02.2016

• LIS: Fix concurrency defect in the LIS reader

2.16 26.01.2016

• New and improved ASC reader

2.15 06.01.2016

• DLIS: Improved reading performance

2.14 11.12.2015

• LAS/ASC: Properly handle quoted tokens in ASCII read

2.13 08.10.2015

• LAS: Improve no-value handling

2.12 20.08.2015

• ASC: Tune file reader
• DLIS: Tune read buffer size
• LIS: Improve LIS reader

2.11 11.08.2015

• Improve large file reading performance and allow for reading >2GB files

2.10 23.07.2015

• SPWLA: Tuned the core log reader
• ASC: Tuned reader. Still far from perfect!

2.09 17.06.2015

• LIS: Improved reader

2.08 09.06.2015

• DLIS: Pick interval from index curve if not available as meta-data

2.07 28.05.2015

• ASC: Introduce initial version of a new and improved reader

2.06 22.05.2015

• DLIS: Handle interval if there are frames with different index types

2.05 20.05.2015

• LIS: Improved reader robustness

2.04 20.03.2015

• SPWLA: Fixed issue on core curve in reader

2.03 13.03.2015

• SPWLA support

2.02 18.01.2015

• LIS: Support both known file format types on wellbore
• Fix defect on file save

2.01 11.12.2014

• DLIS: Support subfiles

2.00 13.03.2013

• Initial release