Release 1

Release 1.26.0

(release date 2026-09-21)

Add ast_datarecord_240_disassemble for CAT240 data records (data items with decode implementation);
Add CAT240 video vector decode API ast_datarecord_240_get_vector with dense per-azimuth storage;
Make CAT240 video block items zero-copy views;
Fix CAT240 missing from the datarecord function table;
Fix I240/040 global start range and cell duration;
Fix I240/052 video block size and REP guard;
Fix video vector extent taken from I240/049 counters and report missing I240/049 as CRITICAL;
Fix video vector max_amplitude;
Fix CAT240 32-bit field assembly to use unsigned arithmetic;
Accept the full videocell limit in CAT240 cell decode;
Warn on non-standard RES value in I240/048.

Release 1.25.0

(release date 2026-09-05)

Add ast_datarecord_010_disassemble and ast_datarecord_010_t for CAT010 data records (data items with decode implementation);
Fix ast_datarecord_010_get_msgtype reading the wrong data item (I010/010 instead of I010/000).

Release 1.24.0

(release date 2026-08-26)

Add I034/120 (3D-Position of Data Source) to CAT034 data record;
Add I048/210 (Track Quality) to CAT048 data record;
Add I021/230 (Roll Angle) and I021/250 (Mode S MB Data) to CAT021 data records;
Fix I063/060 time source invalid (TSV) bit read out of bounds;
Fix extent count sign conversion in CAT008 I008/100;
Fix vertical manoeuvre display in CAT048 I048/170 detail;
Replace strncpy/strncpy_s with portable ast_strncpy.

Release 1.23.0

(release date 2026-08-18)

Add Raytheon ASR-10SS MKII UAP support;
Decode Raytheon ASR-10SS custom data items (I001/901, I001/902);
Decode ASR-10SS MKII station configuration status (I001/903, I001/904);
Fix record array overflow beyond AST_MAX_DATARECORDS in ast_datablock_decode;
Complete Doxygen comments for all category and infrastructure headers.

Release 1.22.0

(release date 2026-06-23)

Add ManagAir UAP support and CAT001/002 custom field (I001/997, I002/997);
Add generic antenna rotation period data item for CAT002/034 (I002/041, I034/041);
Enable I034/041 assembly;
Fix use-after-free in SAC/SIC callback functions causing corrupted HTML output;
Fix I002/041 and I034/041 function mappings;
Fix crash when generating HTML for I034/120;
Update Doxygen comments for CAT001/002/004, CAT034/048, CAT063/240, CAT008 and CAT062.

Release 1.21.0

(release date 2025-12-25)

Improves support to Raytheon ASR;
Migrated to windows LLVM CLang platform;
Add option AST_OPTION_EMPTY_FSPEC.

Release 1.20.0

(release date 2025-05-16)

Implement CAT021 version 2.6;
Implement CAT063 version 1.6.

Release 1.19.0

(release date 2024-11-26)

I001/130 supports mote than one extent octet;
I008/036 implements decoding function;
I008/036 implements decoding function;
I020/210 implements decoding function;
I020/500 improves decoding function.

Release 1.18.0

(release date 2024-07-17)

Implement BDS 0,5;
Implement BDS 0,8;
Implement BDS 0,9;
Fix bug in WGS-84 decoding with negative value (S/W).

Release 1.17.0

(release date 2024-05-30)

CAT021 implements disassamble function.

Release 1.16.0

(release date 2023-12-02)

CAT015 implements disassamble function;
CAT016 implements disassamble function;
CAT062 implements ast_get_selalt interface;
CAT062 implements ast_get_speed interface;
CAT062 implements ast_get_heading interface;
CAT062 improves decoding function;
Keyword AST_KEYWORD_RANGE removed;
Keyword AST_KEYWORD_AZIMUTH removed;
Keyword AST_KEYWORD_CARTESIANVEL removed;
Fix bug in WGS-84 coordinate conversion.

Release 1.15.0

(release date 2023-09-18)

Support library level options;
I010/091 implements decoding function;
I010/220 implements decoding & encoding function;
I010/245 implements decoding function;
I010/500 implements decoding function;
I015/300 implements decoding function;
I015/400 improves decoding function;
I016/400 implements decoding & encoding function;
I016/405 implements decoding function.

Release 1.14.0

(release date 2023-02-16)

I010/041 implements decoding function;
I010/550 implements decoding function;
I010/SPF implements decoding function.

Release 1.13.0

(release date 2022-11-10)

I023/015 implements decoding function;
I023/016 implements decoding function;
New ast_datarecord_get_range interface;
New ast_datarecord_get_azimuth interface;
New ast_datarecord_get_dopplervel interface.

Release 1.12.0

(release date 2021-11-25)

New ast_datarecord_get_selaltitude interface;
CAT021 implements ast_datarecord_get_selaltitude interface;
CAT048 implements ast_datarecord_get_selaltitude interface;
CAT021 imporves ast_datarecord_get_coordinate interface;
CAT021 implements ast_datarecord_get_velocity interface;
ast_datarecord_get_keyword can specify output formats for WGS-84 coordinate.

Release 1.11.0

(release date 2021-10-21)

New ast_datarecord_get_velocity interface;
New ast_datarecord_get_vrate interface;
Redefine ast_datarecord_get_flightlevel interface.

Release 1.10.0

(release date 2021-09-18)

I034/120 implement decoding function;
I048/210 implement decoding function;
I021/200 v0.26 fix name error;
Support platform arm64 or aarch64.

Release 1.9.0

(release date 2021-03-22)

Reimplement map service;
Support Qt flavor HTML;
Fix I021/200 get_summary function;
I021/A06 implement encoding function.

Release 1.8.0

(release date 2021-02-08)

Implement CAT019 decoding.

Release 1.7.0

(release date 2021-01-10)

I021 version 2.4 implement encode function.
I021 version 2.4 implement assemble function.

Release 1.6.0

(release date 2020-12-25)

Implement CAT021 version 2.4.

Release 1.5.0

(release date 2020-10-06)

Implement CAT065 decoding.

Release 1.4.0

(release date 2020-09-04)

Implement CAT004 decoding;
I020 implement disassamble function;
Fix bug in I062/380 Subfield 25 decoding;
Fix bug in I062/390 Subfield 12 decoding.

Release 1.3.0

(release date 2020-04-25)

I002 implement assemble function;
I034 implement assemble function;
I048 implement assemble function.

Release 1.2.0

(release date 2020-04-22)

I062 implement disassamble function;
I062/380 improve decode function;
I021/131 fix bug in decode function.

Release 1.1.2

(release date 2020-02-27)

Fix error in ast_datarecord_001_get_flightlevel.

Release 1.1.1

(release date 2019-09-14)

Support BCC 7.20 on Windows.

Release 1.1.0

(release date 2019-08-30)

Support UAP used by old Leonardo (former Selex or Alenia) radar;
I001/210 implement decode function;
Implement datarecord copy function;
Fix bug in FSPEC decoding;
Fix Google Map service.

Release 1.0.0

(release date 2019-05-24)

Add conversion facility;
Add assemble/disassemble facility;
Rename member "decoded" to "valid";
Implement CAT010 decoding.
Implement CAT034 to CAT002 converstion function;
Implement CAT048 to CAT001 converstion function;
I001/170 implement encode function;
I001/200 implement encode function;
I048/200 implement encode function;
I062/080 decoding is updated according to CAT062 v1.16.
Fix bug in I001/040 encoding;
Fix bug in I048/040 encoding;
Fix bug in I001/161 encoding;
Fix bug in I048/161 encoding;
Fix bug in IXXX/090 encoding;
Update copyright info.

Release 0

Release 0.33.0

(release date 2019-02-15)

I021/071 implement decode function;
I021/072 implement decode function;
I062/135 improve decode function;
I062/136 improve decode function;

Release 0.32.0

(release date 2018-12-20)

I001/020 implement encode function;
I001/040 implement encode function;
I001/042 implement encode function;
I001/141 implement encode function;
I001/161 implement encode function;
I020/161 implement encode function;
I021/161 implement encode function;
I021/SPF implement decode function;
I048/161 implement encode function;
I062/040 implement encode function;

Release 0.31.2

(release date 2018-06-26)

Fix bug in BDS5,0 "True Track Angle" decoding.

Release 0.31.1

(release date 2018-05-31)

Fix bug in WGS-84 coordinates encoding.
Fix bug in Mode-C encoding.

Release 0.31.0

(release date 2018-05-08)

I001/030 implement decode function;
I001/060 implement decode function;
I001/120 implement decode function;
I001/210 implement decode function;
I001/REF implement decode function;

Release 0.30.0

(release date 2018-04-13)

Support category 240.

Release 0.29.0

(release date 2018-01-15)

I001/090 implement encode function;
I002/090 implement encode function;
I048/020 implement encode function;
I048/040 implement encode function;
I048/090 implement encode function;
I048/220 implement encode function;
I048/240 implement encode function;
Fix I034/020 encode problem;

Release 0.28.0

(release date 2018-01-06)

I002/000 implement encode function;
I008/000 implement encode function;
I019/000 implement encode function;
I034/000 implement encode function;
I002/020 implement encode function;
I034/020 implement encode function;
New ast_datablock_encode function, support assembling multiple datarecords into one datablock.

Release 0.27.0

(release date 2017-12-23)

I021/150 implement decode function;
I021/152 implement decode function;

Release 0.26.0

(release date 2017-12-14)

I021/040 implement decode function;
libasterix add convert function.I021/074 implement decode function;
I021/076 implement decode function;
I021/295 improve decode function;
Data record implement get_speed function;
Fix bug in data record get_heading function;
Fix bug in Thales UAP.

Release 0.25.1

(release date 2017-11-19)

Update documents.

Release 0.25.0

(release date 2017-11-17)

libasterix add convert function.I062/110 implement decode function;
Maximum number of data records in each data block is increased to 64;
Fix bug of I020/400 decoding.

Release 0.24.1

(release date 2017-10-11)

Fix bug of match SSR code.

Release 0.24.0

(release date 2017-06-23)

I021/132 implement decode function;
Cat048 implement get_heading interface;
Support GCC 4.8.5 on RHEL7;
Embed version info in Windows dll file.

Release 0.23.0

(release date 2017-05-20)

I048/110 implement decode function;
Cat048 contain/match/get supports I048/110.

Release 0.22.0

(release date 2017-04-08)

Callback facility for map service integration.

Release 0.21.0

(release date 2017-01-09)

I021/160 implement encode function.

Release 0.20.0

(release date 2016-12-11)

Compatible with MSVC2015;
Fix bug in ast_datarecord_021_get_coordinate.

Release 0.19.0

(release date 2016-12-06)

New encode facility and interface;
I021/010 implement encode function;
I021/030 implement encode function;
I021/A03 implement encode function;
I021/080 implement encode function;
I021/130 implement encode function;
I021/145 implement encode function;
I021/170 implement encode function;
Merge I021/A01 with I021/130;
Fix bug in ast_contain_keyword;
Fix bug of mode c decode;

Release 0.18.0

(release date 2016-09-21)

Implement I034/070;
Implement I062/130;
Implement I062/500;
Implement I062/REF;

Release 0.17.0

(release date 2016-09-01)

New datablock modification function;
New regression test facility;
Fix bug in CAT021 v0.23 UAP;
Fix bug in ast_dataitem_time_of_day_encode.

Release 0.16.0

(release date 2016-06-25)

CAT001 implement get keyword interface;
Implement BDS3,0.

Release 0.15.0

(release date 2016-05-04)

Implement I034/090;
Improve IXXX/010;
Fix bug in I034/050.

Release 0.14.0

(release date 2016-04-04)

Initially support CAT021 v2.1;
Log facility;
New get keyword polarcoord;
Implement I021/008;
Implement I062/295.

Release 0.13.0

(release date 2016-02-29)

CAT020 implement get keyword interface;
CAT021 implement get keyword interface;
Implement I020/105;
Implement I020/110;
Implement I020/250;
Implement I020/400;
Implement I020/REF;
Implement I021/015;
Implement I021/016;
Implement I021/073;
Implement I021/110;
Implement I021/148;
Implement I021/150;
Implement I021/161;
Implement I021/165;
Implement I021/220;
Implement I021/295;
Implement I021/400;
Implement I048/250;
Fix bug in I020/020.

Release 0.12.0

(release date 2016-01-25)

Datablock smart decode, auto select proper UAP;
Implement I001/042.

Release 0.11.0

(release date 2015-12-23)

Datarecord get keyword interfaces;
Reimplementation of keyword contain/match/get functions based on get keyword interface;
CAT062 implement get keyword interface;
CAT048 implement get keyword interface;
CAT002 implement get keyword interface;
Support category 008;
Implement I001/080;
Implement I001/100;
Implement I001/131;
Implement I002/041;
Implement I002/SPF;
Implement I008/020;
Implement I008/034;
Implement I034/120;
Implement I034/SPF;
Implement I048/030;
Implement I048/080;
Implement I048/100;
Implement I048/260;
Implement I062/120;
Implement I062/290;
Implement I062/340;
Implement I062/510;
Implement I062/SPF;
Implement I062/REF;
Implement BDS2,0.

Release 0.10.0

(release date 2015-11-08)

Callback mechanism to get external info;
Callback function to get country code from ICAO 24-bit address;
Callback function to get country flag from country code;
Keyword interface has been implemented in CAT062;

Release 0.9.2

(release date 2015-09-22)

Implement I021/146;
Implement I048/SPF.

Release 0.9.1

(release date 2015-08-11)

CAT021 now match keyword Mode-C and SAC/SIC;

Release 0.9.0

(release date 2015-04-10)

Support CAT023 v1.2, tested with SSAD ADS-B data;
Implement I021/151;
Implement I021/155;
Implement I021/230;

Release 0.8.2

(release date 2015-02-05)

Implement I034/060;
Implement I048/042;
Fix printf z flag error under gcc 32-bit.

Release 0.8.1

(release date 2014-12-10)

Keyword interface has been implemented in CAT001 and CAT021;
Improved CAT001 support, tested with SCE SSR data.

Release 0.8.0

(release date 2014-10-05)

New keyword match/contain/get interface;
Keyword interface has been implemented in CAT048.

Release 0.7.3

(release date 2014-09-26)

HTML snippet for datarecord;

Release 0.7.2