« Axon Grammar

ChangeLog

Build 4.0.4 (7 Dec 2025)

Xeto new globals design
Xeto new mixin design
New hx.xeto func specx for merging mixins
New hx.xeto funcs to reflect members and globals
New companion lib dict design
Use new rt tag for managed runtime recs
New Settings|Sys view to replace Host settings
Axonsh working again with standard lib management funcs
Rename LibNamespace -> Namespace
Rename SpecSlots -> SpecMap
Formalize dict set with null value to be remove #8749
Rename ProjSpecs to ProjCompanion
Fix HTTP API handling to set modBase/modRel before onService
Fix regression for trap operator on null #8742
Modbus connector supports multiple scaling operations

Build 4.0.4 (working)

Build 4.0.3 (21 Aug 2025)

User, Sys, Proj, Context moved into hx
Ext now backed by xeto lib
Ext now keyed by xeto dotted lib name
Ext settings now managed in {proj}/ns
Funcs now managed in {proj}/ns
Rename hx::HxLib -> Ext
Rename hx::HxLibWeb -> ExtWeb (and associated methods)
Rename hxFoo::FooLib -> FooExt (and associated methods)
Exts now keyed by their xeto lib name "task" -> "hx.task"
Haxall libs.get("task") => exts.get("hx.task")
HxUser -> User
Remove Haxall services axon and Fantom APIs
Haxall API now uses /api/{proj}/{op} pattern like SkySpark
Move axon::CoreLib -> AxonFuncs
Move hx::HxCoreFuncs -> hxm::HxFuncs
Move axon is() function from xeto -> hx
Axon func/funcs uses qname instead of def/name/lib now
Axon cannot combine dot with qnames such as "123.axon::toStr"
Conn connDupRef and connPointsVia needs to be ext name
Folio readById with trash will return null
Remove Context.filterPather (deprecated)
EnergyStar connector is now open source

Build 4.0.2 (11 Jul 2025)

Add AxonContext.ns
Add HxRuntime.ns
Remove AxonContext.xeto (nodoc)
Remove DefsNamespace.xeto (nodoc)
Move haystack::DependErr -> xeto::DependErr (nodoc)
Rename pod xetoEnv -> xetom
HxRuntime.libs -> libsOld (remove lib in favor of libsOld.get)
Axon rename xetoReload -> libReload
Axon remove libAdd, libRemove, libStatus funcs
Fully remove deprecated Bin file support
Temp removal of axonsh

Build 4.0.1 (7 Jul 2025)

Move haystack::Dict -> xeto::Dict
Move haystack::Marker -> xeto::Marker
Move haystack::Ref -> xeto::Ref
Move haystack::UnknownNameErr -> xeto::UnknownNameErr
Move haystack::UnknownLibErr -> xeto::UnknownLibErr
Move haystack::UnknownSpecErr -> xeto::UnknownSpecErr
Dict.dis simplified, add Row.disOf
Dict.get default parameter removed
Move LibRepo.cur -> XetoEnv.cur.repo
Rename haystack::Namespace -> DefNamespace
Rename haystack::Lib -> DefLib
Rename axon::AxonContext.ns -> defs
Rename hx::HxRuntime.ns -> defs
Rename haystack::HaystackTest.ns -> defs
Project Haystack defs 4.0.0
Xeto libs now versioned as 5.0.0

Build 3.1.12 (26 Jun 2025)

FolioFile API
hxIO support for folio files
Fantom build 1.0.82
Xeto CLI main moved from xetoTools to xeto
ActorContext base type for all context types
Fix his collection for imcompatible units
Task metrics renamed and added evalLastDur

Build 3.1.11 (9 Dec 2024)

Filter comparison of Numbers now requires same unit
Xeto fits/fitsExplain defaults to tags only, new graph option
Xeto validation for refs and target types
Xeto validation for choices
Xeto validation for value using spec meta
Axon remove support for Xeto spec definition within language
Axon remove support for Xeto slot spec references
Axon AST dict for calls renamed target to func
Axon remove dot call support when first arg is filter #8099
Axon support for interface based dispatch
Axon support for interface static methods
Axon support for interface constructors
Axon move xetoReload to hx lib
New Axon funcs: gridReplace, evalToFunc, isDuration, isHisGrid, quantile
Updated elec phase tags - PH #1109
New synthetic ontology - PH #1125
Redesign Java reflection code to use double checked locking
Add HTTP setting for maxThreads
Support for escaped tag names with leading two underbars
Tweak %RH conversion ratio to match %
Tighten up Folio tag value storage checks
Fix for using SHA384 and SHA512 for hmac
Fix to prevent keys from getting added with an empty alias
Support for adding EC Keys through the CLI
Fix readById, readByIds to not return records with trash tag
Mqtt: allow configuration of sessionExpiryInterval

Build 3.1.10 (23 Apr 2024)

Xeto new LibRepo and LibNamespae APIs replace XetoEnv
Dict.spec removed, must use LibNamespace.specOf
Dict.map added
Xeto Lib.top/tops renamed to spec/specs
Xeto global slots
Xeto ph-gen redesign
Xeto enum types
Xeto sys::TimeZone enum
Xeto sys::Unit enum
Axon func xetoEnvReload renamed to xetoReload
Axon new funcs: choiceOf
New Xeto lib lazily loading design
Number and unit quantity validation
Add option to stripUncommittable to keep mod tag
Change setColMeta, addColMeta to silently ignore when column not found

Build 3.1.9 (1 Dec 2023)

New ECMA class-based JavaScript design
Actor queue overflow limits
Xeto support for instance data
Redesign how Xeto specs are mapped to Haystack dicts
Allow tag names to start with underbar
Rename Xeto function library from data to xeto
Fix Trio to handle T and F for true/false
Fix to use TLS 1.3 when supported
New noSort flag to ioWriteTrio
New funcs: nowUtc, ioCreate, ioReadXeto, ioWriteXeto

Build 3.1.8 (9 Jun 2023)

Axon shell
Integrate data and xeto APIs
New data function library
New hx funcs: isWatched
Connector hook to learn without open
Haxall new platform APIs
Haxall rename of hxSerial to hxPlatformSerial
New strReplace point conversion
Support for batch hisRead/hisWrite HTTP ops
Flush out more HTTP API examples (in both Zinc and JSON)

Build 3.1.7 (17 Feb 2023)

Add point conversion: boolToNumber
Haystack 3.9.13
New funcs: firstOfMonth, lastOfMonth
More axon code examples in function docs
Add session setting for maxSessionsPerUser
Conn framework closed connector is onPing raises exception
Conn support for multiple connectors per point with connPointsVia
Date format support for quarter pattern
Ephemeral tasks now linger for debugging
Axon Usage more examples
MQTT several bug fixes
Ensure actor pools are always stopped on exit
Dict each iteration is now always non-nullable

Build 3.1.6 (15 Nov 2022)

Maintenance build
Add opts to toMatrix()

Build 3.1.5 (5 Oct 2022)

Support for Haxall developer program licensing
Cloning support for cloneSyncHis
New funcs: addCols
More Axon examples in core functions
Rework Number.toLocale pos;neg pattern behavior

Build 3.1.4 (4 May 2022)

New design for choice defs
New axon funcs: filter, parseSearch, refProjName, reFindAll, clamp, connPoints
Axon string support: each, eachWhile, any, all
Move toSites, toEquips, toPoints, equipToPoints to point ext
Move matchPointVal, toOccupied to point ext
Modify toPoints function to not implicitly call equipToPoints
Fix toOccupied to not match other equipment's points
Add toSpaces, toDevices functions
Fix boundary conditions to maintain conn watch state
New maxSessions setting
Grid sort, reorderCols methods/functions ignore unknown cols
Add user field to obsHisWrites observations for auditing

Build 3.1.3 (24-Feb-2022)

New hxConn connector framework
New MQTT connector
New Nest connector
New Ecobee connector
Open source Haystack connector
Open source SQL connector
Open source Modbus connector
Open source oBIX connector
Open source Sedona connector
Redesigned hxSerial library replaces serialMod
New connector documentation in docHaxall
Refactor dateSpan, span coercion in Axon
New hx stub command line tool
New hx crypto command line tool
New funcs: streamCol, isNull, isNonNull

Build 3.1.2 (17-Dec-2021)

New hxCrypto lib for arcbeam integration
New hxClone lib to provide clone server
New hxPy lib for python docker integration
New docker API
New mqtt API

Build 3.1.1 (8 Sep 2021)

Initial release