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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.4.1 - 2026-03-29

Fixed

#975: Struct layout should be sequential.

0.4.0 - 2026-03-28

Changed

All the Cesium-generated struct types are now public.

Fixed

Issues with "Size of field of type <name> is too large" when compiled with the wide architecture set.
Issues with resolving System.Private.CoreLib when referencing Cesium-produced assemblies from external code.

0.3.0 - 2026-03-09

Added

#944: Implement string comparison functions from POSIX. Thanks to @kant2002!
#949: Implement more cases for struct initialization. Thanks to @kant2002!
#950: Allow multiple typedefs for same type. Thanks to @kant2002!
#954: Add unsigned long long conversion. Thanks to @kant2002!
#957: Document --ast-dump option for diagnostic purposes. Thanks to @pkazakov-dev!
#962: Add support for g/G formats in printf/fprinf. Thanks to @kant2002!
#956: Add strtod/strtof functions. Thanks to @kant2002!
#948: Improve support for non-native TFMs in Cesium SDK. Thanks to @kant2002!

Fixed

#952: Fix saving indirection for uint64 types. Thanks to @kant2002!
#953: Fix using anonymous unions in the function variables. Thanks to @kant2002!
#959: The project templates now define the RollForward option. Thanks to @pkazakov-dev!

Changed

#965: New infrastructure for AST dumper. Thanks to @pkazakov-dev!

0.2.0 - 2026-02-14

Changed

Cesium now runs under .NET 10. Thanks to @pkazakov-dev!
Update the dependency library versions.

Added

#532: negative number support in preprocessor expressions. Thanks to @nt-devilboi!
#863: experimental open_memstream extension. Thanks to @kant2002!
#935: compound multidimensional array initialization. Thanks to @kant2002!
#865: strstr function. Thanks to @kant2002!
#867: anonymous global enum constant support. Thanks to @kant2002!
#931: anonymous local enum constant support. Thanks to @kant2002!
#868: floating point array initializer support. Thanks to @kant2002!
#870: IO functions
- fread,
- fwrite,
- fputc,
- vprintf,
- fflush. Thanks to @kant2002!
#355: static struct layout calculation. Thanks to @kant2002!
#878: global constant typedef declaration. Thanks to @kant2002!
#879: function signature validity check during the link step. Thanks to @kant2002!
#942: int64_t cast support. Thanks to @kant2002!
[#840: SDK: check for executable file on Unix]. Thanks to @evgTSV!

Fixed

#862: fix codegen when if is last statement in the function returning void. Thanks to @kant2002!
#875: fix fread contract for reading stdin (no crash if reading from a closed pipe). Thanks to @kant2002!
#876, #941: static identifiers' names are now scoped to translation unit. Thanks to @kant2002!
#930: correct sizeof('a'). Thanks to @kant2002!
SDK was incorrectly treating non-existent dotnet.exe runtime file as executable on Windows.

0.1.2 - 2025-10-01

Fixed

#849: SDK templates broken for 0.1.1.

0.1.1 - 2025-09-29

Fixed

#843: SDK templates broken for 0.1.0.

Changed

Expression parsing speedup. Thanks to @kant2002!

0.1.0 - 2025-09-28

This is the initial release of Cesium.

Added

New component: Cesium.Compiler, packaged as
- a .NET tool,
- a framework-dependent bundle for SDK use,
- a bunch of self-contained bundles for external use.
The compiler currently supports about 25% of the language features.
New component: Cesium.Sdk.
New component: Cesium.Templates.

Thanks to our benefactors (in the alphabetical order):

@7645re
@abrahamFerga
@AFernandezAtAriox
@BadRyuner
@BaLiKfromUA
@BoundedChenn31
@DavTen
@epeshk
@evgTSV
@Fantoom
@ForNeVeR
@FrediKats
@Griboedoff
@gsomix
@impworks
@kant2002
@kekyo
@KeterSCP
@kolosovpetro
@leha-bot
@maksimowiczm
@MarkCiliaVincenti
@Newlifer
@PapisKang
@reima
@rstm-sf
@seclerp
@te9c
@zawodskoj