1b1994897Sopenharmony_ci# 2024-07-10-isa-changelog 2b1994897Sopenharmony_ci 3b1994897Sopenharmony_ciThis document describes change log with the following modifications: 4b1994897Sopenharmony_ci 5b1994897Sopenharmony_ci* Version 6b1994897Sopenharmony_ci* Bytecode instructions 7b1994897Sopenharmony_ci 8b1994897Sopenharmony_ci## Version 9b1994897Sopenharmony_ciWe update version from 12.0.5.0 to 12.0.6.0 10b1994897Sopenharmony_ci 11b1994897Sopenharmony_ci## Bytecode instructions 12b1994897Sopenharmony_ciTo support [lazy import](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/quick-start/arkts-lazy-import.md), the following bytecode instructions are added for loading module variables lazily: 13b1994897Sopenharmony_ci 14b1994897Sopenharmony_ci- callruntime.ldlazymodulevar 15b1994897Sopenharmony_ci- callruntime.wideldlazymodulevar 16b1994897Sopenharmony_ci- callruntime.ldlazysendablemodulevar 17b1994897Sopenharmony_ci- callruntime.wideldlazysendablemodulevar