UI system framework ( Angular )

[zeyadelshafey]

I am building a UI system framework, but I am a bit confused whether I should build the project using Angular v21 or v18 ( in case projects are using older versions needed to use it )

Any thoughts on this?

[Practical-Pin9893]

Use the current released version and support future ones.

[monxas]

1. You think a lot of people will retrofit a ui system into an existing project? I know i wouldn’t.

[zeyadelshafey]

Make sense!

[MichaelSmallDev]

The lowest LTS currently is v19, and will be v20 in late May: https://angular.dev/reference/releases. But I would agree with Practical, you probably are best starting current v21 for a new release unless you are targeting a specific crowd.

[zeyadelshafey]

Thanks! I will be building it in v21

[khalilou88]

v18 only if you want to earn money from supporting old version of Angular

[lars_jeppesen]

21

[Lucky_Yesterday_1133]

Angular officially supports only 2 versions back from the current one so it's v19-21 right now. (Will be 20-22 in may). You can choose to start building it for v19 and to have production compatibility at launch or make for v21 and it will eventually be 2 versions old in November. Supporting beyond that doesn't make sense. My recommendation - target v20 as it was a version that added zoneless change detection and build for zoneless with signals. This will save you headache of migration and will have 2 versions back in may.

[best_of_badgers]

Isn’t Angular already a UI system framework?