LE9.0.0 stable version compile code error?

I did a git checkout 9.0.0. Is this the latest stable version? I tried to compile and only "PROJECT=RPi DEVICE=RPi2 ARCH=arm IMAGE_SUFFIX=RPi9.0.0 make image" that work but it gave a development build.

Then I tried these:

PROJECT=RPi2 ARCH=arm IMAGE_SUFFIX=RPi9.0.0 make image
ERROR: Project not found, use a valid project or create a new config
Valid projects:
- Amlogic
- Generic
- RPi
- Rockchip
- WeTek_Core
- WeTek_Play
Makefile:12: recipe for target 'image' failed
make: *** [image] Error 1

PROJECT=RPi ARCH=arm IMAGE_SUFFIX=RPi9.0.0 make image
ERROR: You need to specify a valid device for the RPi project
Valid devices for project: RPi
- RPi
- RPi2
- Slice
- Slice3
Makefile:12: recipe for target 'image' failed
make: *** [image] Error 1

Any help would be appreciated.

Is this the correct compile for both Development (master) and Stable version of LE9

PROJECT=RPi DEVICE=RPi2 ARCH=arm IMAGE_SUFFIX=RPi9.0.0 make image

I noticed there's no PROJECT=RPi2 in LE9.x

I know in LE8.x, I use this for stable version

PROJECT=RPi2 ARCH=arm IMAGE_SUFFIX=RPi8.x make image

Quote from CvH

Compile [LibreELEC.wiki]

this explains how you have to use it

Yes I already look in wiki.

Using code below, the output will show development. At first boot, the top left show something "community devel build followi by date and other number. (git checkout 9.0.0)

PROJECT=RPi DEVICE=RPi2 ARCH=arm make image

In LE8.x, if I do get "git checkout 8.2.5", the code to run will be ROJECT=RPi2 ARCH=arm make image since it's a final stable version.

The output in TV, will show 8.2.5 version instead of develp.

Hope I made sense. Thanks