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Update 2D HDR linear color space warning #10891

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Update 2D HDR linear color space warning #10891

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5 changes: 5 additions & 0 deletions tutorials/3d/environment_and_post_processing.rst
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Expand Up @@ -705,6 +705,11 @@ There are 2 ways to use glow in 2D:
``canvas_item`` shaders, so it's recommend to use it when relevant either
way.

using linear color space also means that alpha blending will change. Sprites
with low opacity values generally become more visible, and font rendering will
look bolder due to the low-opacity pixels from the font antialiasing becoming
more visible. This also affects the editor's own rendering.

.. _doc_environment_and_post_processing_using_glow_to_blur_the_screen:

Using glow to blur the screen
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