AlexandreS

Add expression to get object group size

2

## Description When creating a random object in a group, it would be easier to get the group size to create an object from its name with: `"Object" + toString(RandomInRange(1,...

[Stories](https://gdevelop-storybook.s3.amazonaws.com/change-teacher-resources-list/latest/index.html?path=/story/homepage-learnsection--education-subscriber)

- Improve performance display when painting using a PIXI.TilingSprite - Fix painting when tilemap is rotated - Allow atlas size to be something else then a tile size multiple and...

https://github.com/user-attachments/assets/547e93bb-33ba-49eb-90b9-82453693ed05

Fix color crashes in Preview

1

- Make color parsing from string more robust (issues when setting colors in Sprite, BBText, Particle emitter and effects with colors) - Allow use of hex strings and shorthand hex...

Add warning when editing the collision mask of a platformer object

11

Closes #3312 https://user-images.githubusercontent.com/32449369/145590989-eaa6fe57-2794-4779-a161-9ee9d3165410.mp4

Use buffer variable when starting/stopping particle emission

3

To be able to use Repeat X Seconds to start and stop emission.  Otherwise, you start and stop the emission on a single frame

Rename object group with f2

3

To have the same behavior between objects list and groups list. @danired we didn't think about this: users wouldn't understand that this feature doesn't work in the groups list.

Change current time part names

1

Fixes #4600 Waiting to know if different options should be renamed (See issue)