Flicker Screen

[KasaneRandall1]

• Operating system: Windows
• Python version: 3.12.3
• SDL version: 2.28.3
• PyGame version 2.5.2

Current behavior:
So i updated both Pygame and Python(3.10.5) and currently when i blit an img onto screen, the whole window start to flicker between img and black background. the interval between flickering is rndom on each run.

Expected behavior:
Before the update there was no flickering

additional Info
Bg img Size is 1024x1024
tested the code on laptop Linux Mint (Ubuntu), was way worse and faster flickering

[IGR2020]

Try pygame.display.update() instead of pygame.display.flip()
Also try disabling threaded display functions and call it manually in the main loop