G1 F12000 Exxx (retraction) freeze Marlin for 1-2 second · Issue

I played with different Cura's options and tried to enable retraction. Without success but with strange behaviors. This gcodes freeze Marlin for 1-2 seconds: G1 X78.345 Y123.734 E549.65927 G1 X79.020 Y124.063 E549.68549 G1 X115.591 Y95.3

Quality issue Marlin 2.0 and 1.1.9 // extrusion too short

Quality issue Marlin 2.0 and 1.1.9 // extrusion too short

Quality issue Marlin 2.0 and 1.1.9 // extrusion too short

Red Win True 1x 30mm 1/2 MOA Turret Zero Lock 6 Level Red

Marlin Bug: The Myth of Retraction Speed - UltiMaker Cura

BUG] Printer freezes on bigger prints. · Issue #17161

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FIME Group – Rex Zero 1 Product Announcement - Soldier Systems Daily

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Leupold SX-1 Ventana 2 Spotting Scope 20-60x 80mm Angled Body/with