I heard someone saying that there was going to be is new system when in agent select, but I’m not sure if it is true. Is Valorant getting rid of instalocking?

So hey, as the title says, I'm stuck at Iron 2-3. I've done everything like listen to surroundings, cross-hair placement, looking at the map, etc. But still I couldn't get out of this Iron Pit. So, if you have any tips and tricks let me kno...