There's a kind of person who does the work and never posts about it.
You've met them. They finish things. They don't need the room to clap. They're not hiding, exactly, but they're not performing either, and when the thing finally ships, everyone else is surprised at how far along it was.
Private people accomplish. Not because privacy is a virtue, but because freedom from approval is fuel. Every hour not spent narrating the work is an hour spent on it. Every decision not run past an audience is a decision made on the merits.
Most of us are conditioned the other way. Show the process. Build in public. Get feedback early and often. Some of that is real. A lot of it is treasure-hunting for validation, and the treasure is fool's gold, because the approval of people who haven't done the thing is worth exactly what it costs them. Nothing.
Here's the line I keep coming back to: pride before the fall, but it's not the depth of the fall that gets you. It's the timing. Pride at the finish is earned. Pride at the announcement, before the work is done, is a bet against yourself with the whole room watching.
There's a related trap. Carrying weight or chasing demons. They feel the same from inside, both heavy, both exhausting. But carrying weight moves something forward. Chasing demons is just running. At the end of the day you have to settle your demons to sleep, and the only way through is to put the weight down long enough to tell which one you've been holding.
And a note on pressure, because it's the excuse for both. No one works better under pressure. They just do great things or they fail, and the pressure takes credit either way.
Do the work. Keep some of it to yourself. Let the finished thing be the announcement.