Bitcoin developers want to fix the 'replace this transaction with a higher fee' button. Here's why

Bitcoin developers are discussing the removal of 'Replace-by-Fee' (RBF) signaling from wallet software. Because the network now treats all transactions as replaceable by default, the explicit signaling has become redundant and a potential privacy concern.
Why it matters
This technical change highlights the ongoing evolution of Bitcoin's protocol to improve privacy and efficiency.
But what started as a helpful tool has become redundant and a small privacy issue, prompting some developers to discuss possible ways to do away with it.
Technical explanation of a proposed protocol change without bias.
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