Timeline is inherently friend-filtered, but for notifications and DMs there is a button in the top right:
You almost never need this though unless you are the target of a spam attack like my account and others at the moment.
nostr:nevent1qqs2kjzql7kxjjj7lz0twfaax20pllpujtkwu3cvfq3dkw2xe7acfmqpz4mhxue69uhk2er9dchxummnw3ezumrpdejqzrthwden5te0dehhxtnvdakqzyrhwden5te0dehhxarj9emkjmn9qy28wumn8ghj7un9d3shjtnyv9kh2uewd9hsj5xurx
Its here and noiice! Put Arch 😂 and installed 🌈 a bunch 😀 of window managers 💯 💯 that 🌈 i can experiment 🤔 around 🎉 with. 😀 👍