feat: v0.7.2 — portmapper (UPnP+PCP+NAT-PMP), session-relay opt-in, URL Phase 1
Network/reachability improvements + a relay-privacy fix. Wire-compatible with v0.7.0/v0.7.1; no protocol changes. - Replace hand-rolled UPnP (igd-next) with the portmapper crate. All three protocols (UPnP-IGD / NAT-PMP / PCP) run in parallel, auto-renew internally. PCP adds IPv6 firewall pinholes and works on iOS without the multicast entitlement. Pulled in transitively via iroh already, no net dep growth. - Android: UPnP/PCP/NAT-PMP attempted on WiFi/Ethernet with a WifiManager.MulticastLock acquired for the lifetime of the mapping. Cellular skipped early (no UPnP/PCP gateway, avoid 3s discovery waste). - TCP port-mapping gate removed for mobile — phones with permissive NAT can now serve HTTP for direct browser fetches. - Anchor reachability watcher (bidirectional): clears is_anchor after >5min of no port mapping; restores it when the mapping comes back. Network roams self-heal without restart. Mobile never auto-anchors. - Session relay opt-in restored. relay.session_relay_enabled setting defaults OFF (anchors included — servers shouldn't silently burn bandwidth either). Gates both serving (can_accept_relay_pipe) and using (auto-fallback in node.rs). UI toggle in Settings. Relay-style signaling (RelayIntroduce / worm_lookup / N1-N3 shares) unaffected. - URL Phase 1: share links now contain only the post ID (itsgoin.net/p/<post>). Anchor handler already supported post-ID-only URLs (author was optional); just dropped the author hex from the generator. Older URLs with author hex continue to work. - Quick app close button in header (with confirm) — useful for stopping network activity between sessions on mobile. - JNI null-pointer guards on ndk_context handles in android_wifi.rs. MEMORY rule sharpened to distinguish session relay (byte pipe, opt-in) from relay-style signaling/discovery (always on). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Scott Reimers
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<h1 style="font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 0.25rem;">Download ItsGoin</h1>
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<p>Available for Android, Linux, and Windows. Free and open source.</p>
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<div class="note" style="margin-top: 1rem; border-left: 3px solid var(--accent); padding-left: 0.9rem;">
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<strong>Upgrading from v0.5.1 or newer?</strong> v0.6 is a hard network fork — older versions can no longer reach the network. Bring your account over in three steps:
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<ol style="margin: 0.5rem 0 0.25rem 1.25rem; padding: 0;">
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<li>On your current v0.5 install, go to <strong>Settings → Export</strong>, tick <em>“Posts + media + identity key”</em>, and save the .zip somewhere safe.</li>
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<li>Download v0.6 below (APK, AppImage, or Windows installer).</li>
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<li>On first launch, choose <strong>“Import an Identity”</strong> and point it at the .zip.</li>
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</ol>
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<p style="margin: 0.5rem 0 0 0; font-size: 0.8rem; color: var(--text-muted);">Your posts, media, follows, and identity key all come across. Encrypted posts stay decryptable under the same key.</p>
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<h2 style="margin-top: 2rem;">v0.7.2 — May 15, 2026</h2>
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<p style="color: var(--text-muted); font-size: 0.85rem;">Network & reachability improvements, plus a relay-privacy fix.</p>
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<div class="downloads">
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<a href="itsgoin-0.7.2.apk" class="download-btn btn-android">
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Android APK
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<span class="sub">v0.7.2</span>
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</a>
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<a href="itsgoin_0.7.2_amd64.AppImage" class="download-btn btn-linux">
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Linux AppImage
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<span class="sub">v0.7.2</span>
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</a>
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<a href="itsgoin-cli-0.7.2-linux-amd64" class="download-btn btn-linux">
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Linux CLI / Anchor
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<span class="sub">v0.7.2</span>
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</a>
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<a href="itsgoin-0.7.2-windows-x64-setup.exe" class="download-btn btn-windows">
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Windows Installer
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<span class="sub">v0.7.2</span>
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</a>
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</div>
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<div class="note" style="margin-top: 0.75rem; border-left: 3px solid var(--text-muted); padding-left: 0.9rem;">
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<strong>Upgrading from v0.5.0 or older?</strong> The v0.5 export format matured in v0.5.1, so a direct export from 0.5.0 won't import cleanly into v0.6. Do a two-hop upgrade:
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<ol style="margin: 0.5rem 0 0.25rem 1.25rem; padding: 0;">
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<li>Install <a href="itsgoin_0.5.3_amd64.AppImage">v0.5.3 Linux AppImage</a> / <a href="itsgoin-0.5.3.apk">Android APK</a> / <a href="itsgoin-0.5.3-windows-x64-setup.exe">Windows installer</a> and open it. It reads your existing data in place.</li>
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<li>In v0.5.3, go to <strong>Settings → Export</strong> and save the bundle.</li>
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<li>Install v0.6.0 below and import that bundle on first launch.</li>
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</ol>
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<p style="margin: 0.5rem 0 0 0; font-size: 0.8rem; color: var(--text-muted);">v0.5.3 is kept online only as an upgrade bridge — it no longer connects to the live network.</p>
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</div>
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<ul style="color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; margin-top: 1rem;">
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<li><strong>NAT traversal: UPnP + NAT-PMP + PCP.</strong> Replaced UPnP-only port mapping with the <code>portmapper</code> crate (also used by iroh internally). All three protocols run in parallel; the first router-response wins. PCP adds IPv6 firewall pinholes and works on iOS without a multicast entitlement. Auto-renewal runs in a background task — no more lease-expiry surprises.</li>
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<li><strong>Android NAT mapping on WiFi.</strong> Mobile devices on WiFi now attempt UPnP/PCP/NAT-PMP just like desktops, with the required <code>WifiManager.MulticastLock</code> acquired for the lifetime of the mapping. Cellular is gated off (no UPnP/PCP gateway on carrier nets, so we skip the discovery cost). Reachability for phones-on-home-WiFi should improve noticeably.</li>
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<li><strong>Mobile HTTP serving when reachable.</strong> Phones whose router cooperates with TCP port mapping can now serve <code>/p/<post></code> directly for browser fetches. No mode switch — this just works when the network allows it.</li>
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<li><strong>Anchor-mode self-heals across network changes.</strong> A new watcher observes the live port mapping. Mapping lost >5min → anchor mode clears (don't keep advertising an unreachable address). Mapping restored → anchor mode comes back on, no restart needed. Roaming between UPnP-capable WiFi networks no longer requires a reboot.</li>
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<li><strong>Shorter share URLs.</strong> Share links now contain only the post ID — <code>itsgoin.net/p/<post></code>. The anchor handles holder lookup itself, so URLs stay stable as the holder set changes. Older URLs with the author hex appended continue to work.</li>
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<li><strong>Session relay is opt-in, off by default.</strong> Fixed a regression where hole-punch failures could silently pipe a peer-to-peer session through an intermediary's bandwidth. The previous behavior burned random users' bandwidth without consent. A new Settings toggle (<em>Enable session relay</em>) opts in to both serving as a relay and using one. Anchors default-off too — server bandwidth shouldn't be silently consumed either. Hole-punch coordination (small signaling) is unaffected.</li>
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<li><strong>Quick app close from the header.</strong> Power icon next to the network indicator fully terminates the app (with confirm). Useful on mobile to stop network activity between active sessions.</li>
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</ul>
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<p style="color: var(--text-muted); font-size: 0.85rem;">v0.7.2 is wire-compatible with v0.7.0 and v0.7.1. No protocol changes; all network & UX improvements are local.</p>
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<h2 style="margin-top: 2rem;">v0.7.1 — May 15, 2026</h2>
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<p style="color: var(--text-muted); font-size: 0.85rem;">UI polish + bug-fix pass on top of v0.7.0's FoF gating. Default post visibility is now Extended Friends (FoF). New <em>Friend</em> button combines follow + vouch in one click. Network Identity renamed to Device Address (you almost never need to touch it). Settings clearly separates personas from device address with an export/import "Move to another device" flow. Plus three fixes: profile display name now updates everywhere when changed; redundancy panel reads from the correct author set so it no longer shows 0 for all posts; My Posts tab no longer horizontally overflows and breaks the sticky header/tabs.</p>
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