This matrix cross-references every tracked implementation against every tracked feature, so you can compare 18 QUIC implementations across 9 features at a glance. Use the selectors below to focus on a subset of either axis.
Legend: ✅ Supported · ❌ Not supported · ❓ No data yet.
Hover a cell for details, click it to jump to its source.
| Implementation | CCA | V2 | GREASE | DGRAM | H3 | MP | ACKFREQ | TLSLIB | ECH |
|---|---|---|---|---|---|---|---|---|---|
| LSQUIC | ℹ️ | ❓ | ❓ | ❓ | ❓ | ❌ | ✅ | ❓ | ❓ |
| quiche | ℹ️ | ❓ | ❓ | ❓ | ❓ | ✅ | ❓ | ❓ | ❓ |
| quic-go | ℹ️ | ✅ | ❓ | ✅ | ✅ | ❓ | ❓ | ❓ | ❓ |
| aioquic | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| MsQuic | ℹ️ | ✅ | ✅ | ✅ | ❓ | ❓ | ✅ | ℹ️ | ❓ |
| mvfst | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| Neqo | ℹ️ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ℹ️ | ✅ |
| ngtcp2 | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| NGINX | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| picoquic | ❓ | ❓ | ❓ | ❓ | ❓ | ✅ | ❓ | ❓ | ❓ |
| Quinn | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| s2n-quic | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| XQUIC | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| quicly | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| Google QUICHE | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| TQUIC | ℹ️ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ | ❓ |
| KWIK | ℹ️ | ✅ | ❓ | ❓ | ✅ | ❓ | ❓ | ❓ | ❓ |
| linuxquic | ℹ️ | ✅ | ✅ | ✅ | ❌ | ❓ | ❓ | ℹ️ | ❓ |