v0.25.6

docs/TRANSPORT.md

@@ -204,8 +204,12 @@ requires `HTTP2-Settings`, and becomes HTTP/2 stream 1 after `101`. Optional dow
 remains a separate QUIC listener capability (see HTTP3.md).
 
 Pool keepalive settings configure idle connection reuse, idle timeout/limit, TCP
-keepalive and HTTP/2 active-connection pings. Health probes are separate no-reuse
-HTTP/1.1 or raw TCP operations; their concurrency cap is 16. Existing active exchanges
-are not killed by disabling reuse or draining a member. Config publication rebuilds
-client pools while preserving compatible observations and existing exchange leases.
-The full contract and bounds are in VHOSTS.md. Keepalived/VRRP is not involved.
+keepalive and HTTP/2 active-connection pings. They also bound each backend Hyper client
+generation by request count/age and cap the upstream HTTP/1 adaptive read buffer. Client
+generation recycling is local to the backend pool and does not publish a new vhost
+snapshot or purge cache. Health probes are separate no-reuse HTTP/1.1 or raw TCP
+operations; their concurrency cap is 16. Existing active exchanges are not intentionally
+killed by disabling reuse, recycling a generation or draining a member. Config
+publication still rebuilds client pools while preserving compatible observations and
+existing exchange leases. The full contract and bounds are in VHOSTS.md. Keepalived/VRRP
+is not involved.