• [API, FEATURE] Add es_delay_onclose option to delay on_close until all data is ACKed. Use new function lsquic_stream_has_unacked_data() to learn whether peer acknowledged all data written to stream.
• [API] Add optional on_reset() stream callback to get notifications when RESET or STOP_SENDING frames are received.
• [BUGFIX] On STOP_SENDING, make conn tickable is writeable, not readable.