Changelog 5.8.0 (2026-06-24) Features add v5.8.0 package updates (fda7f59) add v5.8.0 package updates (#94) (daf2ce6), closes OneSignal/api-client-libraries#402 OneSignal/api-client-libraries#401 OneSignal/api-client-libraries#400 5.7.0 (2026-06-18) Features add v5.7.0 package updates (95ebfd1) add v5.7.0 package updates (#90) (fb19ab6) 5.6.0 (2026-05-20) Features add v5.6.0 package updates (#75) (6880bc2) 5.5.0 (2026-05-08) Features add email_bcc and bcc_sent to Notification and Template models (#73) (9938373) 5.4.0 (2026-04-17) Features add v5.4.0 package updates (#67) (6725389) 5.3.0 (2026-03-24) Features add Huawei and email_reply_to_address parameters to Notification (#61) (58ed6cc)