v5.81.1

5.81.1 (2026-07-28)

Bug Fixes

• cherry: address review - pin channelId on fast-fail, defer mismatch hook (6ca01de), closes #1714
• cherry: negotiate protocol version so vendored older SDKs connect (87afcea)
• tray: align receiver bounds across the three runtimes (7f7fab3)
• tray: bound and pin peer-declared frame counts (8585b25)
• tray: check every iOS transport write (b049286)
• tray: frame oversize messages instead of dropping them (b25cf24), closes #1696
• tray: never split a surrogate pair across chunk frames (c15be90)
• tray: reassemble chunk frames in the Go follower (371a28c)
• tray: reassemble chunk frames in the iOS follower (201981d)
• tray: report broadcast failures and degrade oversize agent events (0a5d95d)
• tray: slice Swift frames by unicode scalar (5435ce7)
• webapp: decide follower CDP capability in the prelude, not from the URL (5e7fce2), closes #1710
• webapp: restore follower Browser dock item + stop hosted-tab CDP loop (02c9c81), closes #1706