2026-05-28 — Scriptlets Requirement Confirmed

• Scriptlets depend on Universal Hotfix (from WinterBreak JB)
• ;log command handler and scriptlet indexer require hotfix
• No JB = no scriptlets entry point
• Key scriptlets identified: Disable ADs, Start telnet, KOReader Installer

2026-05-28 — Jailbreak Feasibility Assessment

• PW11 on 5.19.2 is above all known public jailbreak ceilings
• WatchThis: <= 5.14.2, WinterBreak: < 5.18.1, AdBreak: 5.18.1-5.18.5
• No “Spring Break” exploit exists — MjF was recalling WinterBreak
• Sources: MobileRead Open Sesame thread (t=320564), AdBreak thread (t=370048), kindlemodding.org