v2.5.9

Bug Fixes

• core: ensure functionalContext is cloned during slot clones 604e081, closes #7106
• core: fix async component resolving in sibling mounted hook dd21eac, closes #7107
• compiler: fix v-for iterator parsing destructuring + parens without index aa82625
• keep-alive: should not destroy active instance when pruning cache 3932a45, closes #7105
• types: add missing ssr renderToString signature 14e9908
• types: add Promise signature for bundleRenderer.renderToString (#7098) 3554eb2
• types: bump ts version and fix typing bugs (#7135) a71e653, closes #7135
• types: improve and test bundleRenderer.renderToString Promise types fcc1229
• types: use object and string instead of Object and String (#7126) d2e1d49
• browser quirks: block unnecessary input event on textarea placeholder in IE 0f7c443, closes #7138