v1.8.14

What's Changed

• [1.x] perf: store scheduler timestamp in cache by @imorland in #4363
• [1.x] perf: eliminate redundant DB writes in auth middleware and cache notification counts by @imorland in #4365
• [1.x] fix(notifications): invalidate unread count cache on delete all by @imorland in #4391
• [1.x] chore(package-manager): remove Extiverse references by @imorland in #4395
• [1.x] chore: accept StyleCI formatting fixes and disable nullable_type_declarations fixer by @imorland in #4402
• [1.x] fix(tests): call app() before resolving cache.store in DeleteTest by @imorland in #4403
• [1.x] chore(deps): fix yarn audit vulnerabilities by @imorland in #4404
• [1.x] fix(theme): return Less_Tree_Keyword for boolean custom Less functions by @imorland in #4405
• [1.x] fix(core): add missing method_not_allowed translation for error view by @imorland in #4417
• [1.x] chore: prep 1.8.14 by @imorland in #4420

Full Changelog: v1.8.13...v1.8.14