v1.3.0

1.3.0 (2026-09-02)

Bug Fixes

• Add legacy runtime fallbacks for TextEncoder and globalThis (8005f87)
• Add no-var ESLint rule for test JS files, replace var with let (848b953)
• Add npm start script for local development (2cf222a)
• Address code review feedback (bbf6198)
• Address Copilot review feedback (4b3c845)
• Address Copilot review, add husky + lint-staged, project config (c14fc1c)
• Address remaining Copilot review comments (51a0c47)
• Correct char detail tooltip encoding for UCS-2 messages, update CI matrix (40938d1), closes #59
• Correct GSM extension character count in UCS-2 mode (#61) (004c2a5), closes #57
• deps: Downgrade chalk from v5 to v4 for CommonJS compatibility (8ec3e99)
• Drop Node 18 from CI matrix (lint-staged@16 requires >=20.17) (5c9b0dc)
• encodedChar: Triple accents (30cb849)
• Handle real Twilio API JSON format for RCS rich content (f52e867)
• Hide segment tape for international RCS messages (077b3fc)
• Make RCS billing note region-aware, drop Node 16 from CI, add charDetails tests (4336943)
• Polish RCS info note wording per review feedback (f046e46)
• Remove shell prompt prefix from README command example (43ea1ee)
• Remove trailing newline in segmenter.ts (prettier lint) (67c9a7c)
• Resolve all eslint errors in new source files (eb669a7)
• Resolve high-severity Dependabot alerts (serialize-javascript, flatted) (bf07b28)
• Resolve prettier and prefer-template lint errors in renderer (3bf951a)
• Show meaningful remaining capacity and segment bar for international RCS (2a9e845)
• Swap single angle quotation mark mappings (#58) (2bf29b9)
• Use actual byte count as capacity for international RCS segments (450767a)
• Validate RCS region input at runtime (cab25de)

Features

• Add 1,600-character API limit warning for RCS messages (41dd87f)
• Add 1,600-character API limit warning to SMS section (5657573)
• Add RCS message support with redesigned docs UI (eb01913)
• Add RCS rich content (twilio/card) classification and segmentation (ee65215)
• Add Twilio brand logo and favicon to docs site (9250b24)
• Make SMS and RCS sections collapsible with toggle indicator (12464de)
• Restore per-character detail view with UCS-2 highlighting (a884c5c)