diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3fb2647..06a1633 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to PinchChat are documented here.
 
 Format based on [Keep a Changelog](https://keepachangelog.com/), with [Conventional Commits](https://www.conventionalcommits.org/).
 
+## [1.28.0] — 2026-02-13
+### Added
+- Multi-tab split view — open 2 sessions side by side with a resizable divider
+- Split view button in sidebar session actions (columns icon)
+- Secondary pane supports full chat: history, streaming, sending, aborting
+- Divider width persisted in localStorage
+
 ## [1.27.0] — 2026-02-13
 ### Added
 - Syntax highlighting in chat input textarea — real-time markdown coloring (code blocks, inline code, bold, italic, headings, links) using transparent overlay technique
diff --git a/package-lock.json b/package-lock.json
index 7f474c5..a1c53c9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "pinchchat",
-  "version": "1.27.0",
+  "version": "1.28.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "pinchchat",
-      "version": "1.27.0",
+      "version": "1.28.0",
       "license": "MIT",
       "dependencies": {
         "@radix-ui/react-collapsible": "^1.1.12",
diff --git a/package.json b/package.json
index 4622e98..d5a1637 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pinchchat",
-  "version": "1.27.0",
+  "version": "1.28.0",
   "description": "A sleek, dark-themed webchat UI for OpenClaw — monitor sessions, stream responses, and inspect tool calls in real-time.",
   "type": "module",
   "repository": {