UNRELEASED.md in opal-1.6.1 vs UNRELEASED.md in opal-1.7.0.rc1

@@ -5,5 +5,33 @@
 ### Removed
 ### Deprecated
 ### Performance
 ### Fixed
 -->
+
+### Added
+
+- Update benchmarking and CLI runners, added support for Deno and Firefox (#2490, #2492, #2494, #2495, #2497, #2491, #2496)
+- Ruby 3.2 support branch (#2500)
+  - `Set` now part of the corelib
+  - Anonymous rest keyword and block arguments can be passed to calls: `call(**, &)`
+  - `Refinement#refined_class` has been added
+  - `Module#refinements` has been added
+  - `Module#const_added` has been added
+  - `Proc#parameters` now accepts lambda keyword
+  - `Class#attached_object` has been added, inverse of `singleton_class`
+  - `Hash#shift` now returns `nil` instead of passing `nil` to the `default_proc`
+- Added `--watch` and `--output` options to the CLI for live compilation (#2485)
+
+### Performance
+
+- Replace all occurences of `'$'+name` with a cached helper, saving about 2% in performance (#2481)
+- Optimize argument passing and arity checks (#2499)
+- Targeted patches for Opal-Parser, saves up to 12% during compilation (#2482)
+
+### Internal
+
+- MSpec & Ruby Spec update (#2486)
+
+### Fixed
+
+- Remove throws from runtime (#2484)