diff --git a/.github/workflows/downstream.yaml b/.github/workflows/downstream.yaml
index ad60ed7..fa90c7d 100644
--- a/.github/workflows/downstream.yaml
+++ b/.github/workflows/downstream.yaml
@@ -5,8 +5,8 @@ name: Downstream
 # downstream is an independent matrix entry — failures are localized.
 #
 # Each entry's `ref` may pin to a PR branch that absorbs upstream type-
-# system changes. When the corresponding downstream PR merges, flip the
-# `ref` back to `main` (or delete it to use the default).
+# system changes. When the corresponding downstream PR merges, drop the
+# `ref` line — the step defaults to `main` when `ref` is not set.
 #
 # Candidates to consider adding later (Posit-owned consumers that import
 # htmltools symbols but don't currently have custom .tagify()):
@@ -23,30 +23,26 @@ on:
 
 jobs:
   downstream:
-    name: ${{ matrix.repo }}@${{ matrix.ref }}
+    name: ${{ matrix.repo }}@${{ matrix.ref || 'main' }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         include:
           - repo: posit-dev/py-shiny
-            ref: schloerke/htmltools-105-tagified-types  # PR #2244
           - repo: posit-dev/shinychat
-            ref: schloerke/htmltools-105-tagified-types  # PR #226
           - repo: posit-dev/chatlas
-            ref: schloerke/htmltools-105-tagified-types  # PR #311
           - repo: posit-dev/brand-yml
-            ref: schloerke/htmltools-105-tagified-types  # PR #115
     defaults:
       run:
         shell: bash
 
     steps:
-      - name: Checkout ${{ matrix.repo }}@${{ matrix.ref }}
+      - name: Checkout ${{ matrix.repo }}@${{ matrix.ref || 'main' }}
         uses: actions/checkout@v6
         with:
           repository: ${{ matrix.repo }}
-          ref: ${{ matrix.ref }}
+          ref: ${{ matrix.ref || 'main' }}
           fetch-depth: 0 # required by some downstreams' versioning
 
       - name: Checkout dev branch of py-htmltools
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd0aab8..c0ddc4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,18 @@ All notable changes to htmltools for Python will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [UNRELEASED]
+
+### Breaking changes
+
+### New features
+
+### Bug fixes
+
+### Dependencies
+
+### Other changes
+
 ## [0.7.0] - 2026-05-21
 
 ### Breaking changes