[30.x] Backports #35083

1. 
   fanquake commented at 2:34 PM on April 15, 2026: member

   Backports:

   • #35080
2. test: Add missing self.options.timeout_factor scale in tool_bitcoin_chainstate.py

   Apply the timeout factor inside the add_block function.
   
   Also, force named args for the two expected strings.
   
   Also, add trailing comma for style.
   
   Github-Pull: #35080
   Rebased-From: fa02eb87df0b4a615a3e027711326f5506e5507a

   561d072e05
3. doc: update release notes for v30.x 40def7dfaf
4. DrahtBot added the label Backport on Apr 15, 2026
5. 
   DrahtBot commented at 2:35 PM on April 15, 2026: contributor

   <!--e57a25ab6845829454e8d69fc972939a-->

   The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

   <!--021abf342d371248e50ceaed478a90ca-->

   Reviews

   See the guideline for information on the review process. A summary of reviews will appear here.

   <!--5faf32d7da4f0f540f40219e4f7537a3-->

6. fanquake added this to the milestone 30.3 on Apr 15, 2026

Milestone
30.3