develop
Move dev/ docs to development/ (#10453)
Compile and render Synapse's docs into a browsable, mobile-friendly and searchable website (#10086)
Fix bug where a new writer advances their token too quickly (#16473)
Improve code formatting and fix a few typos in docs (#11221)
Fix poetry version typo in contributors' guide (#16695)
Add documentation on background updates. (#16420)
Fix federation in demo scripts. (#12783)
Create dependabot changelogs at release time (#15481)
Add documentation for experimental feature flags. (#10865)
Update URLs to matrix.org blog categories. (#16008)
Add information on how the Synapse team does reviews. (#13132)
Clarify that we mark as outliers because we don't have any state for them (#12345)