diff --git a/README.md b/README.md
index 693c49a3..0fdad825 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,12 @@ OpenSeadragon is truly a community project; we welcome your involvement!
 
 When contributing, please attempt to match the code style already in the codebase. Note that we use four spaces per indentation stop. For more thoughts on code style, see https://github.com/rwldrn/idiomatic.js/.
 
+When fixing bugs and adding features, when appropriate please also:
+
+* Update changelog.txt
+* Add/update related unit tests
+* Update related doc comments
+
 If you're new to the project, check out our [good first bug](https://github.com/openseadragon/openseadragon/issues?labels=good+first+bug&page=1&state=open) issues for some places to dip your toe in the water.
 
 ## Licenses
diff --git a/changelog.txt b/changelog.txt
index 871d7f84..6e9007a0 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -7,6 +7,10 @@ OPENSEADRAGON CHANGELOG
   Viewer.openDZI to use Viewer.open internally. (#53 & #54).
 * Full page bug fix for when viewer is child of document body (#43).
 * Overlays for DZI bug fix (#45). 
+* DziTileSource: avoid changing relative paths (#56).
+* Fix typo in preserveViewport handling (#77).
+* Fix updateMulti timer leak after multiple Viewer.open() calls (#76).
+* Minor documentation fixes.
 
 0.9.124: