update change log with note about fixed handling of `post.isFixedPitch`
@@ -4,6 +4,7 @@ A more detailed list of changes is available in the corresponding milestones for
## 0.6.13 (2019-??-??)
### Bug fixes
- Fix bug in handling of `most_common_width` in `glyph_metrics_stats` which affected checking of monospaced metadata. (PR #2391)
+ - Fix handling of `post.isFixedPitch` (accept any nonzero value). (PR #2392)
## 0.6.12 (2019-Mar-11)
### Bug fixes
