diff --git a/README.md b/README.md
index 6a257c98..ae10d437 100644
--- a/README.md
+++ b/README.md
@@ -46,9 +46,10 @@ of HDF5 and HDF4. Previous releases of HDFView that were based on HDF5 1.8,
 
 | Release | HDF5 | HDF4 | New Features |
 | ------- | ---- | ---- | ------------ |
-| 3.3.0 | 1.14.0 | 4.2.16 | Supports HDF5 1.12 references, Single-Writer/Multiple-Readers (SWMR) reads, bug fixes |
+| 3.3.0 | 1.14.0 | 4.2.16 | HDF5 1.12 (new-style) references, Single-Writer/Multiple-Readers (SWMR) reads, bug fixes |
 | 3.3.1 | 1.14.2 | 4.2.16-2 | Fixes a critical HDF4 + HDFView bug |
-| 3.3.2 | 1.14.4 | 4.3.0 | Maintenance release |
+| 3.3.2 | 1.14.4 | 4.3.0 | Float16 support |
+| 3.3.3 | 1.16.0 | 4.4.0 | Complex number support |
 
 
 PREVIOUS RELEASES AND SOURCE CODE
diff --git a/docs/img/release-schedule.plantuml b/docs/img/release-schedule.plantuml
index 0de29601..a0059577 100644
--- a/docs/img/release-schedule.plantuml
+++ b/docs/img/release-schedule.plantuml
@@ -9,12 +9,14 @@ title HDFView Release Schedule
 projectscale monthly
 Project starts 2023-01-01
 
-[3.3] starts 2023-01-01 and lasts 104 weeks
+[3.3] starts 2023-01-01 and lasts 156 weeks
 [3.3.0] happens 2023-03-31
 [3.3.1] happens 2023-08-31
-[3.3.2] happens 2024-04-30
+[3.3.2] happens 2024-06-04
+[3.3.3] happens 2025-04-30
 [3.3.1] displays on same row as [3.3.0]
 [3.3.2] displays on same row as [3.3.0]
+[3.3.3] displays on same row as [3.3.0]
 [3.3] is colored in #C266FF
 
 @endgantt
diff --git a/docs/img/release-schedule.png b/docs/img/release-schedule.png
index f50405ae..405faed5 100644
Binary files a/docs/img/release-schedule.png and b/docs/img/release-schedule.png differ