Added v1.3 to docs

Author: visrealm

README.md

@@ -92,9 +92,9 @@ Also (more convenient for North America)
 
 There are two main variants of the hardware. 
 
-### v1.x (v1.2, v1.1, v1.0 and v0.4)
+### v1.x (v1.3, v1.2, v1.1, v1.0 and v0.4)
 
-PICO9918 v1.2 is the single board version which doesn't require a piggy-backed Pi Pico. This is the version you can currently buy pre-assembled from Tindie and ArcadeShopper.
+PICO9918 v1.3 is the single board version which doesn't require a piggy-backed Pi Pico. This is the version you can currently buy pre-assembled from Tindie and ArcadeShopper.
 
 <p align="left"><a href="img/pico9918_v1_2_sm.jpg"><img src="img/pico9918_v1_2_sm.jpg" alt="PICO9918 v1.2" width="720px"></a></p>
 

pcb/README.md

@@ -10,7 +10,7 @@ This version is relatively cheap and easy to build and is powered by a piggyback
 
 See [PICO9918 v0.3](v0.3)
 
-### Fully integrated single board (v0.4 - v1.2+)
+### Fully integrated single board (v0.4 - v1.3+)
 
 From v0.4 the RP2040 has been integrated onto the PICO9918 PCB, making a much smaller small form factor. This revision has many small (0402) components and can be challenging (and more expensive) to build. They can be purchased too.
 
@@ -19,6 +19,13 @@ alt="PICO9918 v1.0" width="240px"></a></p>
 
 # Revision history
 
+## [v1.3 (2025-07-02)](v1.2)
+
+### Changelog
+- Added LM66200 dual perfect diode to allow connecting USB while installed.
+- Replaced 74HC08 with a 74ACT126 to make data and interrupt lines float on reset.
+- Data lines remain active slightly longer after /CSR goes high.
+
 ## [v1.2 (2024-11-26)](v1.2)
 
 <p align="left"><a href="../img/pico9918_v1_2_sm.jpg"><img src="../img/pico9918_v1_2_sm.jpg" alt="PICO9918 v1.2" width="720px"></a></p>