v4.0.5

• Build unified firmware that supports both 2.13 and 2.66 inch ePaper display by detecting it at boot
• Migrate from GxEPD library to GxEPD2 library for much faster display updates
• Integrate U8g2_for_Adafruit_GFX library to support UTF-8 fonts (non-ascii characters such as öüäß)
• Add de_DE (German) and de_CH (Swiss German) boot slogans. Thanks GABRI3L!
• Add da (Danish) boot slogans. Thanks Jake21m!
• Rebuild boot logo to emphasize the lightning bolt in "Lightning Piggy" logo
• Place currency symbols before the fiat amount when appropriate
• Use proper fiat currency symbols (€,£,$,¥)
• Fix update notifications (they were broken in v3.x)

v3.0.3

• Re-add lost "Wifi: " on display to indicate ongoing wifi connection at boot
• Fix "ASSOC_LEAVE" leftover on display when disconnecting from wifi before sleep

v3.0.1

• Add websocket for near instant payment reception while awake
• Improve stability and reduce backend load by avoiding frequent polls
• Reset awake timer after payment received in case another one comes in
• Improve timeout behavior in HTTPS fetcher
• Improve display code
• Remove unused libraries for smaller filesize and faster flashing
• Upgrade ESP32 Board Support version to 2.0.14
• Fix tilda character causing big blank space on display
• Fix partially blank timestamp on display
• Fix rare hang in chunked HTTPS fetcher
• Fix battery voltage glitch causing unnecessary sleeps
• Fix watchdog timeout configuration logic

Install the firmware using the webinstaller at https://lightningpiggy.github.io/
Build instructions and project info at https://www.lightningpiggy.com/