From 90acdd806b0f4f2dfb3bdde2cb2170f0f6ae0411 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Beno=C3=AEt=20Blanchon?= Date: Mon, 15 Feb 2016 11:06:20 +0100 Subject: [PATCH] Updated Compatibility issues (markdown) --- Compatibility-issues.md | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/Compatibility-issues.md b/Compatibility-issues.md index f697631..3bfbbbc 100644 --- a/Compatibility-issues.md +++ b/Compatibility-issues.md @@ -75,4 +75,17 @@ Arduino IDE 1.6.6 bug [#4075](https://github.com/arduino/Arduino/issues/4075) ma error: 'namespaceArduinoJson' does not name a type ``` -You need to upgrade to 1.6.7. \ No newline at end of file +You need to upgrade to 1.6.7. + +## Arduino Library Manager doesn't list the latest versions of ArduinoJson + +This is a very common issue. +If ArduinoJson doesn't appear in Libray Manager, or if only old versions are listed, try to delete the local cache. +This will force the Libray Manager to download the library list from scratch. + +For example, on Windows, you need to delete: + +* `%LOCALAPPDATA%\Arduino15\library_index.json` +* `%LOCALAPPDATA%\Arduino15\library_index.json.tmp.gz` + +You don't even need to close Arduino, just re-open the library manager. \ No newline at end of file