Update README.md (#5732)

Version bumps, addition of espsoftwareserial to credits, minor text updates

README.md

@@ -3,7 +3,7 @@ Arduino core for ESP8266 WiFi chip
 
 # Quick links
 
-- [Latest release documentation](https://arduino-esp8266.readthedocs.io/en/2.5.0-beta2/)
+- [Latest release documentation](https://arduino-esp8266.readthedocs.io/en/2.5.0/)
 - [Current "git version" documentation](https://arduino-esp8266.readthedocs.io/en/latest/)
 - [Install git version](https://arduino-esp8266.readthedocs.io/en/latest/installing.html#using-git-version) ([sources](doc/installing.rst#using-git-version))
 
@@ -28,15 +28,15 @@ ESP8266 Arduino core comes with libraries to communicate over WiFi using TCP and
 
 Starting with 1.6.4, Arduino allows installation of third-party platform packages using Boards Manager. We have packages available for Windows, Mac OS, and Linux (32 and 64 bit).
 
-- Install the current upstream Arduino IDE at the 1.8 level or later. The current version is at the [Arduino website](http://www.arduino.cc/en/main/software).
+- Install the current upstream Arduino IDE at the 1.8.7 level or later. The current version is at the [Arduino website](http://www.arduino.cc/en/main/software).
 - Start Arduino and open Preferences window.
 - Enter ```http://arduino.esp8266.com/stable/package_esp8266com_index.json``` into *Additional Board Manager URLs* field. You can add multiple URLs, separating them with commas.
 - Open Boards Manager from Tools > Board menu and install *esp8266* platform (and don't forget to select your ESP8266 board from Tools > Board menu after installation).
 
 #### Latest release [![Latest release](https://img.shields.io/github/release/esp8266/Arduino.svg)](https://github.com/esp8266/Arduino/releases/latest/)
 Boards manager link: `http://arduino.esp8266.com/stable/package_esp8266com_index.json`
 
-Documentation: [https://arduino-esp8266.readthedocs.io/en/2.5.0-beta2/](https://arduino-esp8266.readthedocs.io/en/2.5.0-beta2/)
+Documentation: [https://arduino-esp8266.readthedocs.io/en/2.5.0/](https://arduino-esp8266.readthedocs.io/en/2.5.0/)
 
 ### Using git version (basic instructions)
 [![Linux build status](https://travis-ci.org/esp8266/Arduino.svg)](https://travis-ci.org/esp8266/Arduino)
@@ -93,21 +93,22 @@ Documentation for latest development version: https://arduino-esp8266.readthedoc
 
 ### Issues and support ###
 
-[ESP8266 Community Forum](http://www.esp8266.com/u/arduinoanswers) is a well established community for questions and answers about Arduino for ESP8266.
+[ESP8266 Community Forum](http://www.esp8266.com/u/arduinoanswers) is a well established community for questions and answers about Arduino for ESP8266. If you need help, have a "How do I..." type question, have a problem with a 3rd party lib not hosted in this repo, or just want to discuss how to approach a problem , please ask there.
 
-If you find this forum useful, please consider supporting it with a donation. <br />
+If you find the forum useful, please consider supporting it with a donation. <br />
 [![Donate](https://img.shields.io/badge/paypal-donate-yellow.svg)](https://www.paypal.com/webscr?cmd=_s-xclick&hosted_button_id=4M56YCWV6PX66)
 
-If you encounter an issue which you think is a bug in the ESP8266 Arduino Core or the associated libraries, you are welcome to submit it here on Github: https://github.com/esp8266/Arduino/issues.
+If you encounter an issue which you think is a bug in the ESP8266 Arduino Core or the associated libraries, or if you want to propose an enhancement, you are welcome to submit it here on Github: https://github.com/esp8266/Arduino/issues.
 
-Please provide as much context as possible:
+Please provide as much context as possible, as well as the information requested in the issue template:
 
 - ESP8266 Arduino core version which you are using (you can check it in Boards Manager)
 - your sketch code; please wrap it into a code block, see [Github markdown manual](https://help.github.com/articles/basic-writing-and-formatting-syntax/#quoting-code)
 - when encountering an issue which happens at run time, attach serial output. Wrap it into a code block, just like the code.
 - for issues which happen at compile time, enable verbose compiler output in the IDE preferences, and attach that output (also inside a code block)
 - ESP8266 development board model
-- IDE settings (board choich, flash size)
+- IDE settings (board choice, flash size)
+- etc
 
 ### Contributing
 
@@ -135,6 +136,8 @@ ESP8266 core files are licensed under LGPL.
 
 [umm_malloc](https://github.com/rhempel/umm_malloc) memory management library written by Ralph Hempel is used in this project. It is distributed under MIT license.
 
+[SoftwareSerial](https://github.com/plerup/espsoftwareserial) library and examples written by Peter Lerup. Distributed under LGPL 2.1.
+
 [axTLS](http://axtls.sourceforge.net/) library written by Cameron Rich, built from https://github.com/igrr/axtls-8266, is used in this project. It is distributed under [BSD license](https://github.com/igrr/axtls-8266/blob/master/LICENSE).
 
 [BearSSL](https://bearssl.org) library written by Thomas Pornin, built from https://github.com/earlephilhower/bearssl-esp8266, is used in this project.  It is distributed under the [MIT License](https://bearssl.org/#legal-details).