[LyX/master] Add missing FORMAT entries

[Juergen Spitzmueller]

commit a848e22cf237c9c94ddc4af0265ea81c86c306ea
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Wed Jul 29 10:55:06 2020 +0200

    Add missing FORMAT entries
---
 development/FORMAT |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/development/FORMAT b/development/FORMAT
index 0c748a5..438ef08 100644
--- a/development/FORMAT
+++ b/development/FORMAT
@@ -11,11 +11,21 @@ changes happened in particular if possible. A good example would be
  	* Format incremented to 598: DocBook can export to HTML and CALS tables, with the parameter
           \docbook_table_output (0: HTML, only choice previously; CALS: 1).
 
+2020-03-13 Jürgen Spitzmüller <spitz at lyx.org>
+ 	* Format incremented to 597: Support for the libertinus family of fonts (text and math).
+
+2020-06-28 Jürgen Spitzmüller <spitz at lyx.org>
+ 	* Format incremented to 596: use package parskip to separate paragraphs with vertical space.
+ 	  Additional \\paragraph_separation header values: halfline, fullline
+
+2020-06-26 Jürgen Spitzmüller <spitz at lyx.org>
+ 	* Format incremented to 595: Add support for \medspace and \thickspace (in text):
+ 	  InsetSpace \\medspace{}
+ 	  InsetSpace \\thickspace{}
 
 2020-05-02: Richard Kimberly Heck <rikiheck at lyx.org>
 	* Format incremented to 594: New counter inset: CommandInset counter.
 
-
 2020-03-13 Jürgen Spitzmüller <spitz at lyx.org>
  	* Format incremented to 593: Buffer param \maintain_unincluded_children is not longer a bool
           (true|false) but has three states: "no" (formerly "false"), "strict" (formerly "true") and