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authorDr. Stephen Henson <steve@openssl.org>2012-04-05 13:16:37 +0000
committerDr. Stephen Henson <steve@openssl.org>2012-04-05 13:16:37 +0000
commit2131ce570a9b314083f339accc138827511d2cf3 (patch)
treeaa7e7377279e08ae0b60fb3949c75ec98c61b488 /FAQ
parent45cd45bbbcb974e2ed5d9014bbd188640479909f (diff)
downloadopenssl-new-2131ce570a9b314083f339accc138827511d2cf3.tar.gz
add FAQ about version numbers
Diffstat (limited to 'FAQ')
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1 files changed, 14 insertions, 0 deletions
diff --git a/FAQ b/FAQ
index b9243a6104..66e058ae0d 100644
--- a/FAQ
+++ b/FAQ
@@ -10,6 +10,7 @@ OpenSSL - Frequently Asked Questions
* Why aren't tools like 'autoconf' and 'libtool' used?
* What is an 'engine' version?
* How do I check the authenticity of the OpenSSL distribution?
+* How does the versioning scheme work?
[LEGAL] Legal questions
@@ -173,6 +174,19 @@ just do:
pgp TARBALL.asc
+* How does the versioning scheme work?
+
+After the release of OpenSSL 1.0.0 the versioning scheme changed. Letter
+releases (e.g. 1.0.1a) can only contain bug and security fixes and no
+new features. Minor releases change the last number (e.g. 1.0.2) and
+can contain new features that retain binary compatibility. Changes to
+the middle number are considered major releases and neither source nor
+binary compatibility is guaranteed.
+
+Therefore the answer to the common question "when will feature X be
+backported to OpenSSL 1.0.0/0.9.8?" is "never" but it could appear
+in the next minor release.
+
[LEGAL] =======================================================================
* Do I need patent licenses to use OpenSSL?