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= Sage 9.5 Release Tour =

current development cycle (2021)

<<TableOfContents>>


== Symbolics ==

 * `symbolic_expression` is now able to create vectors and matrices of symbolic expressions for more general inputs. [[https://trac.sagemath.org/ticket/16761|#16761]]

  For example, if the input is a list or tuple of lists/tuples/vectors:
   {{{
sage: M = symbolic_expression([[1, x, x^2], (x, x^2, x^3), vector([x^2, x^3, x^4])]); M
[ 1 x x^2]
[ x x^2 x^3]
[x^2 x^3 x^4]
sage: M.parent()
Full MatrixSpace of 3 by 3 dense matrices over Symbolic Ring
}}}


 * Symbolic expressions can no longer be called with positional arguments. [[https://trac.sagemath.org/ticket/14270|#14270]]

   This was deprecated since Sage 4.0, although a bug prevented the deprecation warning from being issued in Sage versions 8.4 to 9.3. [[https://trac.sagemath.org/ticket/32139|#32319]]

   Instead of `(x+1)(2)`, write either `(x+1)(x=2)`, or `(x+1).subs(x=2)`, or `((x+1).function(x))(2)`.


== Linear Algebra ==


== Manifolds ==


== Algebra ==


== Deprecated and removed functionality ==

 * The package `sage.media` is now deprecated. [[https://trac.sagemath.org/ticket/12673|#12673]]


== Package upgrades ==

 * https://repology.org/projects/?inrepo=sagemath_develop



== Availability of Sage 9.5 and installation help ==

The [[https://groups.google.com/g/sage-release/c/3Kc0y5g-VXs/m/ocUI0ysCAwAJ|first beta release]] in the 9.5 development series was tagged on 2021-08-31.

 * See [[https://groups.google.com/forum/#!forum/sage-devel|sage-devel]] for development discussions and [[https://groups.google.com/forum/#!forum/sage-release|sage-release]] for announcements of beta versions and release candidates.

== More details ==

 * [[https://trac.sagemath.org/query?status=needs_info&status=needs_review&status=needs_work&status=new&summary=~Meta&col=id&col=summary&col=status&col=type&col=priority&col=milestone&col=component&order=priority|Open Meta-Tickets]]

 * [[https://trac.sagemath.org/query?milestone=sage-9.5&groupdesc=1&group=status&max=1500&col=id&col=summary&col=author&col=reviewer&col=time&col=changetime&col=component&col=keywords&order=component|Trac tickets with milestone 9.5]]