31 votes
Accepted

What functions work in which version of Mathematica

...
corey979's user avatar
  • 23.9k
31 votes
Accepted

Is Internal`StringToDouble broken in 12.3?

StringToDouble was renamed StringToMReal as part of code cleanup and the addition of several friends: ...
Itai Seggev's user avatar
  • 14.1k
28 votes

Pop-up appeared and then disappeared during first documentation search in 11.2

Version 11.2 features a completely rewritten documentation search system. This version is incompatible with the search indices created by previous versions, nor can previous versions read the new ...
Itai Seggev's user avatar
  • 14.1k
26 votes
Accepted

How to get old message formatting in version 11?

We can get old-style messages using Internal`$MessageMenu = False Needless to say, this is unsupported and undocumented functionality.
Szabolcs's user avatar
  • 234k
25 votes

Unexpected behaviour from Table[]

This is just a long comment trying to shed light on where the problem may be coming from. Since version 10.2, the following is valid syntax: Table[x, 5] Before ...
Szabolcs's user avatar
  • 234k
24 votes

Mathematica on Windows 98

It appears that the last version of Mathematica to have official support for Windows 98 was Mathematica 5.2. We can see this by comparing archived versions of the system requirements pages for ...
Carl Lange's user avatar
  • 13.1k
22 votes
Accepted

Version inconsistency with optional arguments: what if the default value doesn't match the pattern?

Update: Daniel Lichtblau authoritatively comments: This change was intentional, and per request of the boss. I can find no mention of this in the documentation, though I am still looking. My ...
Mr.Wizard's user avatar
  • 271k
18 votes
Accepted

How can I restore the old ImageCompose behaviour?

The $over$ operator correctly implemented According to the Wikipedia, when composing $A$ $over$ $B$, the output alpha channel value $\alpha_O$ and the output color channel value $C_O$ are calculated ...
Alexey Popkov's user avatar
18 votes
Accepted

Broken ValueQ function in Mma12.2?

The behavior of ValueQ has changed in version 12.2. In fact, you can provide a Method -> "Legacy" option to match ...
MarcoB's user avatar
  • 66.6k
17 votes
Accepted

Mathematica 12.3.1 Apple M1

Make sure you download the correct Mac version from the portal. I see two in my portal; you want Mathematica_12.3.1_MAC-ARM_DLM.dmg (download manager) or Mathematica_12.3.1_MAC-ARM.dmg (full installer)...
kirkus's user avatar
  • 346
16 votes

How has Hash changed in 11.3?

I guess the reason for that has nothing to do with the "MD2" or "MD5" sum, which hasn't changed. The reason is that the input ...
halirutan's user avatar
  • 113k
16 votes
Accepted

Attempts at backwards compatibility

If you just want backwards compatibility, there is no need to create any symbols in the System context. It seems like a bad idea to do such things. A package should create symbols only within its ...
Szabolcs's user avatar
  • 234k
16 votes
Accepted

Is there a place where Wolfram Research announces breaking changes for new releases?

As posted in the comments, Incompatible Changes since Mathematica Version 1, or in the in-product documentation under tutorial/IncompatibleChanges, is the official ...
Jason B.'s user avatar
  • 67.9k
16 votes
Accepted

When did this global rules change happen in Mathematica? Is this change documented?

With Mathematica 5.2 I reproduce the behavior from the talk: But with version 6.0 we do not: So the change happened in 6.0.
Alexey Popkov's user avatar
15 votes
Accepted

How to use Streaming package in v11.1?

The patch Here is a way to get Streaming` working: on a fresh kernel execute the following: ...
Leonid Shifrin's user avatar
15 votes
Accepted

How has Hash changed in 11.3?

There is already discussion about String and ByteArray in the linked previous Q & A, so I'll comment a bit about general ...
ilian's user avatar
  • 25.5k
15 votes
Accepted

What happened to SequenceLimit?

SequenceLimit became NumericalMath`NSequenceLimit. In the past, that change broke some of the examples on ...
Chris Chiasson's user avatar
14 votes
Accepted

Mathematica 12.3.1 CapForm does not work with ContourStyle anymore?

Dashing was extended in 12.3. As such, you need to specify the cap type as part of the dashing spec. i.e., ...
ihojnicki's user avatar
  • 3,026
13 votes
Accepted

Install Mathematica 11.3 on 32bit Lubuntu 18.04 not work default to 64bit version

As of version 11.3.0, support for 32-bit Linux has been discontinued. Only 64-bit Linux is supported, and the system requirements page has now been updated to reflect that http://www.wolfram.com/...
ilian's user avatar
  • 25.5k
13 votes
Accepted

Using Terminal` (ASCII plots) in Wolfram 12

Here's an approach to fix the code behind Terminal` - Execute the following code to restore the functionality of the package: ...
Lukas Lang's user avatar
  • 33.6k
13 votes

How to detect underflow/overflow (post 11.3)?

Update I think your updated question shows exactly why the check for machine underflow was removed. In M11.1 we get: ...
Carl Woll's user avatar
  • 130k
12 votes

Combinatorica Functionality in Vers. 11.1.1

The problem is that you defined the Graph using M syntax and not Combinatorica syntax. For your example you should do: ...
Carl Woll's user avatar
  • 130k
12 votes
Accepted

myTiming in Shifrin's book is outdated?

This code was written sometime ago, and it seems to use StringTake[$Version, 1] to decide whether it is running in a version earlier than 6. That works well for ...
ilian's user avatar
  • 25.5k
12 votes
Accepted

Mathematica for Theoretical Physics by Gerd Baumann : Henonmap

HenonMap[{T_, W_}, α_] uses T in args but θ in body ...
I.M.'s user avatar
  • 2,911
11 votes
Accepted

Blur, GaussianFilter and ImageConvolve doesn't work on some images

Starting from Mathematica 10.0 such functions as Blur, GaussianFilter, ImageConvolve etc. ...
Alexey Popkov's user avatar
11 votes
Accepted

FindFaces in Mathematica 11.3

Unless I'm mistaken V11.2 syntax: FindFaces[image, {190, Infinity}]; in V11.3 can be achieved with ...
Kuba's user avatar
  • 137k
10 votes
Accepted

Why does Table behave differently in Mathematica compared to WolframCloud?

Recently this issue has been discovered for several times in this site, because a new syntax of Table Table[expr, n] is added ...
xzczd's user avatar
  • 65.4k
10 votes
Accepted

WLNet format incompatible between version 11.0 and 11.1

Certain nets cannot be upgraded automatically from 11.0 to 11.1, but it is an explicit aim of ours to preserve upgradability whenever it is reasonably possible. In this case, the actual convention ...
Taliesin Beynon's user avatar
10 votes

Using Terminal` (ASCII plots) in Wolfram 12

Note After looking through the referenced python code, it stands to reason that all of the tools are available from within Mathematica. I have yet to fully debug this sub-answer. You can take ...
bobthechemist's user avatar
10 votes
Accepted

use mathematica low version in mathematica high version

Yes, it's possible with Graphics`Legacy`Plot: Update in respond to comment about 3D: First, @Jens's webpage has some discussion of graphics changes in V5, 6, 7, ...
Michael E2's user avatar
  • 234k

Only top scored, non community-wiki answers of a minimum length are eligible