HydroCAD® Stormwater Modeling - Since 1986
Interim Release Software
What is an "Interim Release"?
As part of ongoing software development, interim versions of HydroCAD are sometimes made available for evaluation and comment. Unlike a typical "beta release", our "interim release" software is carefully tested and is believed to be free of bugs. However, it is still a work-in-progress, and has not received the same level of testing and review as a final public release.
Interim release software is typically distinguished by a version number that has two digits after the decimal point, like 9.11. A full public release will have no more than one digit, such as 8.0, 8.5, 9.1, etc. The version number is shown in the title bar of your HydroCAD software, and is printed on the page heading for each report.
Who gets the interim release software?
Interim release software is typically made available to customers on an annual Deluxe Support contract. Since these releases should only be used for a limited time (until the next public release) we limit the distribution to customers who have already made a commitment to using the latest HydroCAD release. Use by others would entail a commitment to continued updates that they may not wish to make.
Can I purchase an interim release?
No. Interim release software is provided only to customers who are already on a paid Deluxe Support plan at the time the update is released. If you purchase a Deluxe Support plan after a release is issued, you will have access to any subsequent releases, but not to the earlier release.
How is the interim release delivered?
We will send an email to eligible Deluxe Support customers when an interim release is available. The message is sent only once for a given release. The information is not posted or available anywhere else. Based on the email, recipients may download and install the software. Interim release software is not available on CD.
How do I use an interim release?
An interim release installs and runs just like a regular release. However, a message will appear each time you start the program to remind you that it is not a final release. To prevent constant reminders, you may select "do not show this message again."
Are there time limits on an interim release?
Interim releases are designed to operate for only a fixed period of time (typically 6-12 months after release). This time limit is intended to prevent the indefinite use of an interim release, which should be used only until the next interim release or the final public release is available.
Sixty days before the the interim release expires, you will get a reminder every time you start the program. This message can be suppressed only by installing a newer release, or by returning to your previous full release.
If you are on a Deluxe Support plan, and your interim release has expired, you may have overlooked an update that was already shipped to you, or a subsequent interim release that was sent by email. Customers not on Deluxe Support can purchase updates individually.
Are there other drawbacks to using an interim release?
Like all HydroCAD updates, each interim release is able to open project files created by any previous version of HydroCAD. This means that interim release users can generally open any file they receive.
However, project files created by an interim release generally cannot be read by any earlier version of the software. This is because the new .HCP project file will contain information that is unknown to the earlier software. As an interim release user, this will limit your ability to send project files to other HydroCAD users, since only a few of them will be using the same interim release.
Note: It is possible to send files to an earlier version, but only if you avoid (or remove) any of the items listed under "Calculation Enhancements" in your "Changes" file.
If you depend on the ability to routinely send project files to other organizations, an interim release is not recommended. But you should never have any problem opening files that you receive. For further details, read about file compatibility.
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