# \#v4 **URL:** https://forum.vassalengine.org/tag/v4/4.md [Latest](https://forum.vassalengine.org/latest.md) · [Categories](https://forum.vassalengine.org/categories.md) · [Tags](https://forum.vassalengine.org/tags.md) --- ## [Some new design thoughts](https://forum.vassalengine.org/t/some-new-design-thoughts/76627)
**Author:** [@Rhett](https://forum.vassalengine.org/u/Rhett)\ **Replies:** 46\ **Last updated:** [September 27, 2026, 10:22pm UTC](https://forum.vassalengine.org/t/some-new-design-thoughts/76627 "2026-09-27T22:22:27Z")
Hi all. Been awhile. I have recently had some more thought about the design of a boardgame engine. The topic intrigues me. Some may remember my efforts with Lua, Qt and binding. https://forum.vassalengine.org/t/lua/104… --- ## [V4 Move Processor prototype](https://forum.vassalengine.org/t/v4-move-processor-prototype/90343)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 16\ **Last updated:** [September 8, 2026, 9:35am UTC](https://forum.vassalengine.org/t/v4-move-processor-prototype/90343 "2026-09-08T09:35:15Z")
I mentioned in the most recent development update that I’m working on a move processor prototype, an… --- ## [Some thoughts on stacks](https://forum.vassalengine.org/t/some-thoughts-on-stacks/90375)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 18\ **Last updated:** [September 4, 2026, 8:46pm UTC](https://forum.vassalengine.org/t/some-thoughts-on-stacks/90375 "2026-09-04T20:46:26Z")
Board games have flat objects that can sit atop other flat objects. (The height of things like woode… --- ## [Game Library Service / new module library demo](https://forum.vassalengine.org/t/game-library-service-new-module-library-demo/79767)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 48\ **Last updated:** [August 25, 2024, 3:39pm UTC](https://forum.vassalengine.org/t/game-library-service-new-module-library-demo/79767 "2024-08-25T15:39:33Z")
A demo version of the The Game Library Service along with a frontend is available now: https://vass… --- ## [Module library conversion problem tracker](https://forum.vassalengine.org/t/module-library-conversion-problem-tracker/79827)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 1\ **Last updated:** [June 20, 2024, 11:42pm UTC](https://forum.vassalengine.org/t/module-library-conversion-problem-tracker/79827 "2024-06-20T23:42:20Z")
This post is for tracking problems with the module library conversion, as noted here. Module:Merch… --- ## [V4 Components: Game Library Service](https://forum.vassalengine.org/t/v4-components-game-library-service/74733)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 36\ **Last updated:** [February 27, 2024, 1:41pm UTC](https://forum.vassalengine.org/t/v4-components-game-library-service/74733 "2024-02-27T13:41:43Z")
This is a follow-on to the V4 Architecture article. The Game Library Service provides access to a collection of game modules. Game modules have an assortment of metadata. Some metadata pertains to the game, such as ti… --- ## [Change X/Y coordinates of Zones/Regions based on Global Property](https://forum.vassalengine.org/t/change-x-y-coordinates-of-zones-regions-based-on-global-property/78659)
**Author:** [@BriMan83](https://forum.vassalengine.org/u/BriMan83)\ **Replies:** 0\ **Last updated:** [January 7, 2024, 3:00am UTC](https://forum.vassalengine.org/t/change-x-y-coordinates-of-zones-regions-based-on-global-property/78659 "2024-01-07T03:00:33Z")
I don’t know if this would even be something that could be implemented, but here it goes. I know in… --- ## [V4: UI information?](https://forum.vassalengine.org/t/v4-ui-information/77667)
**Author:** [@tinman](https://forum.vassalengine.org/u/tinman)\ **Replies:** 1\ **Last updated:** [August 13, 2023, 11:04am UTC](https://forum.vassalengine.org/t/v4-ui-information/77667 "2023-08-13T11:04:38Z")
There’s a lot of V4 discussion on here, but all of what I’ve seen has been strictly technical. Is anyone working on the UI design of the application itself? --- ## [Vassal v4.0 Framework: Phaser.io](https://forum.vassalengine.org/t/vassal-v4-0-framework-phaser-io/76427)
**Author:** [@HaraldFair](https://forum.vassalengine.org/u/HaraldFair)\ **Replies:** 0\ **Last updated:** [January 30, 2023, 4:19pm UTC](https://forum.vassalengine.org/t/vassal-v4-0-framework-phaser-io/76427 "2023-01-30T16:19:39Z")
I did a search for Phaser in the forum, but nothing came up. Is it too early for this discussion? I don’t have experience with it, but it looks pretty well aligned with some of the goals I’ve read for v4.0. The license i… --- ## [Map Grid and Multizone Definitions - V3 / V4](https://forum.vassalengine.org/t/map-grid-and-multizone-definitions-v3-v4/75042)
**Author:** [@Korval](https://forum.vassalengine.org/u/Korval)\ **Replies:** 2\ **Last updated:** [August 7, 2022, 10:00pm UTC](https://forum.vassalengine.org/t/map-grid-and-multizone-definitions-v3-v4/75042 "2022-08-07T22:00:45Z")
I’ve been experimenting with an old module that (IMHO) didn’t implement map zones very well. Example Soviet Union is defined as one LARGE zone (not enough granularity). What I would like to be able to do: Define a he… --- ## [Request Map Window Sub-Component that Issues a Hotkey and Can Display a Button in the Map's Toolbar](https://forum.vassalengine.org/t/request-map-window-sub-component-that-issues-a-hotkey-and-can-display-a-button-in-the-maps-toolbar/75154)
**Author:** [@pawnpusher](https://forum.vassalengine.org/u/pawnpusher)\ **Replies:** 2\ **Last updated:** [August 5, 2022, 12:19pm UTC](https://forum.vassalengine.org/t/request-map-window-sub-component-that-issues-a-hotkey-and-can-display-a-button-in-the-maps-toolbar/75154 "2022-08-05T12:19:39Z")
Maybe I am unaware of a feature, but to my knowledge the way to issue a global hotkey by pressing a button on a toolbar of a window other than the main window is as follows: Add a Global Key Command to the Map Window i… --- ## [Request Option to Show/Hide Window Without Toolbar Button](https://forum.vassalengine.org/t/request-option-to-show-hide-window-without-toolbar-button/75153)
**Author:** [@pawnpusher](https://forum.vassalengine.org/u/pawnpusher)\ **Replies:** 0\ **Last updated:** [August 4, 2022, 6:46pm UTC](https://forum.vassalengine.org/t/request-option-to-show-hide-window-without-toolbar-button/75153 "2022-08-04T18:46:55Z")
There are several threads, such as this one: Game Piece Inventory Window, describing a work around to completely hide toolbar buttons for showing windows that can be hidden (closed) without closing the game. In the disc… --- ## [V4 Sides & Seats - My thoughts](https://forum.vassalengine.org/t/v4-sides-seats-my-thoughts/74318)
**Author:** [@Brent\_Easton](https://forum.vassalengine.org/u/Brent_Easton)\ **Replies:** 6\ **Last updated:** [July 8, 2022, 4:09pm UTC](https://forum.vassalengine.org/t/v4-sides-seats-my-thoughts/74318 "2022-07-08T16:09:07Z")
My Thoughts: Sides and Seats. Problems with Sides in Vassal 3 They are fixed within the module and cannot easily be varied between scenarios. Can’t close empty seats to prevent unwanted players jumping in the game. … --- ## [V4 Motivation and and Goals](https://forum.vassalengine.org/t/v4-motivation-and-and-goals/74334)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 16\ **Last updated:** [June 24, 2022, 7:05pm UTC](https://forum.vassalengine.org/t/v4-motivation-and-and-goals/74334 "2022-06-24T19:05:19Z")
We’re now beginning to publish some design documents for V4, the next major version of Vassal. The t… --- ## [V4 Properties (Variables) Typed Vs. Untyped (& If Typed, Which Types)](https://forum.vassalengine.org/t/v4-properties-variables-typed-vs-untyped-if-typed-which-types/74781)
**Author:** [@pawnpusher](https://forum.vassalengine.org/u/pawnpusher)\ **Replies:** 3\ **Last updated:** [June 15, 2022, 11:55am UTC](https://forum.vassalengine.org/t/v4-properties-variables-typed-vs-untyped-if-typed-which-types/74781 "2022-06-15T11:55:40Z")
The reference manual for V3 doesn’t seem to have much discussion on property (variable) types (numeric, character, boolean, etc.), and as I understand, V3 tries, to some extent, to interpret property types without requir… --- ## [V4 Components: Game Management Service](https://forum.vassalengine.org/t/v4-components-game-management-service/74749)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 0\ **Last updated:** [June 5, 2022, 10:56pm UTC](https://forum.vassalengine.org/t/v4-components-game-management-service/74749 "2022-06-05T22:56:10Z")
This is a follow-on to the V4 Architecture article. The Game Management Service provides access to a collection of game instances, both ongoing and completed. Game instances have metadata, such as: Game module of wh… --- ## [V4 Components: Notification Service](https://forum.vassalengine.org/t/v4-components-notification-service/74682)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 6\ **Last updated:** [June 1, 2022, 8:18pm UTC](https://forum.vassalengine.org/t/v4-components-notification-service/74682 "2022-06-01T20:18:40Z")
This is a follow-on to the V4 Architecture article. The Notification Service provides access to messages. A message has a user as a sender (which includes the possibility of a system user). A message has one or more u… --- ## [V4 Architecture](https://forum.vassalengine.org/t/v4-architecture/74475)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 3\ **Last updated:** [April 27, 2022, 9:19pm UTC](https://forum.vassalengine.org/t/v4-architecture/74475 "2022-04-27T21:19:17Z")
This is a follow-on to the V4 Motivation and and Goals article. The V4 architecture will have a gro… --- ## [V4 Wishlist Thoughts](https://forum.vassalengine.org/t/v4-wishlist-thoughts/74175)
**Author:** [@Korval](https://forum.vassalengine.org/u/Korval)\ **Replies:** 20\ **Last updated:** [March 31, 2022, 1:32am UTC](https://forum.vassalengine.org/t/v4-wishlist-thoughts/74175 "2022-03-31T01:32:34Z")
First off - KUDOS to the developers… Most of the things I found lacking when I started using Vassal have been added, enabling a bunch of awesome usability enhancements (particularly the die roller enhancement, ability t… --- ## [Vassal 4 vs Java](https://forum.vassalengine.org/t/vassal-4-vs-java/11394)
**Author:** [@LoadEffectiveAddress](https://forum.vassalengine.org/u/LoadEffectiveAddress)\ **Replies:** 14\ **Last updated:** [March 17, 2022, 2:23pm UTC](https://forum.vassalengine.org/t/vassal-4-vs-java/11394 "2022-03-17T14:23:57Z")
For the longest time, there’s been a plan to work on a better-designed Vassal 4 and ditch Java. Years. But then Covid-19 came along and apparently spurred some new interest in Vassal and there are now some forward-look… --- ## [Help create a piece trait test module](https://forum.vassalengine.org/t/help-create-a-piece-trait-test-module/72791)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 0\ **Last updated:** [October 18, 2021, 6:12pm UTC](https://forum.vassalengine.org/t/help-create-a-piece-trait-test-module/72791 "2021-10-18T18:12:32Z")
I need a module to test against the module data dumper I’m working on. This test module needs to contain at least one use of each piece trait. It’s likely there isn’t a real module like this, and it’s not necessary that … --- ## [Survey of other boardgame software](https://forum.vassalengine.org/t/survey-of-other-boardgame-software/72519)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 29\ **Last updated:** [October 16, 2021, 9:26pm UTC](https://forum.vassalengine.org/t/survey-of-other-boardgame-software/72519 "2021-10-16T21:26:37Z")
In preparation for V4, I’m collecting information about other boardgame (and related) software. I’d … --- ## [Vassal 4 - Framework](https://forum.vassalengine.org/t/vassal-4-framework/10675)
**Author:** [@stew-rt](https://forum.vassalengine.org/u/stew-rt)\ **Replies:** 0\ **Last updated:** [June 3, 2020, 9:13am UTC](https://forum.vassalengine.org/t/vassal-4-framework/10675 "2020-06-03T09:13:56Z")
Hi All, As part of my contribution to the Vassal 4 flame war… I’ve seen suggestions on using QT as the desktop framework, but I’ve also seen people mention Unity (which, I feel would be a poor choice for an open source… --- ## [Lua](https://forum.vassalengine.org/t/lua/10461)
**Author:** [@Rhett](https://forum.vassalengine.org/u/Rhett)\ **Replies:** 38\ **Last updated:** [October 13, 2020, 3:13pm UTC](https://forum.vassalengine.org/t/lua/10461 "2020-10-13T15:13:44Z")
In this post I will give information about Lua. I will tell how to install it. I will give my personal opinions about Lua, what I consider its pros and cons as I understand it right now. I stress that I have never worke… --- ## [What will replace Beanshell in Vassal 4?](https://forum.vassalengine.org/t/what-will-replace-beanshell-in-vassal-4/10697)
**Author:** [@Cattlesquat](https://forum.vassalengine.org/u/Cattlesquat)\ **Replies:** 2\ **Last updated:** [June 6, 2020, 9:43pm UTC](https://forum.vassalengine.org/t/what-will-replace-beanshell-in-vassal-4/10697 "2020-06-06T21:43:50Z")
Curious what folks plan Vassal 4 to have as an analog to Beanshell expressions? I’m assuming it won’t be actual Beanshell “because Java”. But of course a lot of us use Beanshell fairly heavily including especially the … --- ## [Vassa 4: Name](https://forum.vassalengine.org/t/vassa-4-name/10660)
**Author:** [@Brent\_Easton](https://forum.vassalengine.org/u/Brent_Easton)\ **Replies:** 13\ **Last updated:** [June 3, 2020, 6:51pm UTC](https://forum.vassalengine.org/t/vassa-4-name/10660 "2020-06-03T18:51:53Z")
After a very pleasant and contemplative walk with my dog, I have come to the conclusion that shilinski is 100% correct and Vassal 4 should not be called Vassal 4. The reasons he put forward are quite valid: An expecti… --- ## [Vassal 4: Keys & Commands](https://forum.vassalengine.org/t/vassal-4-keys-commands/10507)
**Author:** [@Brent\_Easton](https://forum.vassalengine.org/u/Brent_Easton)\ **Replies:** 5\ **Last updated:** [May 20, 2020, 9:22pm UTC](https://forum.vassalengine.org/t/vassal-4-keys-commands/10507 "2020-05-20T21:22:55Z")
The whole structure of Key Commands in Vassal 3 is cumbersome, confusing and unnecessarily complex. Again, it had arisen organically over time as Vassal has developed. The structure for how Commands are passed around … --- ## [Sides in Vassal 4](https://forum.vassalengine.org/t/sides-in-vassal-4/10501)
**Author:** [@Brent\_Easton](https://forum.vassalengine.org/u/Brent_Easton)\ **Replies:** 13\ **Last updated:** [May 15, 2020, 11:01am UTC](https://forum.vassalengine.org/t/sides-in-vassal-4/10501 "2020-05-15T11:01:53Z")
Hi All, Here’s some food for thought and discussion. Problems with Sides in Vassal 3 They are fixed within the module and cannot (easily) be varied between scenarios. They can be ‘hidden’ (by logging in to them), but… --- ## [VASSAL 4 Design Blog](https://forum.vassalengine.org/t/vassal-4-design-blog/9063)
**Author:** [@bdgza](https://forum.vassalengine.org/u/bdgza)\ **Replies:** 17\ **Last updated:** [March 30, 2020, 1:24pm UTC](https://forum.vassalengine.org/t/vassal-4-design-blog/9063 "2020-03-30T13:24:53Z")
Through the Recent Changes list I stumbled on the VASSAL 4 Design Blog. It’s a very interesting read, but difficult to find. Is there a listing somewhere to keep track of (new) blog posts? What is the blog’s intended a… --- ## [Roadmap for VASSAL 4](https://forum.vassalengine.org/t/roadmap-for-vassal-4/3769)
**Author:** [@uckelman](https://forum.vassalengine.org/u/uckelman)\ **Replies:** 324\ **Last updated:** [January 19, 2017, 7:17am UTC](https://forum.vassalengine.org/t/roadmap-for-vassal-4/3769 "2017-01-19T07:17:51Z")
I’ve been thinking over the past few months about where we should be heading with the next major release of VASSAL (i.e., VASSAL 4, as opposed to minor releases like 3.2); I’ve reached the point now where I want to write… [Next page](https://forum.vassalengine.org/tag/v4/4.md?match_all_tags=true&page=1&tags%5B%5D=v4)